<?xml version="1.0" encoding="US-ASCII"?>
<!--XBRL Document Created with Wdesk from Workiva, formerly WebFilings-->
<!-- -->
<linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <roleRef roleURI="http://www.westlake.com/role/AccountsReceivableThirdParties" xlink:href="wlkp-20150331.xsd#AccountsReceivableThirdParties" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/AccountsReceivableThirdPartiesDetails" xlink:href="wlkp-20150331.xsd#AccountsReceivableThirdPartiesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/AccountsReceivableThirdPartiesTables" xlink:href="wlkp-20150331.xsd#AccountsReceivableThirdPartiesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/CombinedAndConsolidatedStatementsOfCashFlows" xlink:href="wlkp-20150331.xsd#CombinedAndConsolidatedStatementsOfCashFlows" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/CombinedAndConsolidatedStatementsOfChangesInEquity" xlink:href="wlkp-20150331.xsd#CombinedAndConsolidatedStatementsOfChangesInEquity" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/CombinedAndConsolidatedStatementsOfOperations" xlink:href="wlkp-20150331.xsd#CombinedAndConsolidatedStatementsOfOperations" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/CommitmentsAndContingencies" xlink:href="wlkp-20150331.xsd#CommitmentsAndContingencies" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/CommitmentsAndContingenciesDetails" xlink:href="wlkp-20150331.xsd#CommitmentsAndContingenciesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/ConsolidatedBalanceSheets" xlink:href="wlkp-20150331.xsd#ConsolidatedBalanceSheets" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:href="wlkp-20150331.xsd#ConsolidatedBalanceSheetsParenthetical" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/DerivativeInstruments" xlink:href="wlkp-20150331.xsd#DerivativeInstruments" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/DerivativeInstrumentsImpactOfDerivativeInstrumentsOnIncomeDetails" xlink:href="wlkp-20150331.xsd#DerivativeInstrumentsImpactOfDerivativeInstrumentsOnIncomeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/DerivativeInstrumentsTables" xlink:href="wlkp-20150331.xsd#DerivativeInstrumentsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/DerivativeInstrumentsTextualDetail" xlink:href="wlkp-20150331.xsd#DerivativeInstrumentsTextualDetail" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/DescriptionOfBusinessAndBasisOfPresentation" xlink:href="wlkp-20150331.xsd#DescriptionOfBusinessAndBasisOfPresentation" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/DescriptionOfBusinessAndBasisOfPresentationDetails" xlink:href="wlkp-20150331.xsd#DescriptionOfBusinessAndBasisOfPresentationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/DescriptionOfBusinessAndBasisOfPresentationPolicies" xlink:href="wlkp-20150331.xsd#DescriptionOfBusinessAndBasisOfPresentationPolicies" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/DocumentAndEntityInformation" xlink:href="wlkp-20150331.xsd#DocumentAndEntityInformation" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/FairValueMeasurements" xlink:href="wlkp-20150331.xsd#FairValueMeasurements" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/FairValueMeasurementsSummaryOfCarryingAndFairValuesOfLongTermDebtDetails" xlink:href="wlkp-20150331.xsd#FairValueMeasurementsSummaryOfCarryingAndFairValuesOfLongTermDebtDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/FairValueMeasurementsTables" xlink:href="wlkp-20150331.xsd#FairValueMeasurementsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/FinancialInstrumentsDetails" xlink:href="wlkp-20150331.xsd#FinancialInstrumentsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/FinancialInstrumentsNotes" xlink:href="wlkp-20150331.xsd#FinancialInstrumentsNotes" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/IncomeTaxes" xlink:href="wlkp-20150331.xsd#IncomeTaxes" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/IncomeTaxesDetail" xlink:href="wlkp-20150331.xsd#IncomeTaxesDetail" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/Inventories" xlink:href="wlkp-20150331.xsd#Inventories" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/InventoriesDetails" xlink:href="wlkp-20150331.xsd#InventoriesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/InventoriesTables" xlink:href="wlkp-20150331.xsd#InventoriesTables" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/LongTermDebtPayableToWestlake" xlink:href="wlkp-20150331.xsd#LongTermDebtPayableToWestlake" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/LongTermDebtPayableToWestlakeDetails" xlink:href="wlkp-20150331.xsd#LongTermDebtPayableToWestlakeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/LongTermDebtPayableToWestlakeTables" xlink:href="wlkp-20150331.xsd#LongTermDebtPayableToWestlakeTables" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/MajorCustomerAndConcentrationRisk" xlink:href="wlkp-20150331.xsd#MajorCustomerAndConcentrationRisk" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/MajorCustomerAndConcentrationRiskDetails" xlink:href="wlkp-20150331.xsd#MajorCustomerAndConcentrationRiskDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/NetIncomePerLimitedPartnerUnit" xlink:href="wlkp-20150331.xsd#NetIncomePerLimitedPartnerUnit" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/NetIncomePerLimitedPartnerUnitBasicAndDilutedIncomePerLimitedPartnerUnitDetails" xlink:href="wlkp-20150331.xsd#NetIncomePerLimitedPartnerUnitBasicAndDilutedIncomePerLimitedPartnerUnitDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/NetIncomePerLimitedPartnerUnitDetails" xlink:href="wlkp-20150331.xsd#NetIncomePerLimitedPartnerUnitDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/NetIncomePerLimitedPartnerUnitIncomeInExcessOfDistributionDetails" xlink:href="wlkp-20150331.xsd#NetIncomePerLimitedPartnerUnitIncomeInExcessOfDistributionDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/NetIncomePerLimitedPartnerUnitTables" xlink:href="wlkp-20150331.xsd#NetIncomePerLimitedPartnerUnitTables" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/OtherAssets" xlink:href="wlkp-20150331.xsd#OtherAssets" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/OtherAssetsDetail" xlink:href="wlkp-20150331.xsd#OtherAssetsDetail" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/PropertyPlantAndEquipment" xlink:href="wlkp-20150331.xsd#PropertyPlantAndEquipment" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/PropertyPlantAndEquipmentDetail" xlink:href="wlkp-20150331.xsd#PropertyPlantAndEquipmentDetail" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/RelatedPartyTransactions" xlink:href="wlkp-20150331.xsd#RelatedPartyTransactions" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/RelatedPartyTransactionsAccountsReceivableFromAndAccountsPayableToRelatedPartiesDetails" xlink:href="wlkp-20150331.xsd#RelatedPartyTransactionsAccountsReceivableFromAndAccountsPayableToRelatedPartiesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/RelatedPartyTransactionsCostOfSalesFromRelatedPartiesDetails" xlink:href="wlkp-20150331.xsd#RelatedPartyTransactionsCostOfSalesFromRelatedPartiesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/RelatedPartyTransactionsDebtPayableToRelatedPartiesDetails" xlink:href="wlkp-20150331.xsd#RelatedPartyTransactionsDebtPayableToRelatedPartiesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/RelatedPartyTransactionsGeneralDetails" xlink:href="wlkp-20150331.xsd#RelatedPartyTransactionsGeneralDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/RelatedPartyTransactionsGoodsAndServicesFromRelatedPartiesThatHaveBeenCapitalizedDetails" xlink:href="wlkp-20150331.xsd#RelatedPartyTransactionsGoodsAndServicesFromRelatedPartiesThatHaveBeenCapitalizedDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/RelatedPartyTransactionsSalesToRelatedPartiesDetails" xlink:href="wlkp-20150331.xsd#RelatedPartyTransactionsSalesToRelatedPartiesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/RelatedPartyTransactionsServicesFromRelatedPartiesIncludedInSgaExpensesDetails" xlink:href="wlkp-20150331.xsd#RelatedPartyTransactionsServicesFromRelatedPartiesIncludedInSgaExpensesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/RelatedPartyTransactionsTables" xlink:href="wlkp-20150331.xsd#RelatedPartyTransactionsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/SubsequentEvents" xlink:href="wlkp-20150331.xsd#SubsequentEvents" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/SubsequentEventsDetails" xlink:href="wlkp-20150331.xsd#SubsequentEventsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/SupplementalInformation" xlink:href="wlkp-20150331.xsd#SupplementalInformation" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/SupplementalInformationDetails" xlink:href="wlkp-20150331.xsd#SupplementalInformationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/UnitBasedCompensation" xlink:href="wlkp-20150331.xsd#UnitBasedCompensation" xlink:type="simple" />
  <roleRef roleURI="http://www.westlake.com/role/UnitBasedCompensationDetails" xlink:href="wlkp-20150331.xsd#UnitBasedCompensationDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.xbrl.org/2009/role/negatedLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel" xlink:type="simple" />
  <roleRef roleURI="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel" xlink:type="simple" />
  <roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodEndLabel" xlink:type="simple" />
  <roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel" xlink:type="simple" />
  <roleRef roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel" xlink:type="simple" />
  <roleRef roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel" xlink:type="simple" />
  <roleRef roleURI="http://www.xbrl.org/2009/role/netLabel" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel" xlink:type="simple" />
  <presentationLink xlink:role="http://www.westlake.com/role/AccountsReceivableThirdParties" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccountsReceivableNetAbstract" xlink:label="loc_us-gaap_AccountsReceivableNetAbstract_AE85F3EFA9735C4842F22625AA2E19CC" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock" xlink:label="loc_us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock_E27D3C8B11326B83F9B92625AA2FEE20" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsReceivableNetAbstract_AE85F3EFA9735C4842F22625AA2E19CC" xlink:to="loc_us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock_E27D3C8B11326B83F9B92625AA2FEE20" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/AccountsReceivableThirdPartiesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccountsReceivableNetAbstract" xlink:label="loc_us-gaap_AccountsReceivableNetAbstract_9AE8CBD289C75F8AA82B2625AA2B36B4" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_96A8BB3ADD8AC7F870B12625AA2B9AA8" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsReceivableNetAbstract_9AE8CBD289C75F8AA82B2625AA2B36B4" xlink:to="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_96A8BB3ADD8AC7F870B12625AA2B9AA8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_B6A04F02BD1944073D822625AA2B46C2" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_96A8BB3ADD8AC7F870B12625AA2B9AA8" xlink:to="loc_us-gaap_StatementScenarioAxis_B6A04F02BD1944073D822625AA2B46C2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_B5395672850F23CADFEF2625AA2BD6EB" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementScenarioAxis_B6A04F02BD1944073D822625AA2B46C2" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_B5395672850F23CADFEF2625AA2BD6EB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PredecessorMember" xlink:label="loc_us-gaap_PredecessorMember_046A6128A2D0997315312625AA2B5FFE" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_B5395672850F23CADFEF2625AA2BD6EB" xlink:to="loc_us-gaap_PredecessorMember_046A6128A2D0997315312625AA2B5FFE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_D3BADAB9BA2A4D63AE582625AA2BB40B" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_96A8BB3ADD8AC7F870B12625AA2B9AA8" xlink:to="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_D3BADAB9BA2A4D63AE582625AA2BB40B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccountsReceivableGrossCurrent" xlink:label="loc_us-gaap_AccountsReceivableGrossCurrent_63179B4A9CA7404D176C2625AA2BF00B" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_D3BADAB9BA2A4D63AE582625AA2BB40B" xlink:to="loc_us-gaap_AccountsReceivableGrossCurrent_63179B4A9CA7404D176C2625AA2BF00B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_B3CB8118FF1E3AF92BB52625AA2BD035" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_D3BADAB9BA2A4D63AE582625AA2BB40B" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_B3CB8118FF1E3AF92BB52625AA2BD035" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_TradeCustomerAndAffiliateReceivableNetCurrent" xlink:label="loc_wlkp_TradeCustomerAndAffiliateReceivableNetCurrent_0D5EE60CC989A81BE2E32625AA2BB13C" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_D3BADAB9BA2A4D63AE582625AA2BB40B" xlink:to="loc_wlkp_TradeCustomerAndAffiliateReceivableNetCurrent_0D5EE60CC989A81BE2E32625AA2BB13C" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_OtherReceivablesCurrent" xlink:label="loc_wlkp_OtherReceivablesCurrent_5D56692F1838EBE2DB7B2625AA2BAE0B" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_D3BADAB9BA2A4D63AE582625AA2BB40B" xlink:to="loc_wlkp_OtherReceivablesCurrent_5D56692F1838EBE2DB7B2625AA2BAE0B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ReceivablesNetCurrent" xlink:label="loc_us-gaap_ReceivablesNetCurrent_F8CD6A14CE9DFCD96B1C2625AA2BAB36" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_D3BADAB9BA2A4D63AE582625AA2BB40B" xlink:to="loc_us-gaap_ReceivablesNetCurrent_F8CD6A14CE9DFCD96B1C2625AA2BAB36" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/AccountsReceivableThirdPartiesTables" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccountsReceivableNetAbstract" xlink:label="loc_us-gaap_AccountsReceivableNetAbstract_1E05C099789CF9865CEC2625AA2DD23F" xlink:type="locator" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_ScheduleOfAccountsAndFinancingReceivablesTableTextBlock" xlink:label="loc_wlkp_ScheduleOfAccountsAndFinancingReceivablesTableTextBlock_3CED2C7E5A59BE718F872625AA2DCB47" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsReceivableNetAbstract_1E05C099789CF9865CEC2625AA2DD23F" xlink:to="loc_wlkp_ScheduleOfAccountsAndFinancingReceivablesTableTextBlock_3CED2C7E5A59BE718F872625AA2DCB47" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/CombinedAndConsolidatedStatementsOfCashFlows" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="loc_us-gaap_StatementOfCashFlowsAbstract_312CAE976E85FCF746F8106DA54B50ED" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_27BAEDC2813946C1F038106DA54B1FC8" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_312CAE976E85FCF746F8106DA54B50ED" xlink:to="loc_us-gaap_StatementTable_27BAEDC2813946C1F038106DA54B1FC8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_0D6648B6F3357ACA9A27106DA54B9BCF" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_27BAEDC2813946C1F038106DA54B1FC8" xlink:to="loc_us-gaap_StatementScenarioAxis_0D6648B6F3357ACA9A27106DA54B9BCF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_49DD05FC8071F9D7B31B106DA54B7A64" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementScenarioAxis_0D6648B6F3357ACA9A27106DA54B9BCF" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_49DD05FC8071F9D7B31B106DA54B7A64" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PredecessorMember" xlink:label="loc_us-gaap_PredecessorMember_F0885F858C7A82854203106DA54B51F5" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_49DD05FC8071F9D7B31B106DA54B7A64" xlink:to="loc_us-gaap_PredecessorMember_F0885F858C7A82854203106DA54B51F5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_0712B2767C1FD0F2B6EB106DA54B8634" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_27BAEDC2813946C1F038106DA54B1FC8" xlink:to="loc_us-gaap_StatementLineItems_0712B2767C1FD0F2B6EB106DA54B8634" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_60857BA85B662806F028106DA54BD808" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_0712B2767C1FD0F2B6EB106DA54B8634" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_60857BA85B662806F028106DA54BD808" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_77F765F5799C2EFAABAA106DA54B7FFE" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_60857BA85B662806F028106DA54BD808" xlink:to="loc_us-gaap_ProfitLoss_77F765F5799C2EFAABAA106DA54B7FFE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_A0AF2649C5F0344E7CAF106DA54BCCE1" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_60857BA85B662806F028106DA54BD808" xlink:to="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_A0AF2649C5F0344E7CAF106DA54BCCE1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_2F0B405CE0670A2F68C2106DA54C3ADB" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_A0AF2649C5F0344E7CAF106DA54BCCE1" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_2F0B405CE0670A2F68C2106DA54C3ADB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_29DF2D4D10B05525A169106DA54C9E5D" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_A0AF2649C5F0344E7CAF106DA54BCCE1" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_29DF2D4D10B05525A169106DA54C9E5D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GainLossOnDispositionOfAssets" xlink:label="loc_us-gaap_GainLossOnDispositionOfAssets_23DD9D1A0A72576D5D8D106DA54C5C51" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_A0AF2649C5F0344E7CAF106DA54BCCE1" xlink:to="loc_us-gaap_GainLossOnDispositionOfAssets_23DD9D1A0A72576D5D8D106DA54C5C51" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_3E6A7491A4CA3EE97EE1106DA54C8AAB" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_A0AF2649C5F0344E7CAF106DA54BCCE1" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_3E6A7491A4CA3EE97EE1106DA54C8AAB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions_90C6533D6B486B5AAE63106DA54CA31B" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_A0AF2649C5F0344E7CAF106DA54BCCE1" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions_90C6533D6B486B5AAE63106DA54CA31B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_77478548037F802B8CEA106DA54C5BB8" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_A0AF2649C5F0344E7CAF106DA54BCCE1" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_77478548037F802B8CEA106DA54C5BB8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables_CCE11F85492465E322C0106DA54C53B6" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_77478548037F802B8CEA106DA54C5BB8" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables_CCE11F85492465E322C0106DA54C53B6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivableRelatedParties" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivableRelatedParties_A3F049D256098E10D675106DA54CBE14" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_77478548037F802B8CEA106DA54C5BB8" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivableRelatedParties_A3F049D256098E10D675106DA54CBE14" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInInventories" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_7A714015D73A15CDB68A106DA54C742D" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_77478548037F802B8CEA106DA54C5BB8" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_7A714015D73A15CDB68A106DA54C742D" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_IncreaseDecreaseInPrepaidExpensesAndOtherCurrentAssets" xlink:label="loc_wlkp_IncreaseDecreaseInPrepaidExpensesAndOtherCurrentAssets_F5AD630816FEDCDE3C94106DA54C3199" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_77478548037F802B8CEA106DA54C5BB8" xlink:to="loc_wlkp_IncreaseDecreaseInPrepaidExpensesAndOtherCurrentAssets_F5AD630816FEDCDE3C94106DA54C3199" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_D94206960E9B087CE0B1106DA54C5CF0" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_77478548037F802B8CEA106DA54C5BB8" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayable_D94206960E9B087CE0B1106DA54C5CF0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_D744E7BE211FE2345AA9106DA54CEDF8" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_77478548037F802B8CEA106DA54C5BB8" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_D744E7BE211FE2345AA9106DA54CEDF8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_AE913335809F138FC3A4106DA54CAC73" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_77478548037F802B8CEA106DA54C5BB8" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_AE913335809F138FC3A4106DA54CAC73" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_CFE557F484451AB725A5106DA54CB0A4" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_A0AF2649C5F0344E7CAF106DA54BCCE1" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_CFE557F484451AB725A5106DA54CB0A4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_3B8DED4210EC2F73F3DD106DA54CE7FF" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_0712B2767C1FD0F2B6EB106DA54B8634" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_3B8DED4210EC2F73F3DD106DA54CE7FF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_F31183367413A580B323106DA54C6607" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_3B8DED4210EC2F73F3DD106DA54CE7FF" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_F31183367413A580B323106DA54C6607" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsForProceedsFromDerivativeInstrumentInvestingActivities" xlink:label="loc_us-gaap_PaymentsForProceedsFromDerivativeInstrumentInvestingActivities_3F558DCCA1D3A40C1597106DA54DDC3B" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_3B8DED4210EC2F73F3DD106DA54CE7FF" xlink:to="loc_us-gaap_PaymentsForProceedsFromDerivativeInstrumentInvestingActivities_3F558DCCA1D3A40C1597106DA54DDC3B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_F0446E6EFBE33498D80D106DA54D6AA6" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_3B8DED4210EC2F73F3DD106DA54CE7FF" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_F0446E6EFBE33498D80D106DA54D6AA6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_1ED1221EF769A3A58016106DA54D65D1" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_0712B2767C1FD0F2B6EB106DA54B8634" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_1ED1221EF769A3A58016106DA54D65D1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromRelatedPartyDebt" xlink:label="loc_us-gaap_ProceedsFromRelatedPartyDebt_15A56B13778E23C5C5D1106DA54D6910" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_1ED1221EF769A3A58016106DA54D65D1" xlink:to="loc_us-gaap_ProceedsFromRelatedPartyDebt_15A56B13778E23C5C5D1106DA54D6910" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsToMinorityShareholders" xlink:label="loc_us-gaap_PaymentsToMinorityShareholders_199328FF0264684EE0CA106DA54D08BE" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_1ED1221EF769A3A58016106DA54D65D1" xlink:to="loc_us-gaap_PaymentsToMinorityShareholders_199328FF0264684EE0CA106DA54D08BE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsOfCapitalDistribution" xlink:label="loc_us-gaap_PaymentsOfCapitalDistribution_6B62366682AD9E519452106DA54D09FB" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_1ED1221EF769A3A58016106DA54D65D1" xlink:to="loc_us-gaap_PaymentsOfCapitalDistribution_6B62366682AD9E519452106DA54D09FB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsOfDistributionsToAffiliates" xlink:label="loc_us-gaap_PaymentsOfDistributionsToAffiliates_24901889556410E82031106DA54D6BF8" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_1ED1221EF769A3A58016106DA54D65D1" xlink:to="loc_us-gaap_PaymentsOfDistributionsToAffiliates_24901889556410E82031106DA54D6BF8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_44D6317FEA07391A45C4106DA54DCE80" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_1ED1221EF769A3A58016106DA54D65D1" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_44D6317FEA07391A45C4106DA54DCE80" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_B2A651916C8FD6143EA8106DA54DC73E" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_0712B2767C1FD0F2B6EB106DA54B8634" xlink:to="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_B2A651916C8FD6143EA8106DA54DC73E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_0F1686E2809C29D94EFB106DA54DE322" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_0712B2767C1FD0F2B6EB106DA54B8634" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_0F1686E2809C29D94EFB106DA54DE322" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_7A4C624F1A6B6677A2B8106DA54D3DCB" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_0712B2767C1FD0F2B6EB106DA54B8634" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_7A4C624F1A6B6677A2B8106DA54D3DCB" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/CombinedAndConsolidatedStatementsOfChangesInEquity" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementOfPartnersCapitalAbstract" xlink:label="loc_us-gaap_StatementOfPartnersCapitalAbstract_AF20DC91C6685B9BB872020851825E36" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_CC42EF61330D46F4751702085182EC1D" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfPartnersCapitalAbstract_AF20DC91C6685B9BB872020851825E36" xlink:to="loc_us-gaap_StatementTable_CC42EF61330D46F4751702085182EC1D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_7270720D3302AA579DD702085182C0A6" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_CC42EF61330D46F4751702085182EC1D" xlink:to="loc_us-gaap_StatementScenarioAxis_7270720D3302AA579DD702085182C0A6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_8A3FD60AF53DC8D0FAAA020851833B42" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementScenarioAxis_7270720D3302AA579DD702085182C0A6" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_8A3FD60AF53DC8D0FAAA020851833B42" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PredecessorMember" xlink:label="loc_us-gaap_PredecessorMember_44F54984597E2FCBC440020851830662" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_8A3FD60AF53DC8D0FAAA020851833B42" xlink:to="loc_us-gaap_PredecessorMember_44F54984597E2FCBC440020851830662" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LimitedPartnersCapitalAccountByClassAxis" xlink:label="loc_us-gaap_LimitedPartnersCapitalAccountByClassAxis_4B568EB99B901E3DFD8D0208518353DF" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_CC42EF61330D46F4751702085182EC1D" xlink:to="loc_us-gaap_LimitedPartnersCapitalAccountByClassAxis_4B568EB99B901E3DFD8D0208518353DF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LimitedPartnersCapitalAccountClassDomain" xlink:label="loc_us-gaap_LimitedPartnersCapitalAccountClassDomain_B523FAA59360101477CC02085183B4E4" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LimitedPartnersCapitalAccountByClassAxis_4B568EB99B901E3DFD8D0208518353DF" xlink:to="loc_us-gaap_LimitedPartnersCapitalAccountClassDomain_B523FAA59360101477CC02085183B4E4" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_CommonUnitsMember" xlink:label="loc_wlkp_CommonUnitsMember_895E7FD84F0B1978AD30020851832AB4" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LimitedPartnersCapitalAccountClassDomain_B523FAA59360101477CC02085183B4E4" xlink:to="loc_wlkp_CommonUnitsMember_895E7FD84F0B1978AD30020851832AB4" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_SubordinatedUnitsMember" xlink:label="loc_wlkp_SubordinatedUnitsMember_2593287AA5A286F0DCAE0208518397C1" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LimitedPartnersCapitalAccountClassDomain_B523FAA59360101477CC02085183B4E4" xlink:to="loc_wlkp_SubordinatedUnitsMember_2593287AA5A286F0DCAE0208518397C1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CounterpartyNameAxis" xlink:label="loc_us-gaap_CounterpartyNameAxis_2EE55F2769829404E53B02085183B2C3" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_CC42EF61330D46F4751702085182EC1D" xlink:to="loc_us-gaap_CounterpartyNameAxis_2EE55F2769829404E53B02085183B2C3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RepurchaseAgreementCounterpartyNameDomain" xlink:label="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_FC08CF8041C03B32874802085183BD27" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CounterpartyNameAxis_2EE55F2769829404E53B02085183B2C3" xlink:to="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_FC08CF8041C03B32874802085183BD27" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_UnidentifiedThirdPartiesMember" xlink:label="loc_wlkp_UnidentifiedThirdPartiesMember_BAD8F5C6AC480DE5DE9C020851835725" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_FC08CF8041C03B32874802085183BD27" xlink:to="loc_wlkp_UnidentifiedThirdPartiesMember_BAD8F5C6AC480DE5DE9C020851835725" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember" xlink:label="loc_wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember_8A7303BF0DAB7DAA979E020851834A54" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_FC08CF8041C03B32874802085183BD27" xlink:to="loc_wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember_8A7303BF0DAB7DAA979E020851834A54" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PartnerTypeOfPartnersCapitalAccountAxis" xlink:label="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountAxis_CAA33AB83E24D292842E020851833817" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_CC42EF61330D46F4751702085182EC1D" xlink:to="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountAxis_CAA33AB83E24D292842E020851833817" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain" xlink:label="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain_6B53AC409D86CAACB9A702085183D423" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountAxis_CAA33AB83E24D292842E020851833817" xlink:to="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain_6B53AC409D86CAACB9A702085183D423" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LimitedPartnerMember" xlink:label="loc_us-gaap_LimitedPartnerMember_1F38D4F3048D594CF00C020851834DFD" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain_6B53AC409D86CAACB9A702085183D423" xlink:to="loc_us-gaap_LimitedPartnerMember_1F38D4F3048D594CF00C020851834DFD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GeneralPartnerMember" xlink:label="loc_us-gaap_GeneralPartnerMember_55952466262FEAB699BF02085184C0EF" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain_6B53AC409D86CAACB9A702085183D423" xlink:to="loc_us-gaap_GeneralPartnerMember_55952466262FEAB699BF02085184C0EF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_E69F468CF3265E20D99E02085184BB51" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_CC42EF61330D46F4751702085182EC1D" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_E69F468CF3265E20D99E02085184BB51" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_AA9EC151463D6E494FA302085184BC64" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_E69F468CF3265E20D99E02085184BB51" xlink:to="loc_us-gaap_EquityComponentDomain_AA9EC151463D6E494FA302085184BC64" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NoncontrollingInterestMember" xlink:label="loc_us-gaap_NoncontrollingInterestMember_8AD69A58B6A3B4BF9193020851848C8C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_AA9EC151463D6E494FA302085184BC64" xlink:to="loc_us-gaap_NoncontrollingInterestMember_8AD69A58B6A3B4BF9193020851848C8C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_0F68095ADE8B3136B8AA02085189183C" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_CC42EF61330D46F4751702085182EC1D" xlink:to="loc_us-gaap_StatementLineItems_0F68095ADE8B3136B8AA02085189183C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest_5AFA4B6EC085CD3BF642020851893502" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_0F68095ADE8B3136B8AA02085189183C" xlink:to="loc_us-gaap_PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest_5AFA4B6EC085CD3BF642020851893502" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_D6EDC735E2FBFDEF1D3A0208518A6BD6" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_0F68095ADE8B3136B8AA02085189183C" xlink:to="loc_us-gaap_ProfitLoss_D6EDC735E2FBFDEF1D3A0208518A6BD6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PartnersCapitalAccountDistributions" xlink:label="loc_us-gaap_PartnersCapitalAccountDistributions_88E9CDD4FB1F4E514DB80208518AD984" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_0F68095ADE8B3136B8AA02085189183C" xlink:to="loc_us-gaap_PartnersCapitalAccountDistributions_88E9CDD4FB1F4E514DB80208518AD984" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LimitedPartnersCapitalAccountDistributionAmount" xlink:label="loc_us-gaap_LimitedPartnersCapitalAccountDistributionAmount_7D3CC488D21F0D6192550208518A5D2A" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_0F68095ADE8B3136B8AA02085189183C" xlink:to="loc_us-gaap_LimitedPartnersCapitalAccountDistributionAmount_7D3CC488D21F0D6192550208518A5D2A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders" xlink:label="loc_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_AF5ECF7016196A6223F00208518A3AC1" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_0F68095ADE8B3136B8AA02085189183C" xlink:to="loc_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_AF5ECF7016196A6223F00208518A3AC1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest_7D0C3385C8AB05C357200208518ACEDD" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_0F68095ADE8B3136B8AA02085189183C" xlink:to="loc_us-gaap_PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest_7D0C3385C8AB05C357200208518ACEDD" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/CombinedAndConsolidatedStatementsOfOperations" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="loc_us-gaap_IncomeStatementAbstract_ED72CBB21BB124E5B726108F04B4937A" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_B3CEC8749EDE0D58BB4D108F04B4C207" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_ED72CBB21BB124E5B726108F04B4937A" xlink:to="loc_us-gaap_StatementTable_B3CEC8749EDE0D58BB4D108F04B4C207" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_F9101F56898DF2A07DE3108F04B433DB" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_B3CEC8749EDE0D58BB4D108F04B4C207" xlink:to="loc_us-gaap_StatementScenarioAxis_F9101F56898DF2A07DE3108F04B433DB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_0DD1F008340C4CEDC274108F04B4AC8A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementScenarioAxis_F9101F56898DF2A07DE3108F04B433DB" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_0DD1F008340C4CEDC274108F04B4AC8A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PredecessorMember" xlink:label="loc_us-gaap_PredecessorMember_0464407C53A269A9D54F108F04B4191A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_0DD1F008340C4CEDC274108F04B4AC8A" xlink:to="loc_us-gaap_PredecessorMember_0464407C53A269A9D54F108F04B4191A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CounterpartyNameAxis" xlink:label="loc_us-gaap_CounterpartyNameAxis_6C8C63B57995255530AC108F04B5E2FC" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_B3CEC8749EDE0D58BB4D108F04B4C207" xlink:to="loc_us-gaap_CounterpartyNameAxis_6C8C63B57995255530AC108F04B5E2FC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RepurchaseAgreementCounterpartyNameDomain" xlink:label="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_D4F73ED86D596BC16CDC108F04B5E235" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CounterpartyNameAxis_6C8C63B57995255530AC108F04B5E2FC" xlink:to="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_D4F73ED86D596BC16CDC108F04B5E235" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_UnidentifiedThirdPartiesMember" xlink:label="loc_wlkp_UnidentifiedThirdPartiesMember_71D5DB5715D59F4CA339108F04BA1995" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_D4F73ED86D596BC16CDC108F04B5E235" xlink:to="loc_wlkp_UnidentifiedThirdPartiesMember_71D5DB5715D59F4CA339108F04BA1995" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember" xlink:label="loc_wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember_C212FF6B16A8BEE2AC77108F04BA07C1" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_D4F73ED86D596BC16CDC108F04B5E235" xlink:to="loc_wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember_C212FF6B16A8BEE2AC77108F04BA07C1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LimitedPartnersCapitalAccountByClassAxis" xlink:label="loc_us-gaap_LimitedPartnersCapitalAccountByClassAxis_5FC78F0405CA9DE67002108F04BA958E" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_B3CEC8749EDE0D58BB4D108F04B4C207" xlink:to="loc_us-gaap_LimitedPartnersCapitalAccountByClassAxis_5FC78F0405CA9DE67002108F04BA958E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LimitedPartnersCapitalAccountClassDomain" xlink:label="loc_us-gaap_LimitedPartnersCapitalAccountClassDomain_BFBB07F5A1A681D66562108F04BA0EC6" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LimitedPartnersCapitalAccountByClassAxis_5FC78F0405CA9DE67002108F04BA958E" xlink:to="loc_us-gaap_LimitedPartnersCapitalAccountClassDomain_BFBB07F5A1A681D66562108F04BA0EC6" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_CommonUnitsMember" xlink:label="loc_wlkp_CommonUnitsMember_CE07F9414F736473283C108F04BAE0C3" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LimitedPartnersCapitalAccountClassDomain_BFBB07F5A1A681D66562108F04BA0EC6" xlink:to="loc_wlkp_CommonUnitsMember_CE07F9414F736473283C108F04BAE0C3" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_SubordinatedUnitsMember" xlink:label="loc_wlkp_SubordinatedUnitsMember_6269A28DF8AB0D3BDD72108F04BA58A2" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LimitedPartnersCapitalAccountClassDomain_BFBB07F5A1A681D66562108F04BA0EC6" xlink:to="loc_wlkp_SubordinatedUnitsMember_6269A28DF8AB0D3BDD72108F04BA58A2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_87F688A92ED7FE3AB2D6108F04BA8D5B" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_B3CEC8749EDE0D58BB4D108F04B4C207" xlink:to="loc_us-gaap_StatementLineItems_87F688A92ED7FE3AB2D6108F04BA8D5B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RevenueFromRelatedParties" xlink:label="loc_us-gaap_RevenueFromRelatedParties_920167CB21B6052A2C45108F04BBF4EF" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_87F688A92ED7FE3AB2D6108F04BA8D5B" xlink:to="loc_us-gaap_RevenueFromRelatedParties_920167CB21B6052A2C45108F04BBF4EF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherSalesRevenueNet" xlink:label="loc_us-gaap_OtherSalesRevenueNet_EBF8FF4DF0F6A1F3F542108F04BB61F4" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_87F688A92ED7FE3AB2D6108F04BA8D5B" xlink:to="loc_us-gaap_OtherSalesRevenueNet_EBF8FF4DF0F6A1F3F542108F04BB61F4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SalesRevenueNet" xlink:label="loc_us-gaap_SalesRevenueNet_3D5C32E1C7BA149BACE3108F04BB84B0" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_87F688A92ED7FE3AB2D6108F04BA8D5B" xlink:to="loc_us-gaap_SalesRevenueNet_3D5C32E1C7BA149BACE3108F04BB84B0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CostOfGoodsSold" xlink:label="loc_us-gaap_CostOfGoodsSold_2386F2B8CCC0FAA4ECAF108F04BBC055" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_87F688A92ED7FE3AB2D6108F04BA8D5B" xlink:to="loc_us-gaap_CostOfGoodsSold_2386F2B8CCC0FAA4ECAF108F04BBC055" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GrossProfit" xlink:label="loc_us-gaap_GrossProfit_3B360B6B5C345DF1F75E108F04BB7E01" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_87F688A92ED7FE3AB2D6108F04BA8D5B" xlink:to="loc_us-gaap_GrossProfit_3B360B6B5C345DF1F75E108F04BB7E01" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_A4D2B14CC5CC891F4D69108F04BB90A6" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_87F688A92ED7FE3AB2D6108F04BA8D5B" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_A4D2B14CC5CC891F4D69108F04BB90A6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_7ED91D4A00DA4ABD3C36108F04BBB000" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_87F688A92ED7FE3AB2D6108F04BA8D5B" xlink:to="loc_us-gaap_OperatingIncomeLoss_7ED91D4A00DA4ABD3C36108F04BBB000" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NonoperatingIncomeExpenseAbstract" xlink:label="loc_us-gaap_NonoperatingIncomeExpenseAbstract_7B65B4A9F7BDF6D76D5D108F04BB246F" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_87F688A92ED7FE3AB2D6108F04BA8D5B" xlink:to="loc_us-gaap_NonoperatingIncomeExpenseAbstract_7B65B4A9F7BDF6D76D5D108F04BB246F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestExpenseRelatedParty" xlink:label="loc_us-gaap_InterestExpenseRelatedParty_ABC8864BFA0F5F25426F108F04BB9193" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract_7B65B4A9F7BDF6D76D5D108F04BB246F" xlink:to="loc_us-gaap_InterestExpenseRelatedParty_ABC8864BFA0F5F25426F108F04BB9193" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_10A010DFF14CDFA9ADDA108F04BBC6D3" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract_7B65B4A9F7BDF6D76D5D108F04BB246F" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_10A010DFF14CDFA9ADDA108F04BBC6D3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_100F149C674AE677B70C108F08ACDF52" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_87F688A92ED7FE3AB2D6108F04BA8D5B" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_100F149C674AE677B70C108F08ACDF52" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_BA96E54833C0032F33D1108F04BB5FE1" xlink:type="locator" />
    <presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_87F688A92ED7FE3AB2D6108F04BA8D5B" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_BA96E54833C0032F33D1108F04BB5FE1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_23035E1C90BE9278A561108F04BBD006" xlink:type="locator" />
    <presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_87F688A92ED7FE3AB2D6108F04BA8D5B" xlink:to="loc_us-gaap_ProfitLoss_23035E1C90BE9278A561108F04BBD006" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_D3D31AD482827A961772108F04BB8A74" xlink:type="locator" />
    <presentationArc order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_87F688A92ED7FE3AB2D6108F04BA8D5B" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_D3D31AD482827A961772108F04BB8A74" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_EE94F0B9CE8781CEF12B108F04BB45D3" xlink:type="locator" />
    <presentationArc order="13" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_87F688A92ED7FE3AB2D6108F04BA8D5B" xlink:to="loc_us-gaap_NetIncomeLoss_EE94F0B9CE8781CEF12B108F04BB45D3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EarningsPerShareBasicAndDilutedAbstract" xlink:label="loc_us-gaap_EarningsPerShareBasicAndDilutedAbstract_B36D3F51606992E9BA13108F04BCD9E0" xlink:type="locator" />
    <presentationArc order="14" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_87F688A92ED7FE3AB2D6108F04BA8D5B" xlink:to="loc_us-gaap_EarningsPerShareBasicAndDilutedAbstract_B36D3F51606992E9BA13108F04BCD9E0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EarningsPerShareBasicAndDiluted" xlink:label="loc_us-gaap_EarningsPerShareBasicAndDiluted_8C358DA1A48E11A53438108F04C14FEE" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareBasicAndDilutedAbstract_B36D3F51606992E9BA13108F04BCD9E0" xlink:to="loc_us-gaap_EarningsPerShareBasicAndDiluted_8C358DA1A48E11A53438108F04C14FEE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EarningsPerShareBasicAndDilutedOtherDisclosuresAbstract" xlink:label="loc_us-gaap_EarningsPerShareBasicAndDilutedOtherDisclosuresAbstract_320CCE0A69811A2EC0F3108F04C1020C" xlink:type="locator" />
    <presentationArc order="15" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_87F688A92ED7FE3AB2D6108F04BA8D5B" xlink:to="loc_us-gaap_EarningsPerShareBasicAndDilutedOtherDisclosuresAbstract_320CCE0A69811A2EC0F3108F04C1020C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted" xlink:label="loc_us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted_F05E92B8562FEFFC18E3108F04C10807" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareBasicAndDilutedOtherDisclosuresAbstract_320CCE0A69811A2EC0F3108F04C1020C" xlink:to="loc_us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted_F05E92B8562FEFFC18E3108F04C10807" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/CommitmentsAndContingencies" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_9B4F3DE86B2277B67CAE32A8619AE942" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_22673EBC0D842A7C31F232A8619A98C8" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_9B4F3DE86B2277B67CAE32A8619AE942" xlink:to="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_22673EBC0D842A7C31F232A8619A98C8" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/CommitmentsAndContingenciesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_463ACE6B98DCB1D2405F0191648EA2A1" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LossContingenciesTable" xlink:label="loc_us-gaap_LossContingenciesTable_510220E7AF4C653E775001916490DFBB" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_463ACE6B98DCB1D2405F0191648EA2A1" xlink:to="loc_us-gaap_LossContingenciesTable_510220E7AF4C653E775001916490DFBB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LitigationCaseAxis" xlink:label="loc_us-gaap_LitigationCaseAxis_86DC779A018D532F43FB019164908A5D" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesTable_510220E7AF4C653E775001916490DFBB" xlink:to="loc_us-gaap_LitigationCaseAxis_86DC779A018D532F43FB019164908A5D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LitigationCaseTypeDomain" xlink:label="loc_us-gaap_LitigationCaseTypeDomain_74FBC3D2CF9BB43B7E4E0191649074DA" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LitigationCaseAxis_86DC779A018D532F43FB019164908A5D" xlink:to="loc_us-gaap_LitigationCaseTypeDomain_74FBC3D2CF9BB43B7E4E0191649074DA" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_GoodrichandPolyOneMember" xlink:label="loc_wlkp_GoodrichandPolyOneMember_8D6AAEC810151AA1946F01916490A5E9" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LitigationCaseTypeDomain_74FBC3D2CF9BB43B7E4E0191649074DA" xlink:to="loc_wlkp_GoodrichandPolyOneMember_8D6AAEC810151AA1946F01916490A5E9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LitigationStatusAxis" xlink:label="loc_us-gaap_LitigationStatusAxis_C7639F73A2C993124033019164901E69" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesTable_510220E7AF4C653E775001916490DFBB" xlink:to="loc_us-gaap_LitigationStatusAxis_C7639F73A2C993124033019164901E69" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LitigationStatusDomain" xlink:label="loc_us-gaap_LitigationStatusDomain_4AB0338D6C38E08470C001916490A0BF" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LitigationStatusAxis_C7639F73A2C993124033019164901E69" xlink:to="loc_us-gaap_LitigationStatusDomain_4AB0338D6C38E08470C001916490A0BF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SettledLitigationMember" xlink:label="loc_us-gaap_SettledLitigationMember_91AB7B8555249A5D6EB6019164906F39" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LitigationStatusDomain_4AB0338D6C38E08470C001916490A0BF" xlink:to="loc_us-gaap_SettledLitigationMember_91AB7B8555249A5D6EB6019164906F39" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PendingLitigationMember" xlink:label="loc_us-gaap_PendingLitigationMember_676440E9F17767F2B0AD019164908D9C" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LitigationStatusDomain_4AB0338D6C38E08470C001916490A0BF" xlink:to="loc_us-gaap_PendingLitigationMember_676440E9F17767F2B0AD019164908D9C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:label="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_A5680C959716861F01B001BA826AA7C7" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesTable_510220E7AF4C653E775001916490DFBB" xlink:to="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_A5680C959716861F01B001BA826AA7C7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LossContingencyNatureDomain" xlink:label="loc_us-gaap_LossContingencyNatureDomain_6DE26D88EDF4F54B80CC01BA82723E14" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_A5680C959716861F01B001BA826AA7C7" xlink:to="loc_us-gaap_LossContingencyNatureDomain_6DE26D88EDF4F54B80CC01BA82723E14" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UnfavorableRegulatoryActionMember" xlink:label="loc_us-gaap_UnfavorableRegulatoryActionMember_5D7176B1B7F9F4FE07EC01BAB8B3D796" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingencyNatureDomain_6DE26D88EDF4F54B80CC01BA82723E14" xlink:to="loc_us-gaap_UnfavorableRegulatoryActionMember_5D7176B1B7F9F4FE07EC01BAB8B3D796" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LossContingenciesLineItems" xlink:label="loc_us-gaap_LossContingenciesLineItems_BC97C5562F0DA5FD70BB019164917F10" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesTable_510220E7AF4C653E775001916490DFBB" xlink:to="loc_us-gaap_LossContingenciesLineItems_BC97C5562F0DA5FD70BB019164917F10" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_SiteContingencyThirdPartyRecoveryPercentage" xlink:label="loc_wlkp_SiteContingencyThirdPartyRecoveryPercentage_D6D3FF02EB7597B04B93019164916B81" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_BC97C5562F0DA5FD70BB019164917F10" xlink:to="loc_wlkp_SiteContingencyThirdPartyRecoveryPercentage_D6D3FF02EB7597B04B93019164916B81" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_LossContingencyArbitrationIntervalPeriod" xlink:label="loc_wlkp_LossContingencyArbitrationIntervalPeriod_183CC7F2EB29D6F6A23F01916491B754" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_BC97C5562F0DA5FD70BB019164917F10" xlink:to="loc_wlkp_LossContingencyArbitrationIntervalPeriod_183CC7F2EB29D6F6A23F01916491B754" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EnvironmentalRemediationExpense" xlink:label="loc_us-gaap_EnvironmentalRemediationExpense_2FEF9B183FCBC64AEB2D019164914104" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_BC97C5562F0DA5FD70BB019164917F10" xlink:to="loc_us-gaap_EnvironmentalRemediationExpense_2FEF9B183FCBC64AEB2D019164914104" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LossContingencyDamagesSoughtValue" xlink:label="loc_us-gaap_LossContingencyDamagesSoughtValue_0562BF367AA48C7323A901916491B0A5" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_BC97C5562F0DA5FD70BB019164917F10" xlink:to="loc_us-gaap_LossContingencyDamagesSoughtValue_0562BF367AA48C7323A901916491B0A5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LossContingencyEstimateOfPossibleLoss" xlink:label="loc_us-gaap_LossContingencyEstimateOfPossibleLoss_7B4F18959F211923143C01BA45DBD234" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_BC97C5562F0DA5FD70BB019164917F10" xlink:to="loc_us-gaap_LossContingencyEstimateOfPossibleLoss_7B4F18959F211923143C01BA45DBD234" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/ConsolidatedBalanceSheets" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_ECAB558E739EB86E93F20B1377FDD6D4" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_DF4FD4313FAA164349310B1377FDC0D0" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_ECAB558E739EB86E93F20B1377FDD6D4" xlink:to="loc_us-gaap_StatementTable_DF4FD4313FAA164349310B1377FDC0D0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PartnerTypeOfPartnersCapitalAccountAxis" xlink:label="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountAxis_AFFC5409A07BE8DBFA150B1377FD3EE1" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_DF4FD4313FAA164349310B1377FDC0D0" xlink:to="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountAxis_AFFC5409A07BE8DBFA150B1377FD3EE1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain" xlink:label="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain_1BB086CA5793E43FE4190B1377FE87B6" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountAxis_AFFC5409A07BE8DBFA150B1377FD3EE1" xlink:to="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain_1BB086CA5793E43FE4190B1377FE87B6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LimitedPartnerMember" xlink:label="loc_us-gaap_LimitedPartnerMember_EF970CDB81542DD9E89F0B1377FEB0B7" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain_1BB086CA5793E43FE4190B1377FE87B6" xlink:to="loc_us-gaap_LimitedPartnerMember_EF970CDB81542DD9E89F0B1377FEB0B7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GeneralPartnerMember" xlink:label="loc_us-gaap_GeneralPartnerMember_0D574F1DA5A33B4F00300B1377FE800C" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain_1BB086CA5793E43FE4190B1377FE87B6" xlink:to="loc_us-gaap_GeneralPartnerMember_0D574F1DA5A33B4F00300B1377FE800C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LimitedPartnersCapitalAccountByClassAxis" xlink:label="loc_us-gaap_LimitedPartnersCapitalAccountByClassAxis_E60802554D3C33B0A3510B1377FF149E" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_DF4FD4313FAA164349310B1377FDC0D0" xlink:to="loc_us-gaap_LimitedPartnersCapitalAccountByClassAxis_E60802554D3C33B0A3510B1377FF149E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LimitedPartnersCapitalAccountClassDomain" xlink:label="loc_us-gaap_LimitedPartnersCapitalAccountClassDomain_AFB4D8BA48CCFA99EC000B1377FF5E4B" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LimitedPartnersCapitalAccountByClassAxis_E60802554D3C33B0A3510B1377FF149E" xlink:to="loc_us-gaap_LimitedPartnersCapitalAccountClassDomain_AFB4D8BA48CCFA99EC000B1377FF5E4B" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_CommonUnitsMember" xlink:label="loc_wlkp_CommonUnitsMember_B4F0919CF7B8AC8546B60B1377FF2B97" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LimitedPartnersCapitalAccountClassDomain_AFB4D8BA48CCFA99EC000B1377FF5E4B" xlink:to="loc_wlkp_CommonUnitsMember_B4F0919CF7B8AC8546B60B1377FF2B97" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_SubordinatedUnitsMember" xlink:label="loc_wlkp_SubordinatedUnitsMember_65A3A29B29FBFC7BA7330B1377FF9BB0" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LimitedPartnersCapitalAccountClassDomain_AFB4D8BA48CCFA99EC000B1377FF5E4B" xlink:to="loc_wlkp_SubordinatedUnitsMember_65A3A29B29FBFC7BA7330B1377FF9BB0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CounterpartyNameAxis" xlink:label="loc_us-gaap_CounterpartyNameAxis_21FD6E90D954D8C89D2D0B13780038F7" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_DF4FD4313FAA164349310B1377FDC0D0" xlink:to="loc_us-gaap_CounterpartyNameAxis_21FD6E90D954D8C89D2D0B13780038F7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RepurchaseAgreementCounterpartyNameDomain" xlink:label="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_5603D1EA28FD56CCA2210B1378007244" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CounterpartyNameAxis_21FD6E90D954D8C89D2D0B13780038F7" xlink:to="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_5603D1EA28FD56CCA2210B1378007244" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_UnidentifiedThirdPartiesMember" xlink:label="loc_wlkp_UnidentifiedThirdPartiesMember_7CA3C909E43EABC259430B13780059B9" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_5603D1EA28FD56CCA2210B1378007244" xlink:to="loc_wlkp_UnidentifiedThirdPartiesMember_7CA3C909E43EABC259430B13780059B9" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember" xlink:label="loc_wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember_4505719AA3936EA678990B137800467B" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_5603D1EA28FD56CCA2210B1378007244" xlink:to="loc_wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember_4505719AA3936EA678990B137800467B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_BD0905C6FAB2FA667DA60B137801C751" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_DF4FD4313FAA164349310B1377FDC0D0" xlink:to="loc_us-gaap_StatementLineItems_BD0905C6FAB2FA667DA60B137801C751" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_us-gaap_AssetsAbstract_17C13DFAC22F408BF05F0B137801C7F1" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_BD0905C6FAB2FA667DA60B137801C751" xlink:to="loc_us-gaap_AssetsAbstract_17C13DFAC22F408BF05F0B137801C7F1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="loc_us-gaap_AssetsCurrentAbstract_35C3CDDF8E26EB2DA9890B137801205F" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_17C13DFAC22F408BF05F0B137801C7F1" xlink:to="loc_us-gaap_AssetsCurrentAbstract_35C3CDDF8E26EB2DA9890B137801205F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_72E64BED460E166CD3E80B59F7458A52" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_35C3CDDF8E26EB2DA9890B137801205F" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_72E64BED460E166CD3E80B59F7458A52" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccountsReceivableRelatedPartiesCurrent" xlink:label="loc_us-gaap_AccountsReceivableRelatedPartiesCurrent_374A91DA1805E2B2019C0B1378026940" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_35C3CDDF8E26EB2DA9890B137801205F" xlink:to="loc_us-gaap_AccountsReceivableRelatedPartiesCurrent_374A91DA1805E2B2019C0B1378026940" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ReceivablesNetCurrent" xlink:label="loc_us-gaap_ReceivablesNetCurrent_7E9023AA81D17289395C0B1378029323" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_35C3CDDF8E26EB2DA9890B137801205F" xlink:to="loc_us-gaap_ReceivablesNetCurrent_7E9023AA81D17289395C0B1378029323" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet_ADA7D68C61CECA5989560B1378036921" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_35C3CDDF8E26EB2DA9890B137801205F" xlink:to="loc_us-gaap_InventoryNet_ADA7D68C61CECA5989560B1378036921" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_BE055B7DEE2835FDD3870B137803DA2D" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_35C3CDDF8E26EB2DA9890B137801205F" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_BE055B7DEE2835FDD3870B137803DA2D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent_C68475813D80FBADA17D0B13780419E0" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_35C3CDDF8E26EB2DA9890B137801205F" xlink:to="loc_us-gaap_AssetsCurrent_C68475813D80FBADA17D0B13780419E0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_1C723E4BF7E2FA2981570B137804C217" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_17C13DFAC22F408BF05F0B137801C7F1" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_1C723E4BF7E2FA2981570B137804C217" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherAssetsAbstract" xlink:label="loc_us-gaap_OtherAssetsAbstract_666B1A8F500A88D79C910B137804703A" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_17C13DFAC22F408BF05F0B137801C7F1" xlink:to="loc_us-gaap_OtherAssetsAbstract_666B1A8F500A88D79C910B137804703A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_D64C70B2F479DAA5F6A50B1378041764" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherAssetsAbstract_666B1A8F500A88D79C910B137804703A" xlink:to="loc_us-gaap_Goodwill_D64C70B2F479DAA5F6A50B1378041764" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredCostsAndOtherAssets" xlink:label="loc_us-gaap_DeferredCostsAndOtherAssets_C8306C6BD886966602810B137804C34E" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherAssetsAbstract_666B1A8F500A88D79C910B137804703A" xlink:to="loc_us-gaap_DeferredCostsAndOtherAssets_C8306C6BD886966602810B137804C34E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_4EDAC6D66BF9F3BC341C0B1378049C2D" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherAssetsAbstract_666B1A8F500A88D79C910B137804703A" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_4EDAC6D66BF9F3BC341C0B1378049C2D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_E1DA0B48F47EE3ED348F0B13780599CE" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_17C13DFAC22F408BF05F0B137801C7F1" xlink:to="loc_us-gaap_Assets_E1DA0B48F47EE3ED348F0B13780599CE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_9E989124081AD64350D90B137805669C" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_BD0905C6FAB2FA667DA60B137801C751" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_9E989124081AD64350D90B137805669C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_C3E518EC0BBCAA4353350B137805346F" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_9E989124081AD64350D90B137805669C" xlink:to="loc_us-gaap_LiabilitiesCurrentAbstract_C3E518EC0BBCAA4353350B137805346F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccountsPayableRelatedPartiesCurrent" xlink:label="loc_us-gaap_AccountsPayableRelatedPartiesCurrent_EA6598DAA7858EB02B3E0B1378052288" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_C3E518EC0BBCAA4353350B137805346F" xlink:to="loc_us-gaap_AccountsPayableRelatedPartiesCurrent_EA6598DAA7858EB02B3E0B1378052288" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_us-gaap_AccountsPayableCurrent_1704DE57D87256FF53100B1378052675" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_C3E518EC0BBCAA4353350B137805346F" xlink:to="loc_us-gaap_AccountsPayableCurrent_1704DE57D87256FF53100B1378052675" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_F17CC10CFF005D8504690B137805BDB8" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_C3E518EC0BBCAA4353350B137805346F" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_F17CC10CFF005D8504690B137805BDB8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent_8A7C505142C2B916159B0B137805E74D" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_C3E518EC0BBCAA4353350B137805346F" xlink:to="loc_us-gaap_LiabilitiesCurrent_8A7C505142C2B916159B0B137805E74D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DueToRelatedPartiesNoncurrent" xlink:label="loc_us-gaap_DueToRelatedPartiesNoncurrent_05A32A926468EA460A8F0B1378051BA0" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_9E989124081AD64350D90B137805669C" xlink:to="loc_us-gaap_DueToRelatedPartiesNoncurrent_05A32A926468EA460A8F0B1378051BA0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesNoncurrent_F061D47B8B0BE21BDDA30B137806D23B" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_9E989124081AD64350D90B137805669C" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesNoncurrent_F061D47B8B0BE21BDDA30B137806D23B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_2AE207AFF19DD261F4330B137806F428" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_9E989124081AD64350D90B137805669C" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_2AE207AFF19DD261F4330B137806F428" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_37A27A7F529D08154DEF0B137806F116" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_9E989124081AD64350D90B137805669C" xlink:to="loc_us-gaap_Liabilities_37A27A7F529D08154DEF0B137806F116" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_us-gaap_CommitmentsAndContingencies_70BFB76C867DDA6A8B070B137806E7E8" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_9E989124081AD64350D90B137805669C" xlink:to="loc_us-gaap_CommitmentsAndContingencies_70BFB76C867DDA6A8B070B137806E7E8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="loc_us-gaap_StockholdersEquityAbstract_8633FFD308E599DF9CB40B137807204D" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_BD0905C6FAB2FA667DA60B137801C751" xlink:to="loc_us-gaap_StockholdersEquityAbstract_8633FFD308E599DF9CB40B137807204D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LimitedPartnersCapitalAccount" xlink:label="loc_us-gaap_LimitedPartnersCapitalAccount_BF25320067A15D47581F0B1378078837" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_8633FFD308E599DF9CB40B137807204D" xlink:to="loc_us-gaap_LimitedPartnersCapitalAccount_BF25320067A15D47581F0B1378078837" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GeneralPartnersCapitalAccount" xlink:label="loc_us-gaap_GeneralPartnersCapitalAccount_F3E6008A7191ADAC4E1D0B137807A20D" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_8633FFD308E599DF9CB40B137807204D" xlink:to="loc_us-gaap_GeneralPartnersCapitalAccount_F3E6008A7191ADAC4E1D0B137807A20D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PartnersCapital" xlink:label="loc_us-gaap_PartnersCapital_5209904964196E894F880B137807FC24" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_8633FFD308E599DF9CB40B137807204D" xlink:to="loc_us-gaap_PartnersCapital_5209904964196E894F880B137807FC24" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MinorityInterestInLimitedPartnerships" xlink:label="loc_us-gaap_MinorityInterestInLimitedPartnerships_5725C9D5654C93EF3B700B137807A900" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_8633FFD308E599DF9CB40B137807204D" xlink:to="loc_us-gaap_MinorityInterestInLimitedPartnerships_5725C9D5654C93EF3B700B137807A900" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest_87EB066489AFDB4711EC0B1378078556" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_8633FFD308E599DF9CB40B137807204D" xlink:to="loc_us-gaap_PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest_87EB066489AFDB4711EC0B1378078556" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_ED2C047BD985B526C6C30B1378073138" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_8633FFD308E599DF9CB40B137807204D" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_ED2C047BD985B526C6C30B1378073138" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_311F80997C01A3CF6AF9C8F14AEEBFA2" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_E4676E980A32BBF4D57DC8F14AEE0843" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_311F80997C01A3CF6AF9C8F14AEEBFA2" xlink:to="loc_us-gaap_StatementTable_E4676E980A32BBF4D57DC8F14AEE0843" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LimitedPartnersCapitalAccountByClassAxis" xlink:label="loc_us-gaap_LimitedPartnersCapitalAccountByClassAxis_7131327D542BB03C5BFBC8F14AEE2DE8" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_E4676E980A32BBF4D57DC8F14AEE0843" xlink:to="loc_us-gaap_LimitedPartnersCapitalAccountByClassAxis_7131327D542BB03C5BFBC8F14AEE2DE8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LimitedPartnersCapitalAccountClassDomain" xlink:label="loc_us-gaap_LimitedPartnersCapitalAccountClassDomain_F6F911AF907A88F4356EC8F14AEE31F2" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LimitedPartnersCapitalAccountByClassAxis_7131327D542BB03C5BFBC8F14AEE2DE8" xlink:to="loc_us-gaap_LimitedPartnersCapitalAccountClassDomain_F6F911AF907A88F4356EC8F14AEE31F2" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_CommonUnitsMember" xlink:label="loc_wlkp_CommonUnitsMember_5A028EE6110909DFAF61C8F14AEE75C2" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LimitedPartnersCapitalAccountClassDomain_F6F911AF907A88F4356EC8F14AEE31F2" xlink:to="loc_wlkp_CommonUnitsMember_5A028EE6110909DFAF61C8F14AEE75C2" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_SubordinatedUnitsMember" xlink:label="loc_wlkp_SubordinatedUnitsMember_9EF1643B26F07EED0899C8F14AEE1190" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LimitedPartnersCapitalAccountClassDomain_F6F911AF907A88F4356EC8F14AEE31F2" xlink:to="loc_wlkp_SubordinatedUnitsMember_9EF1643B26F07EED0899C8F14AEE1190" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CounterpartyNameAxis" xlink:label="loc_us-gaap_CounterpartyNameAxis_C3E9D8A326A731BF6831C8F14AEED4FF" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_E4676E980A32BBF4D57DC8F14AEE0843" xlink:to="loc_us-gaap_CounterpartyNameAxis_C3E9D8A326A731BF6831C8F14AEED4FF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RepurchaseAgreementCounterpartyNameDomain" xlink:label="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_28AFD615FB506CC945FDC8F14AEE1434" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CounterpartyNameAxis_C3E9D8A326A731BF6831C8F14AEED4FF" xlink:to="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_28AFD615FB506CC945FDC8F14AEE1434" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember" xlink:label="loc_wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember_993425890E0EF7ED11A9C8F14AEE73BE" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_28AFD615FB506CC945FDC8F14AEE1434" xlink:to="loc_wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember_993425890E0EF7ED11A9C8F14AEE73BE" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_UnidentifiedThirdPartiesMember" xlink:label="loc_wlkp_UnidentifiedThirdPartiesMember_24F55C03590B39E3B57DC8F14AEE4C58" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_28AFD615FB506CC945FDC8F14AEE1434" xlink:to="loc_wlkp_UnidentifiedThirdPartiesMember_24F55C03590B39E3B57DC8F14AEE4C58" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_6DBB53F822CBAC05949DC8F14AEE0C06" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_E4676E980A32BBF4D57DC8F14AEE0843" xlink:to="loc_us-gaap_StatementLineItems_6DBB53F822CBAC05949DC8F14AEE0C06" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LimitedPartnersCapitalAccountUnitsIssued" xlink:label="loc_us-gaap_LimitedPartnersCapitalAccountUnitsIssued_C63F5932E7A597A096E6C8F14AEE91D3" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_6DBB53F822CBAC05949DC8F14AEE0C06" xlink:to="loc_us-gaap_LimitedPartnersCapitalAccountUnitsIssued_C63F5932E7A597A096E6C8F14AEE91D3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding" xlink:label="loc_us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding_C25F925E6C909104BF68C8F14AEE80A2" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_6DBB53F822CBAC05949DC8F14AEE0C06" xlink:to="loc_us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding_C25F925E6C909104BF68C8F14AEE80A2" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/DerivativeInstruments" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_6D72D9C9F20C656BE21A32A860FEA5BF" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_BF44BE8DA7389F7A5E7632A860FE838B" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_6D72D9C9F20C656BE21A32A860FEA5BF" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_BF44BE8DA7389F7A5E7632A860FE838B" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/DerivativeInstrumentsImpactOfDerivativeInstrumentsOnIncomeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_FCC9B92FC32403AC8B33118424F4BA46" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_4BA9F1EB508711600512118424F44EEF" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_FCC9B92FC32403AC8B33118424F4BA46" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_4BA9F1EB508711600512118424F44EEF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingDesignationAxis" xlink:label="loc_us-gaap_HedgingDesignationAxis_A924F0435CC30A7B1CAA118424F4A329" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_4BA9F1EB508711600512118424F44EEF" xlink:to="loc_us-gaap_HedgingDesignationAxis_A924F0435CC30A7B1CAA118424F4A329" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_B5BDC2B938E2C3077822118424F46B49" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_HedgingDesignationAxis_A924F0435CC30A7B1CAA118424F4A329" xlink:to="loc_us-gaap_HedgingDesignationDomain_B5BDC2B938E2C3077822118424F46B49" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NondesignatedMember" xlink:label="loc_us-gaap_NondesignatedMember_E36AA3AF749E4CEAF990118424F4B80F" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_HedgingDesignationDomain_B5BDC2B938E2C3077822118424F46B49" xlink:to="loc_us-gaap_NondesignatedMember_E36AA3AF749E4CEAF990118424F4B80F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_64791EC3A2489E8F9750118424F435C1" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_4BA9F1EB508711600512118424F44EEF" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_64791EC3A2489E8F9750118424F435C1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_AA5C59A2372264CF55B4118424F428A6" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_64791EC3A2489E8F9750118424F435C1" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_AA5C59A2372264CF55B4118424F428A6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ForwardContractsMember" xlink:label="loc_us-gaap_ForwardContractsMember_ECB798982AE39B006043118424F49BCC" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_AA5C59A2372264CF55B4118424F428A6" xlink:to="loc_us-gaap_ForwardContractsMember_ECB798982AE39B006043118424F49BCC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_47D6069E1D931306C156118424F4A4EC" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_4BA9F1EB508711600512118424F44EEF" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_47D6069E1D931306C156118424F4A4EC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_57497A837674DE340AC9118424F40CCF" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_47D6069E1D931306C156118424F4A4EC" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_57497A837674DE340AC9118424F40CCF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CostOfSalesMember" xlink:label="loc_us-gaap_CostOfSalesMember_BB4D2E882E595E85A27C118424F49F1C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_57497A837674DE340AC9118424F40CCF" xlink:to="loc_us-gaap_CostOfSalesMember_BB4D2E882E595E85A27C118424F49F1C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossLineItems" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_5FAC33F0989FBB569055118424F4B31F" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_4BA9F1EB508711600512118424F44EEF" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_5FAC33F0989FBB569055118424F4B31F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeGainLossOnDerivativeNet" xlink:label="loc_us-gaap_DerivativeGainLossOnDerivativeNet_A2E37D72E72685464B1F118424F4488C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_5FAC33F0989FBB569055118424F4B31F" xlink:to="loc_us-gaap_DerivativeGainLossOnDerivativeNet_A2E37D72E72685464B1F118424F4488C" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/DerivativeInstrumentsTables" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_131F14D6D677307A41EBDD312B302DDF" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfOtherDerivativesNotDesignatedAsHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfOtherDerivativesNotDesignatedAsHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock_A5BF65C9C9DC22ECF567DD312B314CDE" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_131F14D6D677307A41EBDD312B302DDF" xlink:to="loc_us-gaap_ScheduleOfOtherDerivativesNotDesignatedAsHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock_A5BF65C9C9DC22ECF567DD312B314CDE" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/DerivativeInstrumentsTextualDetail" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_6AC1CAF60D1BE7EAB8EF0B13769DE861" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeTable" xlink:label="loc_us-gaap_DerivativeTable_D94F8697EB2402C70E9C0B13769D33DC" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_6AC1CAF60D1BE7EAB8EF0B13769DE861" xlink:to="loc_us-gaap_DerivativeTable_D94F8697EB2402C70E9C0B13769D33DC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingDesignationAxis" xlink:label="loc_us-gaap_HedgingDesignationAxis_0EA5C956BFC07700A6710B13769DCE8B" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_D94F8697EB2402C70E9C0B13769D33DC" xlink:to="loc_us-gaap_HedgingDesignationAxis_0EA5C956BFC07700A6710B13769DCE8B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_EFE715CF70C0FDE02E680B13769E7E6E" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_HedgingDesignationAxis_0EA5C956BFC07700A6710B13769DCE8B" xlink:to="loc_us-gaap_HedgingDesignationDomain_EFE715CF70C0FDE02E680B13769E7E6E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DesignatedAsHedgingInstrumentMember" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_9D349E70C63E9E665AB00B13769EB3C1" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_HedgingDesignationDomain_EFE715CF70C0FDE02E680B13769E7E6E" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_9D349E70C63E9E665AB00B13769EB3C1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_DC98AC0D7BE9F13F91D60B13769E5102" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_D94F8697EB2402C70E9C0B13769D33DC" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_DC98AC0D7BE9F13F91D60B13769E5102" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_AAEC464E9389D297F2FE0B13769E2884" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_DC98AC0D7BE9F13F91D60B13769E5102" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_AAEC464E9389D297F2FE0B13769E2884" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_CommodityForwardContractsMember" xlink:label="loc_wlkp_CommodityForwardContractsMember_11408A6B1EA9B23DD7B30B13769F3CA2" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_AAEC464E9389D297F2FE0B13769E2884" xlink:to="loc_wlkp_CommodityForwardContractsMember_11408A6B1EA9B23DD7B30B13769F3CA2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeLineItems" xlink:label="loc_us-gaap_DerivativeLineItems_A5F0CEF46018114F0E6D0B1376A12C16" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeTable_D94F8697EB2402C70E9C0B13769D33DC" xlink:to="loc_us-gaap_DerivativeLineItems_A5F0CEF46018114F0E6D0B1376A12C16" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeNumberOfInstrumentsHeld" xlink:label="loc_us-gaap_DerivativeNumberOfInstrumentsHeld_9779B3D19145EC65A6F60B1376A1C5A8" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeLineItems_A5F0CEF46018114F0E6D0B1376A12C16" xlink:to="loc_us-gaap_DerivativeNumberOfInstrumentsHeld_9779B3D19145EC65A6F60B1376A1C5A8" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/DescriptionOfBusinessAndBasisOfPresentation" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_AAAF0EFA3532B65DFD582625AA3BF7CD" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock" xlink:label="loc_us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock_F1BC73E94640511E7E9A2625AA3BE2AF" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_AAAF0EFA3532B65DFD582625AA3BF7CD" xlink:to="loc_us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock_F1BC73E94640511E7E9A2625AA3BE2AF" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/DescriptionOfBusinessAndBasisOfPresentationDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_1993FD61C3C5C1B0233EE39D1883A331" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfLimitedPartnersCapitalAccountByClassTable" xlink:label="loc_us-gaap_ScheduleOfLimitedPartnersCapitalAccountByClassTable_814C64CD89BC620C0627E39D1883A6FD" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_1993FD61C3C5C1B0233EE39D1883A331" xlink:to="loc_us-gaap_ScheduleOfLimitedPartnersCapitalAccountByClassTable_814C64CD89BC620C0627E39D1883A6FD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PartnerTypeOfPartnersCapitalAccountAxis" xlink:label="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountAxis_13C154978AA45CAB1317E39D18840742" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfLimitedPartnersCapitalAccountByClassTable_814C64CD89BC620C0627E39D1883A6FD" xlink:to="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountAxis_13C154978AA45CAB1317E39D18840742" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain" xlink:label="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain_0C3463E7F6C2F7C8A999E39D18845660" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountAxis_13C154978AA45CAB1317E39D18840742" xlink:to="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain_0C3463E7F6C2F7C8A999E39D18845660" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LimitedPartnerMember" xlink:label="loc_us-gaap_LimitedPartnerMember_9D313BDBC40F07020B82E39D18843E42" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain_0C3463E7F6C2F7C8A999E39D18845660" xlink:to="loc_us-gaap_LimitedPartnerMember_9D313BDBC40F07020B82E39D18843E42" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_C454F347A96E8E14FA09E39D1884F5EA" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfLimitedPartnersCapitalAccountByClassTable_814C64CD89BC620C0627E39D1883A6FD" xlink:to="loc_dei_LegalEntityAxis_C454F347A96E8E14FA09E39D1884F5EA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_75DC9F2CA4A8CD8271E8E39D18844A1D" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_C454F347A96E8E14FA09E39D1884F5EA" xlink:to="loc_dei_EntityDomain_75DC9F2CA4A8CD8271E8E39D18844A1D" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember" xlink:label="loc_wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember_5DE024FAB60016EB0BB2E39D18845C47" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_75DC9F2CA4A8CD8271E8E39D18844A1D" xlink:to="loc_wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember_5DE024FAB60016EB0BB2E39D18845C47" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_WestlakeChemicalOpCoLPMember" xlink:label="loc_wlkp_WestlakeChemicalOpCoLPMember_36F6C01EF86B72D0C55FE39D1884EC61" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_75DC9F2CA4A8CD8271E8E39D18844A1D" xlink:to="loc_wlkp_WestlakeChemicalOpCoLPMember_36F6C01EF86B72D0C55FE39D1884EC61" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CounterpartyNameAxis" xlink:label="loc_us-gaap_CounterpartyNameAxis_AED3A5931EBDBB2AD02BE39D18859597" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfLimitedPartnersCapitalAccountByClassTable_814C64CD89BC620C0627E39D1883A6FD" xlink:to="loc_us-gaap_CounterpartyNameAxis_AED3A5931EBDBB2AD02BE39D18859597" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RepurchaseAgreementCounterpartyNameDomain" xlink:label="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_96D60A9C0E68D4D8D706E39D188566CD" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CounterpartyNameAxis_AED3A5931EBDBB2AD02BE39D18859597" xlink:to="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_96D60A9C0E68D4D8D706E39D188566CD" xlink:type="arc" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_96D60A9C0E68D4D8D706E39D188566CD" xlink:to="loc_wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember_5DE024FAB60016EB0BB2E39D18845C47" xlink:type="arc" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_96D60A9C0E68D4D8D706E39D188566CD" xlink:to="loc_wlkp_WestlakeChemicalOpCoLPMember_36F6C01EF86B72D0C55FE39D1884EC61" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_WestlakeChemicalOpCoGPLLCMember" xlink:label="loc_wlkp_WestlakeChemicalOpCoGPLLCMember_21F54150276CC0537F19E39D188571B9" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_96D60A9C0E68D4D8D706E39D188566CD" xlink:to="loc_wlkp_WestlakeChemicalOpCoGPLLCMember_21F54150276CC0537F19E39D188571B9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_06886D7AA8AFDB64FB0CE39D18850D8A" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfLimitedPartnersCapitalAccountByClassTable_814C64CD89BC620C0627E39D1883A6FD" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_06886D7AA8AFDB64FB0CE39D18850D8A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaap_RelatedPartyDomain_BA3C04DC4BF718726083E39D18855E44" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_06886D7AA8AFDB64FB0CE39D18850D8A" xlink:to="loc_us-gaap_RelatedPartyDomain_BA3C04DC4BF718726083E39D18855E44" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AffiliatedEntityMember" xlink:label="loc_us-gaap_AffiliatedEntityMember_559166000E2A65CC4483E39D18858E2C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_BA3C04DC4BF718726083E39D18855E44" xlink:to="loc_us-gaap_AffiliatedEntityMember_559166000E2A65CC4483E39D18858E2C" xlink:type="arc" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_BA3C04DC4BF718726083E39D18855E44" xlink:to="loc_wlkp_WestlakeChemicalOpCoLPMember_36F6C01EF86B72D0C55FE39D1884EC61" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LimitedLiabilityCompanyMember" xlink:label="loc_us-gaap_LimitedLiabilityCompanyMember_4B3AD3CDD0E7B7C09E94E39D1886540D" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_BA3C04DC4BF718726083E39D18855E44" xlink:to="loc_us-gaap_LimitedLiabilityCompanyMember_4B3AD3CDD0E7B7C09E94E39D1886540D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MajorityOwnedSubsidiaryUnconsolidatedMember" xlink:label="loc_us-gaap_MajorityOwnedSubsidiaryUnconsolidatedMember_B7C51130F90ACDBDABE0E39D18865756" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_BA3C04DC4BF718726083E39D18855E44" xlink:to="loc_us-gaap_MajorityOwnedSubsidiaryUnconsolidatedMember_B7C51130F90ACDBDABE0E39D18865756" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LimitedPartnersCapitalAccountLineItems" xlink:label="loc_us-gaap_LimitedPartnersCapitalAccountLineItems_00D08A7144E1FC566DB1E39D1886B944" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfLimitedPartnersCapitalAccountByClassTable_814C64CD89BC620C0627E39D1883A6FD" xlink:to="loc_us-gaap_LimitedPartnersCapitalAccountLineItems_00D08A7144E1FC566DB1E39D1886B944" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PartnersCapitalAccountUnitsSoldInPublicOffering" xlink:label="loc_us-gaap_PartnersCapitalAccountUnitsSoldInPublicOffering_2025F791B4747F0DCC4FE39D188650A0" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LimitedPartnersCapitalAccountLineItems_00D08A7144E1FC566DB1E39D1886B944" xlink:to="loc_us-gaap_PartnersCapitalAccountUnitsSoldInPublicOffering_2025F791B4747F0DCC4FE39D188650A0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersOwnershipInterest" xlink:label="loc_us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersOwnershipInterest_2A3A4F9A8FF0EBEE4D7FE39D18865245" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LimitedPartnersCapitalAccountLineItems_00D08A7144E1FC566DB1E39D1886B944" xlink:to="loc_us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersOwnershipInterest_2A3A4F9A8FF0EBEE4D7FE39D18865245" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_NumberofProductionFacilities" xlink:label="loc_wlkp_NumberofProductionFacilities_544BFEAB1B1698F9DF0CE39D18868910" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LimitedPartnersCapitalAccountLineItems_00D08A7144E1FC566DB1E39D1886B944" xlink:to="loc_wlkp_NumberofProductionFacilities_544BFEAB1B1698F9DF0CE39D18868910" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/DescriptionOfBusinessAndBasisOfPresentationPolicies" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_CA7A392B922C6C98ED79DD312BBE3EA9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:label="loc_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_2839A14231C0EA9FD4EEDD312BBEE95E" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_CA7A392B922C6C98ED79DD312BBE3EA9" xlink:to="loc_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_2839A14231C0EA9FD4EEDD312BBEE95E" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/DocumentAndEntityInformation" xlink:type="extended">
    <loc xlink:href="wlkp-20150331.xsd#wlkp_DocumentDocumentandEntityInformationAbstract" xlink:label="loc_wlkp_DocumentDocumentandEntityInformationAbstract_EA00E326AFE6B947A05132A8614CE2DF" xlink:type="locator" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentInformationTable" xlink:label="loc_dei_DocumentInformationTable_611D2918720533FFE6FD32A8614C532C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_wlkp_DocumentDocumentandEntityInformationAbstract_EA00E326AFE6B947A05132A8614CE2DF" xlink:to="loc_dei_DocumentInformationTable_611D2918720533FFE6FD32A8614C532C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_7DE997135E92DFC9FD0432A8614CF9EE" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationTable_611D2918720533FFE6FD32A8614C532C" xlink:to="loc_us-gaap_StatementClassOfStockAxis_7DE997135E92DFC9FD0432A8614CF9EE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_BC0745288F9A48B5343732A8614C11C3" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementClassOfStockAxis_7DE997135E92DFC9FD0432A8614CF9EE" xlink:to="loc_us-gaap_ClassOfStockDomain_BC0745288F9A48B5343732A8614C11C3" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_CommonUnitsMember" xlink:label="loc_wlkp_CommonUnitsMember_971380F2C17D06D9931932A8614CC10E" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_BC0745288F9A48B5343732A8614C11C3" xlink:to="loc_wlkp_CommonUnitsMember_971380F2C17D06D9931932A8614CC10E" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_SubordinatedUnitsMember" xlink:label="loc_wlkp_SubordinatedUnitsMember_EB11AB3396F9CC33E93432A8614C8654" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_BC0745288F9A48B5343732A8614C11C3" xlink:to="loc_wlkp_SubordinatedUnitsMember_EB11AB3396F9CC33E93432A8614C8654" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentInformationLineItems" xlink:label="loc_dei_DocumentInformationLineItems_8AECAB604CFCC50706B132A8614C0707" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationTable_611D2918720533FFE6FD32A8614C532C" xlink:to="loc_dei_DocumentInformationLineItems_8AECAB604CFCC50706B132A8614C0707" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentType" xlink:label="loc_dei_DocumentType_F460CFCAEF87BA6DC1F632A8614C4299" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_8AECAB604CFCC50706B132A8614C0707" xlink:to="loc_dei_DocumentType_F460CFCAEF87BA6DC1F632A8614C4299" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_AmendmentFlag" xlink:label="loc_dei_AmendmentFlag_C12E737D2EF3C5F8CD1932A8614C4190" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_8AECAB604CFCC50706B132A8614C0707" xlink:to="loc_dei_AmendmentFlag_C12E737D2EF3C5F8CD1932A8614C4190" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="loc_dei_DocumentPeriodEndDate_7176E5825F975E6A92E332A8614C772B" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_8AECAB604CFCC50706B132A8614C0707" xlink:to="loc_dei_DocumentPeriodEndDate_7176E5825F975E6A92E332A8614C772B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="loc_dei_DocumentFiscalYearFocus_60640757CA778A1D963632A8614C4931" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_8AECAB604CFCC50706B132A8614C0707" xlink:to="loc_dei_DocumentFiscalYearFocus_60640757CA778A1D963632A8614C4931" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="loc_dei_DocumentFiscalPeriodFocus_705C602500C52AF5043E32A8614C0179" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_8AECAB604CFCC50706B132A8614C0707" xlink:to="loc_dei_DocumentFiscalPeriodFocus_705C602500C52AF5043E32A8614C0179" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_TradingSymbol" xlink:label="loc_dei_TradingSymbol_3FDF2D56ED61ECA3D78E32A8614C22C4" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_8AECAB604CFCC50706B132A8614C0707" xlink:to="loc_dei_TradingSymbol_3FDF2D56ED61ECA3D78E32A8614C22C4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityRegistrantName" xlink:label="loc_dei_EntityRegistrantName_6193B6296DDCA50D96CA32A8614C5E6C" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_8AECAB604CFCC50706B132A8614C0707" xlink:to="loc_dei_EntityRegistrantName_6193B6296DDCA50D96CA32A8614C5E6C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="loc_dei_EntityCentralIndexKey_E5EF7005A3EB421A750E32A8614C82F2" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_8AECAB604CFCC50706B132A8614C0707" xlink:to="loc_dei_EntityCentralIndexKey_E5EF7005A3EB421A750E32A8614C82F2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="loc_dei_CurrentFiscalYearEndDate_DC9E1A6F78205FAB16FE32A8614CEF20" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_8AECAB604CFCC50706B132A8614C0707" xlink:to="loc_dei_CurrentFiscalYearEndDate_DC9E1A6F78205FAB16FE32A8614CEF20" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityFilerCategory" xlink:label="loc_dei_EntityFilerCategory_4837356A0B790600F2F832A8614CF8DF" xlink:type="locator" />
    <presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_8AECAB604CFCC50706B132A8614C0707" xlink:to="loc_dei_EntityFilerCategory_4837356A0B790600F2F832A8614CF8DF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_19706089402D3CA5B62132A8614CB227" xlink:type="locator" />
    <presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_8AECAB604CFCC50706B132A8614C0707" xlink:to="loc_dei_EntityCommonStockSharesOutstanding_19706089402D3CA5B62132A8614CB227" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/FairValueMeasurements" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_691B0F793FA3B87D9C0932A8615BA652" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueDisclosuresTextBlock" xlink:label="loc_us-gaap_FairValueDisclosuresTextBlock_1359369C4A7B42E3E3BC32A8615B5A7A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_691B0F793FA3B87D9C0932A8615BA652" xlink:to="loc_us-gaap_FairValueDisclosuresTextBlock_1359369C4A7B42E3E3BC32A8615B5A7A" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/FairValueMeasurementsSummaryOfCarryingAndFairValuesOfLongTermDebtDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_AB3CCA651B77694B3DD30AAD30B4E838" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueByBalanceSheetGroupingTable" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingTable_BCB0550D8DEE0F5F29890AAD30B4DFA1" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_AB3CCA651B77694B3DD30AAD30B4E838" xlink:to="loc_us-gaap_FairValueByBalanceSheetGroupingTable_BCB0550D8DEE0F5F29890AAD30B4DFA1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_8F5547A5C6507F1E65E60AAD30B4E40B" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_BCB0550D8DEE0F5F29890AAD30B4DFA1" xlink:to="loc_us-gaap_DebtInstrumentAxis_8F5547A5C6507F1E65E60AAD30B4E40B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_3F0F6C02BF8C3BBB0AE00AAD30B43698" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentAxis_8F5547A5C6507F1E65E60AAD30B4E40B" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_3F0F6C02BF8C3BBB0AE00AAD30B43698" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_PromissoryNotes2013Member" xlink:label="loc_wlkp_PromissoryNotes2013Member_AFF1F3CEBE9A380ABF3F0AAD30B4A42B" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_3F0F6C02BF8C3BBB0AE00AAD30B43698" xlink:to="loc_wlkp_PromissoryNotes2013Member_AFF1F3CEBE9A380ABF3F0AAD30B4A42B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RevolvingCreditFacilityMember" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_3EF91ABE768C42A352990AAD30B47921" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_3F0F6C02BF8C3BBB0AE00AAD30B43698" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_3EF91ABE768C42A352990AAD30B47921" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_2C339EFAF0ECE7D3FD8E0AAD30B46B94" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_BCB0550D8DEE0F5F29890AAD30B4DFA1" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_2C339EFAF0ECE7D3FD8E0AAD30B46B94" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_0CE32B475B42D55B07660AAD30B4EEB6" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_2C339EFAF0ECE7D3FD8E0AAD30B46B94" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_0CE32B475B42D55B07660AAD30B4EEB6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SeniorNotesMember" xlink:label="loc_us-gaap_SeniorNotesMember_B7F540D59DFD51503B0B0AAD30B4D539" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_0CE32B475B42D55B07660AAD30B4EEB6" xlink:to="loc_us-gaap_SeniorNotesMember_B7F540D59DFD51503B0B0AAD30B4D539" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueByMeasurementBasisAxis" xlink:label="loc_us-gaap_FairValueByMeasurementBasisAxis_BB70FBC0BF0C83271C9A0AAD30B4E1F8" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_BCB0550D8DEE0F5F29890AAD30B4DFA1" xlink:to="loc_us-gaap_FairValueByMeasurementBasisAxis_BB70FBC0BF0C83271C9A0AAD30B4E1F8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueDisclosureItemAmountsDomain" xlink:label="loc_us-gaap_FairValueDisclosureItemAmountsDomain_2BC4FD9DBFFE5E37EF2E0AAD30B4EC1E" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_BB70FBC0BF0C83271C9A0AAD30B4E1F8" xlink:to="loc_us-gaap_FairValueDisclosureItemAmountsDomain_2BC4FD9DBFFE5E37EF2E0AAD30B4EC1E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_C7C43023E9D5DB5A0A310AAD30B420B1" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_2BC4FD9DBFFE5E37EF2E0AAD30B4EC1E" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_C7C43023E9D5DB5A0A310AAD30B420B1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CarryingReportedAmountFairValueDisclosureMember" xlink:label="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_C9EEB46204998298DEE00AAD30B4344D" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_2BC4FD9DBFFE5E37EF2E0AAD30B4EC1E" xlink:to="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_C9EEB46204998298DEE00AAD30B4344D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember" xlink:label="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_E84AF2C0133032743CFA0AAD30B4B83C" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_2BC4FD9DBFFE5E37EF2E0AAD30B4EC1E" xlink:to="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_E84AF2C0133032743CFA0AAD30B4B83C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems" xlink:label="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_CAD3C9720965F9B862330AAD30B47348" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_BCB0550D8DEE0F5F29890AAD30B4DFA1" xlink:to="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_CAD3C9720965F9B862330AAD30B47348" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_SeniorNotesFairValueDisclosure" xlink:label="loc_wlkp_SeniorNotesFairValueDisclosure_EFC1258C2C8736229FE10AAD30B48FBF" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_CAD3C9720965F9B862330AAD30B47348" xlink:to="loc_wlkp_SeniorNotesFairValueDisclosure_EFC1258C2C8736229FE10AAD30B48FBF" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/FairValueMeasurementsTables" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_DEEDC9B9DCACB6DDF3BFDD312B1F1BA4" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueByBalanceSheetGroupingTextBlock" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingTextBlock_C4260DD01DBFDF5EB7E3DD312B1F4884" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_DEEDC9B9DCACB6DDF3BFDD312B1F1BA4" xlink:to="loc_us-gaap_FairValueByBalanceSheetGroupingTextBlock_C4260DD01DBFDF5EB7E3DD312B1F4884" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/FinancialInstrumentsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xlink:label="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_BD5C313634020A6E5FA9DD312B9159A8" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfCashAndCashEquivalentsTable" xlink:label="loc_us-gaap_ScheduleOfCashAndCashEquivalentsTable_C8D845AA219A0FBAAF4BDD312B919749" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_BD5C313634020A6E5FA9DD312B9159A8" xlink:to="loc_us-gaap_ScheduleOfCashAndCashEquivalentsTable_C8D845AA219A0FBAAF4BDD312B919749" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GainLossOnInvestmentsByCategoryAxis" xlink:label="loc_us-gaap_GainLossOnInvestmentsByCategoryAxis_CBD9D9511AC5B87E133DDD312B9142B8" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfCashAndCashEquivalentsTable_C8D845AA219A0FBAAF4BDD312B919749" xlink:to="loc_us-gaap_GainLossOnInvestmentsByCategoryAxis_CBD9D9511AC5B87E133DDD312B9142B8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GainLossOnInvestmentsIncludingMarketableSecuritiesAndInvestmentsHeldAtCostCategoriesOfInvestmentsDomain" xlink:label="loc_us-gaap_GainLossOnInvestmentsIncludingMarketableSecuritiesAndInvestmentsHeldAtCostCategoriesOfInvestmentsDomain_34909AAE51E64A8C1170DD312B916BD2" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GainLossOnInvestmentsByCategoryAxis_CBD9D9511AC5B87E133DDD312B9142B8" xlink:to="loc_us-gaap_GainLossOnInvestmentsIncludingMarketableSecuritiesAndInvestmentsHeldAtCostCategoriesOfInvestmentsDomain_34909AAE51E64A8C1170DD312B916BD2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_HeldtomaturitySecuritiesMember" xlink:label="loc_us-gaap_HeldtomaturitySecuritiesMember_F07A0C7392A213EAB76CDD312B91C773" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GainLossOnInvestmentsIncludingMarketableSecuritiesAndInvestmentsHeldAtCostCategoriesOfInvestmentsDomain_34909AAE51E64A8C1170DD312B916BD2" xlink:to="loc_us-gaap_HeldtomaturitySecuritiesMember_F07A0C7392A213EAB76CDD312B91C773" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashAndCashEquivalentsLineItems" xlink:label="loc_us-gaap_CashAndCashEquivalentsLineItems_25B7561F4A7ED0B4E17DDD312B91B026" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfCashAndCashEquivalentsTable_C8D845AA219A0FBAAF4BDD312B919749" xlink:to="loc_us-gaap_CashAndCashEquivalentsLineItems_25B7561F4A7ED0B4E17DDD312B91B026" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashEquivalentsAtCarryingValue_66762CB0DE21D7047F76DD312B91DCCE" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CashAndCashEquivalentsLineItems_25B7561F4A7ED0B4E17DDD312B91B026" xlink:to="loc_us-gaap_CashEquivalentsAtCarryingValue_66762CB0DE21D7047F76DD312B91DCCE" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/FinancialInstrumentsNotes" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xlink:label="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_B6C5D25970E4CF8BCF062625AA32C22B" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock" xlink:label="loc_us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock_F85905709759667CBF592625AA325415" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_B6C5D25970E4CF8BCF062625AA32C22B" xlink:to="loc_us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock_F85905709759667CBF592625AA325415" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/IncomeTaxes" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_EA002DB0B7C538DA5FAF32A8614CAC68" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock" xlink:label="loc_us-gaap_IncomeTaxDisclosureTextBlock_B8F6E55D2732577FFB2832A8614C3CDE" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_EA002DB0B7C538DA5FAF32A8614CAC68" xlink:to="loc_us-gaap_IncomeTaxDisclosureTextBlock_B8F6E55D2732577FFB2832A8614C3CDE" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/IncomeTaxesDetail" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_33C6DE3F5CC9D71FD02511B544CEBAD3" xlink:type="locator" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntitiesTable" xlink:label="loc_dei_EntitiesTable_CA87D45BBAC1967EFEE211C41709138F" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_33C6DE3F5CC9D71FD02511B544CEBAD3" xlink:to="loc_dei_EntitiesTable_CA87D45BBAC1967EFEE211C41709138F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_12F88C7CC404BC585CFE11C44BDAE196" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntitiesTable_CA87D45BBAC1967EFEE211C41709138F" xlink:to="loc_us-gaap_StatementScenarioAxis_12F88C7CC404BC585CFE11C44BDAE196" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_DB9E07941FD480CFD6D511C44CE07F58" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementScenarioAxis_12F88C7CC404BC585CFE11C44BDAE196" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_DB9E07941FD480CFD6D511C44CE07F58" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PredecessorMember" xlink:label="loc_us-gaap_PredecessorMember_2EF60B14D04295ADC05011C471D290D5" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_DB9E07941FD480CFD6D511C44CE07F58" xlink:to="loc_us-gaap_PredecessorMember_2EF60B14D04295ADC05011C471D290D5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityInformationLineItems" xlink:label="loc_dei_EntityInformationLineItems_8A9B9ECF345C879982F611C41709BC58" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntitiesTable_CA87D45BBAC1967EFEE211C41709138F" xlink:to="loc_dei_EntityInformationLineItems_8A9B9ECF345C879982F611C41709BC58" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_250DC707903B9A3236E411B544D024E6" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_8A9B9ECF345C879982F611C41709BC58" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_250DC707903B9A3236E411B544D024E6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_C2C36426EF905575D2B711B544D07C18" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_8A9B9ECF345C879982F611C41709BC58" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_C2C36426EF905575D2B711B544D07C18" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/Inventories" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InventoryDisclosureAbstract" xlink:label="loc_us-gaap_InventoryDisclosureAbstract_67E868E4CEF0BC5D9D1032A8610DD149" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InventoryDisclosureTextBlock" xlink:label="loc_us-gaap_InventoryDisclosureTextBlock_9CA627C7DA18929CE14B32A8610DDAB2" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InventoryDisclosureAbstract_67E868E4CEF0BC5D9D1032A8610DD149" xlink:to="loc_us-gaap_InventoryDisclosureTextBlock_9CA627C7DA18929CE14B32A8610DDAB2" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/InventoriesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InventoryDisclosureAbstract" xlink:label="loc_us-gaap_InventoryDisclosureAbstract_00D7F7EA1EFD92DCB6A7E3A52CDEB0FA" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InventoryCurrentTable" xlink:label="loc_us-gaap_InventoryCurrentTable_328DC376574B9BAF8646E3A52CDE38F4" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InventoryDisclosureAbstract_00D7F7EA1EFD92DCB6A7E3A52CDEB0FA" xlink:to="loc_us-gaap_InventoryCurrentTable_328DC376574B9BAF8646E3A52CDE38F4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_E5D3CD25DCEFB81FC8B6E3A52CDEF2A3" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InventoryCurrentTable_328DC376574B9BAF8646E3A52CDE38F4" xlink:to="loc_us-gaap_StatementScenarioAxis_E5D3CD25DCEFB81FC8B6E3A52CDEF2A3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_47C66BCAD6DC6A5F43CBE3A52CDE84B7" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementScenarioAxis_E5D3CD25DCEFB81FC8B6E3A52CDEF2A3" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_47C66BCAD6DC6A5F43CBE3A52CDE84B7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PredecessorMember" xlink:label="loc_us-gaap_PredecessorMember_C4F05DDA548A820AEBB0E3A52CE384DE" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_47C66BCAD6DC6A5F43CBE3A52CDE84B7" xlink:to="loc_us-gaap_PredecessorMember_C4F05DDA548A820AEBB0E3A52CE384DE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InventoryLineItems" xlink:label="loc_us-gaap_InventoryLineItems_A27A4BEEDD612614D3BBE3A52CE35999" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InventoryCurrentTable_328DC376574B9BAF8646E3A52CDE38F4" xlink:to="loc_us-gaap_InventoryLineItems_A27A4BEEDD612614D3BBE3A52CE35999" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InventoryFinishedGoods" xlink:label="loc_us-gaap_InventoryFinishedGoods_2ADD2A5BBCD470157500E3A52CE4FDE9" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InventoryLineItems_A27A4BEEDD612614D3BBE3A52CE35999" xlink:to="loc_us-gaap_InventoryFinishedGoods_2ADD2A5BBCD470157500E3A52CE4FDE9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InventoryWorkInProcessAndRawMaterials" xlink:label="loc_us-gaap_InventoryWorkInProcessAndRawMaterials_0B567BACB248E25F4258E3A52CE4F023" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InventoryLineItems_A27A4BEEDD612614D3BBE3A52CE35999" xlink:to="loc_us-gaap_InventoryWorkInProcessAndRawMaterials_0B567BACB248E25F4258E3A52CE4F023" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet_8EC6CCC704D44B4A92ABE3A52CE4AD28" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InventoryLineItems_A27A4BEEDD612614D3BBE3A52CE35999" xlink:to="loc_us-gaap_InventoryNet_8EC6CCC704D44B4A92ABE3A52CE4AD28" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/InventoriesTables" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InventoryDisclosureAbstract" xlink:label="loc_us-gaap_InventoryDisclosureAbstract_85AE504DF94F1308A9E432A8615BE14D" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfInventoryCurrentTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfInventoryCurrentTableTextBlock_9B2E38016BD29006A0E332A8615BA331" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InventoryDisclosureAbstract_85AE504DF94F1308A9E432A8615BE14D" xlink:to="loc_us-gaap_ScheduleOfInventoryCurrentTableTextBlock_9B2E38016BD29006A0E332A8615BA331" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/LongTermDebtPayableToWestlake" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyTransactionsAbstract" xlink:label="loc_us-gaap_RelatedPartyTransactionsAbstract_A718D30B914A6602288306C19B155BCE" xlink:type="locator" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_RelatedPartyTransactionsLongtermDebtTextBlock" xlink:label="loc_wlkp_RelatedPartyTransactionsLongtermDebtTextBlock_EDA61B06196E7928A15F06C19B152FCD" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract_A718D30B914A6602288306C19B155BCE" xlink:to="loc_wlkp_RelatedPartyTransactionsLongtermDebtTextBlock_EDA61B06196E7928A15F06C19B152FCD" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/LongTermDebtPayableToWestlakeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyTransactionsAbstract" xlink:label="loc_us-gaap_RelatedPartyTransactionsAbstract_97EEA01FECC1FBAF3350DD312B3E55F0" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_51985BB92AA28A0F7B31DD312B3E6A86" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract_97EEA01FECC1FBAF3350DD312B3E55F0" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_51985BB92AA28A0F7B31DD312B3E6A86" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_0FBB1B7623F6F5E5CECCDD312B3E810B" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_51985BB92AA28A0F7B31DD312B3E6A86" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_0FBB1B7623F6F5E5CECCDD312B3E810B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_551F61D5FA258B69C921DD312B3E0EFC" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_0FBB1B7623F6F5E5CECCDD312B3E810B" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_551F61D5FA258B69C921DD312B3E0EFC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SeniorNotesMember" xlink:label="loc_us-gaap_SeniorNotesMember_132E3ED2B9744056AA27DD312B3F323B" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_551F61D5FA258B69C921DD312B3E0EFC" xlink:to="loc_us-gaap_SeniorNotesMember_132E3ED2B9744056AA27DD312B3F323B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditMember" xlink:label="loc_us-gaap_LineOfCreditMember_B1A16C982CC7CE10CAE8DD312B3FED19" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_551F61D5FA258B69C921DD312B3E0EFC" xlink:to="loc_us-gaap_LineOfCreditMember_B1A16C982CC7CE10CAE8DD312B3FED19" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_8BE52BD1D7DB54699408DD312B3FD37A" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_51985BB92AA28A0F7B31DD312B3E6A86" xlink:to="loc_us-gaap_DebtInstrumentAxis_8BE52BD1D7DB54699408DD312B3FD37A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_5B25004DFC8C7053435CDD312B3F022C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentAxis_8BE52BD1D7DB54699408DD312B3FD37A" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_5B25004DFC8C7053435CDD312B3F022C" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_PromissoryNotes2013Member" xlink:label="loc_wlkp_PromissoryNotes2013Member_EE72BEA094859AD1E83EDD312B3FB909" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_5B25004DFC8C7053435CDD312B3F022C" xlink:to="loc_wlkp_PromissoryNotes2013Member_EE72BEA094859AD1E83EDD312B3FB909" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_SeniorUnsecuredRevolvingCreditFacilityMember" xlink:label="loc_wlkp_SeniorUnsecuredRevolvingCreditFacilityMember_B027106FF26F7FC387C4DD312B3FE663" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_5B25004DFC8C7053435CDD312B3F022C" xlink:to="loc_wlkp_SeniorUnsecuredRevolvingCreditFacilityMember_B027106FF26F7FC387C4DD312B3FE663" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableRateAxis" xlink:label="loc_us-gaap_VariableRateAxis_24984CCBCB693773E5E7DD312B3F3B7D" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_51985BB92AA28A0F7B31DD312B3E6A86" xlink:to="loc_us-gaap_VariableRateAxis_24984CCBCB693773E5E7DD312B3F3B7D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_A05E3B001C9DA0DE9FFDDD312B3FE998" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableRateAxis_24984CCBCB693773E5E7DD312B3F3B7D" xlink:to="loc_us-gaap_VariableRateDomain_A05E3B001C9DA0DE9FFDDD312B3FE998" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PrimeRateMember" xlink:label="loc_us-gaap_PrimeRateMember_40E96D727975B3BE5E35DD312B3F6921" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableRateDomain_A05E3B001C9DA0DE9FFDDD312B3FE998" xlink:to="loc_us-gaap_PrimeRateMember_40E96D727975B3BE5E35DD312B3F6921" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LondonInterbankOfferedRateLIBORMember" xlink:label="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_FCED4CCBDE3482AE81D3DD312B40C6FC" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableRateDomain_A05E3B001C9DA0DE9FFDDD312B3FE998" xlink:to="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_FCED4CCBDE3482AE81D3DD312B40C6FC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_881DE7B44CF2987AEE05DD312B409E80" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_51985BB92AA28A0F7B31DD312B3E6A86" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_881DE7B44CF2987AEE05DD312B409E80" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaap_RelatedPartyDomain_B4AE27E47487F8968351DD312B40882E" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_881DE7B44CF2987AEE05DD312B409E80" xlink:to="loc_us-gaap_RelatedPartyDomain_B4AE27E47487F8968351DD312B40882E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LimitedPartnerMember" xlink:label="loc_us-gaap_LimitedPartnerMember_F907A731EF99C4698058DD312B4042C4" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_B4AE27E47487F8968351DD312B40882E" xlink:to="loc_us-gaap_LimitedPartnerMember_F907A731EF99C4698058DD312B4042C4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyTransactionLineItems" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_349D9D8DE5FCF7E2CDDCDD312B409955" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_51985BB92AA28A0F7B31DD312B3E6A86" xlink:to="loc_us-gaap_RelatedPartyTransactionLineItems_349D9D8DE5FCF7E2CDDCDD312B409955" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DueToRelatedPartiesNoncurrent" xlink:label="loc_us-gaap_DueToRelatedPartiesNoncurrent_1E3A740070A681DCEDD7DD312B40988B" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_349D9D8DE5FCF7E2CDDCDD312B409955" xlink:to="loc_us-gaap_DueToRelatedPartiesNoncurrent_1E3A740070A681DCEDD7DD312B40988B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_8704A329E568D30D89A4DD312B40F22F" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_349D9D8DE5FCF7E2CDDCDD312B409955" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_8704A329E568D30D89A4DD312B40F22F" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_NumberofIntercompanyPromissoryNotes" xlink:label="loc_wlkp_NumberofIntercompanyPromissoryNotes_EBE4AD1028AD2E4B1274DD312B407CA6" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_349D9D8DE5FCF7E2CDDCDD312B409955" xlink:to="loc_wlkp_NumberofIntercompanyPromissoryNotes_EBE4AD1028AD2E4B1274DD312B407CA6" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/LongTermDebtPayableToWestlakeTables" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyTransactionsAbstract" xlink:label="loc_us-gaap_RelatedPartyTransactionsAbstract_D4CFB15CA8D1EF20999E32A8611DD7AF" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock_DF823E2D0A342AD6D7CD32A8611D5DFB" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract_D4CFB15CA8D1EF20999E32A8611DD7AF" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock_DF823E2D0A342AD6D7CD32A8611D5DFB" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/MajorCustomerAndConcentrationRisk" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RisksAndUncertaintiesAbstract" xlink:label="loc_us-gaap_RisksAndUncertaintiesAbstract_332EBFE5057CC5F1CE1332A8612C73EF" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ConcentrationRiskDisclosureTextBlock" xlink:label="loc_us-gaap_ConcentrationRiskDisclosureTextBlock_DF887A20D86BF1DBF59832A8612C0711" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RisksAndUncertaintiesAbstract_332EBFE5057CC5F1CE1332A8612C73EF" xlink:to="loc_us-gaap_ConcentrationRiskDisclosureTextBlock_DF887A20D86BF1DBF59832A8612C0711" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/MajorCustomerAndConcentrationRiskDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RisksAndUncertaintiesAbstract" xlink:label="loc_us-gaap_RisksAndUncertaintiesAbstract_DC182E4A52127961EA81118706F941D5" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ConcentrationRiskTable" xlink:label="loc_us-gaap_ConcentrationRiskTable_8BB06B73FCEC1883E7D9118706F9BAB6" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RisksAndUncertaintiesAbstract_DC182E4A52127961EA81118706F941D5" xlink:to="loc_us-gaap_ConcentrationRiskTable_8BB06B73FCEC1883E7D9118706F9BAB6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_B24C4C461F1B646278A011871E024CDB" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskTable_8BB06B73FCEC1883E7D9118706F9BAB6" xlink:to="loc_us-gaap_StatementScenarioAxis_B24C4C461F1B646278A011871E024CDB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_FFDB211867AAEDF0265A11871EFC55E4" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementScenarioAxis_B24C4C461F1B646278A011871E024CDB" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_FFDB211867AAEDF0265A11871EFC55E4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PredecessorMember" xlink:label="loc_us-gaap_PredecessorMember_932909FB4B759F113607118738A5F622" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_FFDB211867AAEDF0265A11871EFC55E4" xlink:to="loc_us-gaap_PredecessorMember_932909FB4B759F113607118738A5F622" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_6042B8B38AFD118E5D80118706F9021A" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskTable_8BB06B73FCEC1883E7D9118706F9BAB6" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_6042B8B38AFD118E5D80118706F9021A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ConcentrationRiskBenchmarkDomain" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_A89542F0CCA56BD56F87118706F9B9CF" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_6042B8B38AFD118E5D80118706F9021A" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_A89542F0CCA56BD56F87118706F9B9CF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SalesRevenueNetMember" xlink:label="loc_us-gaap_SalesRevenueNetMember_A045C61901A1CDF9CC62118706F945AD" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_A89542F0CCA56BD56F87118706F9B9CF" xlink:to="loc_us-gaap_SalesRevenueNetMember_A045C61901A1CDF9CC62118706F945AD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ConcentrationRiskByTypeAxis" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_BA17797260710630A564118706F97636" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskTable_8BB06B73FCEC1883E7D9118706F9BAB6" xlink:to="loc_us-gaap_ConcentrationRiskByTypeAxis_BA17797260710630A564118706F97636" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ConcentrationRiskTypeDomain" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_481551779673D4C5F2EB118706F9F4E2" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_BA17797260710630A564118706F97636" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_481551779673D4C5F2EB118706F9F4E2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CustomerConcentrationRiskMember" xlink:label="loc_us-gaap_CustomerConcentrationRiskMember_1F723FAED80879AEA552118706F977A9" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_481551779673D4C5F2EB118706F9F4E2" xlink:to="loc_us-gaap_CustomerConcentrationRiskMember_1F723FAED80879AEA552118706F977A9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MajorCustomersAxis" xlink:label="loc_us-gaap_MajorCustomersAxis_840F5579B08018A546CD118706F97EB4" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskTable_8BB06B73FCEC1883E7D9118706F9BAB6" xlink:to="loc_us-gaap_MajorCustomersAxis_840F5579B08018A546CD118706F97EB4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NameOfMajorCustomerDomain" xlink:label="loc_us-gaap_NameOfMajorCustomerDomain_A90876F0C7A6DFBE40A0118706F92642" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorCustomersAxis_840F5579B08018A546CD118706F97EB4" xlink:to="loc_us-gaap_NameOfMajorCustomerDomain_A90876F0C7A6DFBE40A0118706F92642" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember" xlink:label="loc_wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember_B9117242BDE1094E63AB118706F90A8F" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NameOfMajorCustomerDomain_A90876F0C7A6DFBE40A0118706F92642" xlink:to="loc_wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember_B9117242BDE1094E63AB118706F90A8F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_221C5F0FA52956F43CFF118706F91311" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskTable_8BB06B73FCEC1883E7D9118706F9BAB6" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_221C5F0FA52956F43CFF118706F91311" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaap_RelatedPartyDomain_A1E89FB25A5F8F817895118706F9127E" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_221C5F0FA52956F43CFF118706F91311" xlink:to="loc_us-gaap_RelatedPartyDomain_A1E89FB25A5F8F817895118706F9127E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AffiliatedEntityMember" xlink:label="loc_us-gaap_AffiliatedEntityMember_2B2E73A67257AFA3EB64118706F9922C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_A1E89FB25A5F8F817895118706F9127E" xlink:to="loc_us-gaap_AffiliatedEntityMember_2B2E73A67257AFA3EB64118706F9922C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ConcentrationRiskLineItems" xlink:label="loc_us-gaap_ConcentrationRiskLineItems_5DA24FCB271053791EA0118706F956F9" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskTable_8BB06B73FCEC1883E7D9118706F9BAB6" xlink:to="loc_us-gaap_ConcentrationRiskLineItems_5DA24FCB271053791EA0118706F956F9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ConcentrationRiskPercentage1" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_57708F08ADC4CF621ABA118706F9AB20" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_5DA24FCB271053791EA0118706F956F9" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_57708F08ADC4CF621ABA118706F9AB20" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/NetIncomePerLimitedPartnerUnit" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="loc_us-gaap_EarningsPerShareAbstract_4ADDC04DB7EF418BC8D732A8615B4E01" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EarningsPerShareTextBlock" xlink:label="loc_us-gaap_EarningsPerShareTextBlock_A62D8CF63FDFFC3E28A332A8615B1C96" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_4ADDC04DB7EF418BC8D732A8615B4E01" xlink:to="loc_us-gaap_EarningsPerShareTextBlock_A62D8CF63FDFFC3E28A332A8615B1C96" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/NetIncomePerLimitedPartnerUnitBasicAndDilutedIncomePerLimitedPartnerUnitDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="loc_us-gaap_EarningsPerShareAbstract_509E254A6F3D0BD0E30F06C19BA5CC0B" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfLimitedPartnersCapitalAccountByClassTable" xlink:label="loc_us-gaap_ScheduleOfLimitedPartnersCapitalAccountByClassTable_87FDA86BF3BFF6C4F43806C19BA559D1" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_509E254A6F3D0BD0E30F06C19BA5CC0B" xlink:to="loc_us-gaap_ScheduleOfLimitedPartnersCapitalAccountByClassTable_87FDA86BF3BFF6C4F43806C19BA559D1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LimitedPartnersCapitalAccountByClassAxis" xlink:label="loc_us-gaap_LimitedPartnersCapitalAccountByClassAxis_6DAF578A64F1EE86E29906C19BA50C7A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfLimitedPartnersCapitalAccountByClassTable_87FDA86BF3BFF6C4F43806C19BA559D1" xlink:to="loc_us-gaap_LimitedPartnersCapitalAccountByClassAxis_6DAF578A64F1EE86E29906C19BA50C7A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LimitedPartnersCapitalAccountClassDomain" xlink:label="loc_us-gaap_LimitedPartnersCapitalAccountClassDomain_42E62FB17113F6C5D8A906C19BA5468F" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LimitedPartnersCapitalAccountByClassAxis_6DAF578A64F1EE86E29906C19BA50C7A" xlink:to="loc_us-gaap_LimitedPartnersCapitalAccountClassDomain_42E62FB17113F6C5D8A906C19BA5468F" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_CommonUnitsMember" xlink:label="loc_wlkp_CommonUnitsMember_9E4900C1CF8D0CEF483E06C19BA58B57" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LimitedPartnersCapitalAccountClassDomain_42E62FB17113F6C5D8A906C19BA5468F" xlink:to="loc_wlkp_CommonUnitsMember_9E4900C1CF8D0CEF483E06C19BA58B57" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_SubordinatedUnitsMember" xlink:label="loc_wlkp_SubordinatedUnitsMember_F6D5DA9E5876E748A73806C19BA5AC0F" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LimitedPartnersCapitalAccountClassDomain_42E62FB17113F6C5D8A906C19BA5468F" xlink:to="loc_wlkp_SubordinatedUnitsMember_F6D5DA9E5876E748A73806C19BA5AC0F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LimitedPartnersCapitalAccountLineItems" xlink:label="loc_us-gaap_LimitedPartnersCapitalAccountLineItems_FAC713B85AEE9AEB8A7F06C19BA523A6" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfLimitedPartnersCapitalAccountByClassTable_87FDA86BF3BFF6C4F43806C19BA559D1" xlink:to="loc_us-gaap_LimitedPartnersCapitalAccountLineItems_FAC713B85AEE9AEB8A7F06C19BA523A6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DistributedEarnings" xlink:label="loc_us-gaap_DistributedEarnings_FC514C6BCCC38D75A12006C19BA5D996" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LimitedPartnersCapitalAccountLineItems_FAC713B85AEE9AEB8A7F06C19BA523A6" xlink:to="loc_us-gaap_DistributedEarnings_FC514C6BCCC38D75A12006C19BA5D996" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UndistributedEarnings" xlink:label="loc_us-gaap_UndistributedEarnings_0DBD282A787CC7F2376906C19BA55646" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LimitedPartnersCapitalAccountLineItems_FAC713B85AEE9AEB8A7F06C19BA523A6" xlink:to="loc_us-gaap_UndistributedEarnings_0DBD282A787CC7F2376906C19BA55646" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_E121E9445E85B479E08606C19BA51F66" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LimitedPartnersCapitalAccountLineItems_FAC713B85AEE9AEB8A7F06C19BA523A6" xlink:to="loc_us-gaap_NetIncomeLoss_E121E9445E85B479E08606C19BA51F66" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EarningsPerShareBasicAndDilutedOtherDisclosuresAbstract" xlink:label="loc_us-gaap_EarningsPerShareBasicAndDilutedOtherDisclosuresAbstract_96A695B9920C049841E706C19BA660EA" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LimitedPartnersCapitalAccountLineItems_FAC713B85AEE9AEB8A7F06C19BA523A6" xlink:to="loc_us-gaap_EarningsPerShareBasicAndDilutedOtherDisclosuresAbstract_96A695B9920C049841E706C19BA660EA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted" xlink:label="loc_us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted_4CB49C6CAA6798C106A106C19BA60213" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareBasicAndDilutedOtherDisclosuresAbstract_96A695B9920C049841E706C19BA660EA" xlink:to="loc_us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted_4CB49C6CAA6798C106A106C19BA60213" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EarningsPerShareBasicAndDilutedAbstract" xlink:label="loc_us-gaap_EarningsPerShareBasicAndDilutedAbstract_C0CC7DC660BF5C38699406C19BA6216A" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LimitedPartnersCapitalAccountLineItems_FAC713B85AEE9AEB8A7F06C19BA523A6" xlink:to="loc_us-gaap_EarningsPerShareBasicAndDilutedAbstract_C0CC7DC660BF5C38699406C19BA6216A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EarningsPerShareBasicAndDiluted" xlink:label="loc_us-gaap_EarningsPerShareBasicAndDiluted_2969343D2188DFE88F0006C19BA658A9" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareBasicAndDilutedAbstract_C0CC7DC660BF5C38699406C19BA6216A" xlink:to="loc_us-gaap_EarningsPerShareBasicAndDiluted_2969343D2188DFE88F0006C19BA658A9" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/NetIncomePerLimitedPartnerUnitDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="loc_us-gaap_EarningsPerShareAbstract_2034D58F0400680AA21732A8611DC49A" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SubsequentEventTable" xlink:label="loc_us-gaap_SubsequentEventTable_03F5C3B84E407E46583D32A8611D05F0" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_2034D58F0400680AA21732A8611DC49A" xlink:to="loc_us-gaap_SubsequentEventTable_03F5C3B84E407E46583D32A8611D05F0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_875B812BF02CFDB015DE32A8611D075E" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTable_03F5C3B84E407E46583D32A8611D05F0" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_875B812BF02CFDB015DE32A8611D075E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_E191BC00097C741EB89D32A8611DA3DD" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_875B812BF02CFDB015DE32A8611D075E" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_E191BC00097C741EB89D32A8611DA3DD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SubsequentEventMember" xlink:label="loc_us-gaap_SubsequentEventMember_EDB029D1C2F694AE96EB32A8611D7D00" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_E191BC00097C741EB89D32A8611DA3DD" xlink:to="loc_us-gaap_SubsequentEventMember_EDB029D1C2F694AE96EB32A8611D7D00" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SubsequentEventLineItems" xlink:label="loc_us-gaap_SubsequentEventLineItems_D658E3A8777031EC8A3E32A8611DB1E7" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTable_03F5C3B84E407E46583D32A8611D05F0" xlink:to="loc_us-gaap_SubsequentEventLineItems_D658E3A8777031EC8A3E32A8611DB1E7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DistributionMadeToLimitedPartnerDistributionsDeclaredPerUnit" xlink:label="loc_us-gaap_DistributionMadeToLimitedPartnerDistributionsDeclaredPerUnit_0272FCBB641D4B9B40C532A8611D1D14" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventLineItems_D658E3A8777031EC8A3E32A8611DB1E7" xlink:to="loc_us-gaap_DistributionMadeToLimitedPartnerDistributionsDeclaredPerUnit_0272FCBB641D4B9B40C532A8611D1D14" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DistributionMadeToLimitedPartnerCashDistributionsDeclared" xlink:label="loc_us-gaap_DistributionMadeToLimitedPartnerCashDistributionsDeclared_BD61770FFCF5C0DB18AD32A8611D6E82" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventLineItems_D658E3A8777031EC8A3E32A8611DB1E7" xlink:to="loc_us-gaap_DistributionMadeToLimitedPartnerCashDistributionsDeclared_BD61770FFCF5C0DB18AD32A8611D6E82" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/NetIncomePerLimitedPartnerUnitIncomeInExcessOfDistributionDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="loc_us-gaap_EarningsPerShareAbstract_B7427C8075A8D2D30B1A06C19BAF6E66" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_FF948889A321B259E6BC06C19BAF3E91" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_B7427C8075A8D2D30B1A06C19BAF6E66" xlink:to="loc_us-gaap_StatementTable_FF948889A321B259E6BC06C19BAF3E91" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LimitedPartnersCapitalAccountByClassAxis" xlink:label="loc_us-gaap_LimitedPartnersCapitalAccountByClassAxis_7E75B4FAD89DB341550C06C19BAFB954" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_FF948889A321B259E6BC06C19BAF3E91" xlink:to="loc_us-gaap_LimitedPartnersCapitalAccountByClassAxis_7E75B4FAD89DB341550C06C19BAFB954" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LimitedPartnersCapitalAccountClassDomain" xlink:label="loc_us-gaap_LimitedPartnersCapitalAccountClassDomain_36EC44E828AA961F2BFC06C19BAF5F80" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LimitedPartnersCapitalAccountByClassAxis_7E75B4FAD89DB341550C06C19BAFB954" xlink:to="loc_us-gaap_LimitedPartnersCapitalAccountClassDomain_36EC44E828AA961F2BFC06C19BAF5F80" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_CommonUnitsMember" xlink:label="loc_wlkp_CommonUnitsMember_5207C351D5DBDCC1AC6B06C19BB4796A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LimitedPartnersCapitalAccountClassDomain_36EC44E828AA961F2BFC06C19BAF5F80" xlink:to="loc_wlkp_CommonUnitsMember_5207C351D5DBDCC1AC6B06C19BB4796A" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_SubordinatedUnitsMember" xlink:label="loc_wlkp_SubordinatedUnitsMember_04088D903D7439A7EA9D06C19BB48F5B" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LimitedPartnersCapitalAccountClassDomain_36EC44E828AA961F2BFC06C19BAF5F80" xlink:to="loc_wlkp_SubordinatedUnitsMember_04088D903D7439A7EA9D06C19BB48F5B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_AF3FA97D242C14EFB6A806C19BB586CA" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_FF948889A321B259E6BC06C19BAF3E91" xlink:to="loc_us-gaap_StatementLineItems_AF3FA97D242C14EFB6A806C19BB586CA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_3821D1499AA1624EC9E606C19BB586D2" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_AF3FA97D242C14EFB6A806C19BB586CA" xlink:to="loc_us-gaap_NetIncomeLoss_3821D1499AA1624EC9E606C19BB586D2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DistributedEarnings" xlink:label="loc_us-gaap_DistributedEarnings_6F280EAF4AF8E610633A06C19BB52752" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_AF3FA97D242C14EFB6A806C19BB586CA" xlink:to="loc_us-gaap_DistributedEarnings_6F280EAF4AF8E610633A06C19BB52752" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_UndistributedEarnings" xlink:label="loc_us-gaap_UndistributedEarnings_86D309BE212C93DDB31E06C19BB59187" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_AF3FA97D242C14EFB6A806C19BB586CA" xlink:to="loc_us-gaap_UndistributedEarnings_86D309BE212C93DDB31E06C19BB59187" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/NetIncomePerLimitedPartnerUnitTables" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="loc_us-gaap_EarningsPerShareAbstract_13D3B7F899407E1B071132A860FE7B1D" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_2984AEAEB5414232DE0232A860FE8A14" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_13D3B7F899407E1B071132A860FE7B1D" xlink:to="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_2984AEAEB5414232DE0232A860FE8A14" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/OtherAssets" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherAssetsAbstract" xlink:label="loc_us-gaap_OtherAssetsAbstract_36E5051CEC885CCF9F7E32A8611D3B17" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InvestmentsAndOtherNoncurrentAssetsTextBlock" xlink:label="loc_us-gaap_InvestmentsAndOtherNoncurrentAssetsTextBlock_05B44602BA43DF18A73F32A8611D27E8" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherAssetsAbstract_36E5051CEC885CCF9F7E32A8611D3B17" xlink:to="loc_us-gaap_InvestmentsAndOtherNoncurrentAssetsTextBlock_05B44602BA43DF18A73F32A8611D27E8" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/OtherAssetsDetail" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherAssetsAbstract" xlink:label="loc_us-gaap_OtherAssetsAbstract_1317967216E8034386FA11B5EA64BF39" xlink:type="locator" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntitiesTable" xlink:label="loc_dei_EntitiesTable_D1F0C323D24272B11C8911C329B541B4" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherAssetsAbstract_1317967216E8034386FA11B5EA64BF39" xlink:to="loc_dei_EntitiesTable_D1F0C323D24272B11C8911C329B541B4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_E862DE93CFADCEC3ABF911B5EA65EA93" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntitiesTable_D1F0C323D24272B11C8911C329B541B4" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_E862DE93CFADCEC3ABF911B5EA65EA93" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_F5A4610BC47CD1514FCB11B5EA6510EB" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_E862DE93CFADCEC3ABF911B5EA65EA93" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_F5A4610BC47CD1514FCB11B5EA6510EB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherAssetsMember" xlink:label="loc_us-gaap_OtherAssetsMember_831D1975E8CE940D6CB411B5EA657310" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_F5A4610BC47CD1514FCB11B5EA6510EB" xlink:to="loc_us-gaap_OtherAssetsMember_831D1975E8CE940D6CB411B5EA657310" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_99FA665DC5C6A06C374711B5EA65989A" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntitiesTable_D1F0C323D24272B11C8911C329B541B4" xlink:to="loc_us-gaap_StatementScenarioAxis_99FA665DC5C6A06C374711B5EA65989A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_E1C26417837DEFF19B2511B5EA65490C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementScenarioAxis_99FA665DC5C6A06C374711B5EA65989A" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_E1C26417837DEFF19B2511B5EA65490C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PredecessorMember" xlink:label="loc_us-gaap_PredecessorMember_1B0B30A76E30BC74697211B5EA65B0A1" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_E1C26417837DEFF19B2511B5EA65490C" xlink:to="loc_us-gaap_PredecessorMember_1B0B30A76E30BC74697211B5EA65B0A1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityInformationLineItems" xlink:label="loc_dei_EntityInformationLineItems_2B2CDEC405E61EE6EF3F11C329BE17E5" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntitiesTable_D1F0C323D24272B11C8911C329B541B4" xlink:to="loc_dei_EntityInformationLineItems_2B2CDEC405E61EE6EF3F11C329BE17E5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AdjustmentForAmortization" xlink:label="loc_us-gaap_AdjustmentForAmortization_76417925D042DAE3055311B5EA659E9A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_2B2CDEC405E61EE6EF3F11C329BE17E5" xlink:to="loc_us-gaap_AdjustmentForAmortization_76417925D042DAE3055311B5EA659E9A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_5335D94A0695CE8DBD0E11B5EA65F7CD" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_2B2CDEC405E61EE6EF3F11C329BE17E5" xlink:to="loc_us-gaap_Goodwill_5335D94A0695CE8DBD0E11B5EA65F7CD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GoodwillPeriodIncreaseDecrease" xlink:label="loc_us-gaap_GoodwillPeriodIncreaseDecrease_111E14B108A4B31AF41311B5EA66B31F" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityInformationLineItems_2B2CDEC405E61EE6EF3F11C329BE17E5" xlink:to="loc_us-gaap_GoodwillPeriodIncreaseDecrease_111E14B108A4B31AF41311B5EA66B31F" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/PropertyPlantAndEquipment" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAbstract" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAbstract_1E1F306D016BA7FD051732A8615BCB76" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_D2BA0041DA7DD52E626932A8615BC150" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAbstract_1E1F306D016BA7FD051732A8615BCB76" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_D2BA0041DA7DD52E626932A8615BC150" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/PropertyPlantAndEquipmentDetail" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAbstract" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAbstract_93E6FBE293FC0111B2FC11812BAD206D" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_16759798A921C2617C30119105E5D9CD" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAbstract_93E6FBE293FC0111B2FC11812BAD206D" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_16759798A921C2617C30119105E5D9CD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_B4F769DAE567C4168057119126D2A381" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_16759798A921C2617C30119105E5D9CD" xlink:to="loc_us-gaap_StatementScenarioAxis_B4F769DAE567C4168057119126D2A381" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_7251411C468B213415AD1191281AF5B1" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementScenarioAxis_B4F769DAE567C4168057119126D2A381" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_7251411C468B213415AD1191281AF5B1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PredecessorMember" xlink:label="loc_us-gaap_PredecessorMember_FB14B682FAC06882A2B2119149530FF5" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_7251411C468B213415AD1191281AF5B1" xlink:to="loc_us-gaap_PredecessorMember_FB14B682FAC06882A2B2119149530FF5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_0A4739FF4349F6E79CB8119105E5F9EF" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_16759798A921C2617C30119105E5D9CD" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentLineItems_0A4739FF4349F6E79CB8119105E5F9EF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Depreciation" xlink:label="loc_us-gaap_Depreciation_2EC126B4CFB18971BAD4118CC17368FD" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_0A4739FF4349F6E79CB8119105E5F9EF" xlink:to="loc_us-gaap_Depreciation_2EC126B4CFB18971BAD4118CC17368FD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_F8E3F93EFE5C24BAB4A9118CC173FC70" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_0A4739FF4349F6E79CB8119105E5F9EF" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_F8E3F93EFE5C24BAB4A9118CC173FC70" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/RelatedPartyTransactions" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyTransactionsAbstract" xlink:label="loc_us-gaap_RelatedPartyTransactionsAbstract_9BC901B7A319033CF72532A8612CD3A7" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyTransactionsDisclosureTextBlock" xlink:label="loc_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_E76BC02AC032DEEBE17B32A8612CDDEB" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract_9BC901B7A319033CF72532A8612CD3A7" xlink:to="loc_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_E76BC02AC032DEEBE17B32A8612CDDEB" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/RelatedPartyTransactionsAccountsReceivableFromAndAccountsPayableToRelatedPartiesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyTransactionsAbstract" xlink:label="loc_us-gaap_RelatedPartyTransactionsAbstract_33B5C32ED23B98E4253F702DE52A982A" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_39871C1548E521702F97702DE52A8ACA" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract_33B5C32ED23B98E4253F702DE52A982A" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_39871C1548E521702F97702DE52A8ACA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_E152D0EA410802DE3CC4702DE52A69B9" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_39871C1548E521702F97702DE52A8ACA" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_E152D0EA410802DE3CC4702DE52A69B9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaap_RelatedPartyDomain_95CB58D5F4825251FE67702DE52AE060" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_E152D0EA410802DE3CC4702DE52A69B9" xlink:to="loc_us-gaap_RelatedPartyDomain_95CB58D5F4825251FE67702DE52AE060" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AffiliatedEntityMember" xlink:label="loc_us-gaap_AffiliatedEntityMember_2A75971588D869724103702DE52AF42B" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_95CB58D5F4825251FE67702DE52AE060" xlink:to="loc_us-gaap_AffiliatedEntityMember_2A75971588D869724103702DE52AF42B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CounterpartyNameAxis" xlink:label="loc_us-gaap_CounterpartyNameAxis_ADDB7E5046D590DC0D65702DE52A06DC" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_39871C1548E521702F97702DE52A8ACA" xlink:to="loc_us-gaap_CounterpartyNameAxis_ADDB7E5046D590DC0D65702DE52A06DC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RepurchaseAgreementCounterpartyNameDomain" xlink:label="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_DB906B821B21A8FBF546702DE52A552E" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CounterpartyNameAxis_ADDB7E5046D590DC0D65702DE52A06DC" xlink:to="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_DB906B821B21A8FBF546702DE52A552E" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember" xlink:label="loc_wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember_09DD74010DF9FF5FA815702DE52AD7A9" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_DB906B821B21A8FBF546702DE52A552E" xlink:to="loc_wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember_09DD74010DF9FF5FA815702DE52AD7A9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_156957EE527EE0959CCE702DE52A0702" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_39871C1548E521702F97702DE52A8ACA" xlink:to="loc_us-gaap_StatementScenarioAxis_156957EE527EE0959CCE702DE52A0702" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_E7FD0B107CC3648EABCD702DE52A470A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementScenarioAxis_156957EE527EE0959CCE702DE52A0702" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_E7FD0B107CC3648EABCD702DE52A470A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PredecessorMember" xlink:label="loc_us-gaap_PredecessorMember_AEE1BCFA7E2019DC6A2B702DE52A7B7F" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_E7FD0B107CC3648EABCD702DE52A470A" xlink:to="loc_us-gaap_PredecessorMember_AEE1BCFA7E2019DC6A2B702DE52A7B7F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyTransactionLineItems" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_1345DDE0D760CE2637F7702DE52AED61" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_39871C1548E521702F97702DE52A8ACA" xlink:to="loc_us-gaap_RelatedPartyTransactionLineItems_1345DDE0D760CE2637F7702DE52AED61" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccountsReceivableRelatedPartiesCurrent" xlink:label="loc_us-gaap_AccountsReceivableRelatedPartiesCurrent_C3DC4D9B55A9D3265E2B702DE52B67F0" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_1345DDE0D760CE2637F7702DE52AED61" xlink:to="loc_us-gaap_AccountsReceivableRelatedPartiesCurrent_C3DC4D9B55A9D3265E2B702DE52B67F0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccountsPayableRelatedPartiesCurrent" xlink:label="loc_us-gaap_AccountsPayableRelatedPartiesCurrent_60F906E35C3EB89AAF04702DE52B2D9D" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_1345DDE0D760CE2637F7702DE52AED61" xlink:to="loc_us-gaap_AccountsPayableRelatedPartiesCurrent_60F906E35C3EB89AAF04702DE52B2D9D" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/RelatedPartyTransactionsCostOfSalesFromRelatedPartiesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyTransactionsAbstract" xlink:label="loc_us-gaap_RelatedPartyTransactionsAbstract_D99C4D258FDBA85A0FCB06C19B7D7061" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_6DB6DC0C2ECCE76DFF2006C19B7D16DC" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract_D99C4D258FDBA85A0FCB06C19B7D7061" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_6DB6DC0C2ECCE76DFF2006C19B7D16DC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_BF6B1C8763D147B9C12506C19B7D6E86" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_6DB6DC0C2ECCE76DFF2006C19B7D16DC" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_BF6B1C8763D147B9C12506C19B7D6E86" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaap_RelatedPartyDomain_6DAB453FA1C7269FD1A306C19B7D8628" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_BF6B1C8763D147B9C12506C19B7D6E86" xlink:to="loc_us-gaap_RelatedPartyDomain_6DAB453FA1C7269FD1A306C19B7D8628" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AffiliatedEntityMember" xlink:label="loc_us-gaap_AffiliatedEntityMember_EECA24243F719A52619F06C19B7DAB35" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_6DAB453FA1C7269FD1A306C19B7D8628" xlink:to="loc_us-gaap_AffiliatedEntityMember_EECA24243F719A52619F06C19B7DAB35" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CounterpartyNameAxis" xlink:label="loc_us-gaap_CounterpartyNameAxis_44244A5766C4B25316F306C19B7DF2E5" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_6DB6DC0C2ECCE76DFF2006C19B7D16DC" xlink:to="loc_us-gaap_CounterpartyNameAxis_44244A5766C4B25316F306C19B7DF2E5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RepurchaseAgreementCounterpartyNameDomain" xlink:label="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_61BED1750D028A1FC26D06C19B7DF4CE" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CounterpartyNameAxis_44244A5766C4B25316F306C19B7DF2E5" xlink:to="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_61BED1750D028A1FC26D06C19B7DF4CE" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember" xlink:label="loc_wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember_A39446017330B28FC40806C19B7E81C7" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_61BED1750D028A1FC26D06C19B7DF4CE" xlink:to="loc_wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember_A39446017330B28FC40806C19B7E81C7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_87F4500598F8EB6AB6B806C19B7E96CC" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_6DB6DC0C2ECCE76DFF2006C19B7D16DC" xlink:to="loc_us-gaap_StatementScenarioAxis_87F4500598F8EB6AB6B806C19B7E96CC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_C4552EDFEBE57032A88406C19B7E5FA2" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementScenarioAxis_87F4500598F8EB6AB6B806C19B7E96CC" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_C4552EDFEBE57032A88406C19B7E5FA2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PredecessorMember" xlink:label="loc_us-gaap_PredecessorMember_C282426EDDBBB0752F5506C19B7E2448" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_C4552EDFEBE57032A88406C19B7E5FA2" xlink:to="loc_us-gaap_PredecessorMember_C282426EDDBBB0752F5506C19B7E2448" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyTransactionLineItems" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_4A7905E586B9B458C06006C19B7E79B1" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_6DB6DC0C2ECCE76DFF2006C19B7D16DC" xlink:to="loc_us-gaap_RelatedPartyTransactionLineItems_4A7905E586B9B458C06006C19B7E79B1" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_RelatedPartiesAmountInCostOfSalesFeedstockPurchased" xlink:label="loc_wlkp_RelatedPartiesAmountInCostOfSalesFeedstockPurchased_D39CC68F771EC8D6C45806C19B7EBAED" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_4A7905E586B9B458C06006C19B7E79B1" xlink:to="loc_wlkp_RelatedPartiesAmountInCostOfSalesFeedstockPurchased_D39CC68F771EC8D6C45806C19B7EBAED" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_CostOfGoodsSoldOther" xlink:label="loc_wlkp_CostOfGoodsSoldOther_9E6DBBCFF0BB450DCCC906C19B7E03AB" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_4A7905E586B9B458C06006C19B7E79B1" xlink:to="loc_wlkp_CostOfGoodsSoldOther_9E6DBBCFF0BB450DCCC906C19B7E03AB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CostOfGoodsSold" xlink:label="loc_us-gaap_CostOfGoodsSold_2E9AD3D8FCD7E315646B06C19B7E4D0F" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_4A7905E586B9B458C06006C19B7E79B1" xlink:to="loc_us-gaap_CostOfGoodsSold_2E9AD3D8FCD7E315646B06C19B7E4D0F" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/RelatedPartyTransactionsDebtPayableToRelatedPartiesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyTransactionsAbstract" xlink:label="loc_us-gaap_RelatedPartyTransactionsAbstract_EFADEE5717D1CE08590A06C19B3D9FE4" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_18C55BF288D562036B3706C19B3D4AF5" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract_EFADEE5717D1CE08590A06C19B3D9FE4" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_18C55BF288D562036B3706C19B3D4AF5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_AC2CA216EB0291D010A906C19B3D6EC5" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_18C55BF288D562036B3706C19B3D4AF5" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_AC2CA216EB0291D010A906C19B3D6EC5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_048B48A179DAE44BB6C606C19B3EACD1" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_AC2CA216EB0291D010A906C19B3D6EC5" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_048B48A179DAE44BB6C606C19B3EACD1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccruedLiabilitiesMember" xlink:label="loc_us-gaap_AccruedLiabilitiesMember_6042D97A89A9FB89976306C19B3E6DA9" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_048B48A179DAE44BB6C606C19B3EACD1" xlink:to="loc_us-gaap_AccruedLiabilitiesMember_6042D97A89A9FB89976306C19B3E6DA9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_872D4D74FBE82183CEED06C19B3E7D2F" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_18C55BF288D562036B3706C19B3D4AF5" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_872D4D74FBE82183CEED06C19B3E7D2F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_688F33D501E6BE1A9C9406C19B3EEC7E" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_872D4D74FBE82183CEED06C19B3E7D2F" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_688F33D501E6BE1A9C9406C19B3EEC7E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpenseMember" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpenseMember_5261E1123EFF447F567006C19B3EB337" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_688F33D501E6BE1A9C9406C19B3EEC7E" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpenseMember_5261E1123EFF447F567006C19B3EB337" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_6B807E854375A785A41006C19B3E9C79" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_18C55BF288D562036B3706C19B3D4AF5" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_6B807E854375A785A41006C19B3E9C79" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaap_RelatedPartyDomain_82A881E359388C90474A06C19B3EB24A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_6B807E854375A785A41006C19B3E9C79" xlink:to="loc_us-gaap_RelatedPartyDomain_82A881E359388C90474A06C19B3EB24A" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember" xlink:label="loc_wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember_7E291807C774BC359C1506C19B3EE32D" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_82A881E359388C90474A06C19B3EB24A" xlink:to="loc_wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember_7E291807C774BC359C1506C19B3EE32D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AffiliatedEntityMember" xlink:label="loc_us-gaap_AffiliatedEntityMember_EE20885A3D98DD187CA306C19B3EDD00" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_82A881E359388C90474A06C19B3EB24A" xlink:to="loc_us-gaap_AffiliatedEntityMember_EE20885A3D98DD187CA306C19B3EDD00" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CounterpartyNameAxis" xlink:label="loc_us-gaap_CounterpartyNameAxis_84DEEEB4B7A9236665C006C19B3E6B3B" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_18C55BF288D562036B3706C19B3D4AF5" xlink:to="loc_us-gaap_CounterpartyNameAxis_84DEEEB4B7A9236665C006C19B3E6B3B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RepurchaseAgreementCounterpartyNameDomain" xlink:label="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_CE188F5B8289B326622106C19B446349" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CounterpartyNameAxis_84DEEEB4B7A9236665C006C19B3E6B3B" xlink:to="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_CE188F5B8289B326622106C19B446349" xlink:type="arc" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_CE188F5B8289B326622106C19B446349" xlink:to="loc_wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember_7E291807C774BC359C1506C19B3EE32D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyTransactionLineItems" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_2EF3BA127F788901F6D606C19B4434BE" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_18C55BF288D562036B3706C19B3D4AF5" xlink:to="loc_us-gaap_RelatedPartyTransactionLineItems_2EF3BA127F788901F6D606C19B4434BE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestExpenseRelatedParty" xlink:label="loc_us-gaap_InterestExpenseRelatedParty_5D9A242A5B77C1AF2D7F06C19B44251C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_2EF3BA127F788901F6D606C19B4434BE" xlink:to="loc_us-gaap_InterestExpenseRelatedParty_5D9A242A5B77C1AF2D7F06C19B44251C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DueToRelatedPartiesNoncurrent" xlink:label="loc_us-gaap_DueToRelatedPartiesNoncurrent_2D68BC015F832171A36B06C19B44E1EF" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_2EF3BA127F788901F6D606C19B4434BE" xlink:to="loc_us-gaap_DueToRelatedPartiesNoncurrent_2D68BC015F832171A36B06C19B44E1EF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestCostsCapitalized" xlink:label="loc_us-gaap_InterestCostsCapitalized_EE28C3EF37BA83466A6306C19B455682" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_2EF3BA127F788901F6D606C19B4434BE" xlink:to="loc_us-gaap_InterestCostsCapitalized_EE28C3EF37BA83466A6306C19B455682" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestPayableCurrent" xlink:label="loc_us-gaap_InterestPayableCurrent_2BD166B27DE4C5889DFE06C19B45C211" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_2EF3BA127F788901F6D606C19B4434BE" xlink:to="loc_us-gaap_InterestPayableCurrent_2BD166B27DE4C5889DFE06C19B45C211" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/RelatedPartyTransactionsGeneralDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyTransactionsAbstract" xlink:label="loc_us-gaap_RelatedPartyTransactionsAbstract_132A3DF7C9E3080435FAD7EC3AC5BB16" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_3A694277E34240B6B087D7EC3AC54341" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract_132A3DF7C9E3080435FAD7EC3AC5BB16" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_3A694277E34240B6B087D7EC3AC54341" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyTransactionAxis" xlink:label="loc_us-gaap_RelatedPartyTransactionAxis_03FC9A84F183947151BED7EC3AC5BA3E" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_3A694277E34240B6B087D7EC3AC54341" xlink:to="loc_us-gaap_RelatedPartyTransactionAxis_03FC9A84F183947151BED7EC3AC5BA3E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyTransactionDomain" xlink:label="loc_us-gaap_RelatedPartyTransactionDomain_B8A920B477CA6093C6E6D7EC3AC5C8C9" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionAxis_03FC9A84F183947151BED7EC3AC5BA3E" xlink:to="loc_us-gaap_RelatedPartyTransactionDomain_B8A920B477CA6093C6E6D7EC3AC5C8C9" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_SiteLeaseAgreementMember" xlink:label="loc_wlkp_SiteLeaseAgreementMember_BECDA4C9EC5F67CF9FC0D7EC3AC50ED9" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionDomain_B8A920B477CA6093C6E6D7EC3AC5C8C9" xlink:to="loc_wlkp_SiteLeaseAgreementMember_BECDA4C9EC5F67CF9FC0D7EC3AC50ED9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_146799904BD12D56771AD7EC3AC537BA" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_3A694277E34240B6B087D7EC3AC54341" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_146799904BD12D56771AD7EC3AC537BA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaap_RelatedPartyDomain_37356ED72C6E507B3750D7EC3AC5ACE5" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_146799904BD12D56771AD7EC3AC537BA" xlink:to="loc_us-gaap_RelatedPartyDomain_37356ED72C6E507B3750D7EC3AC5ACE5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AffiliatedEntityMember" xlink:label="loc_us-gaap_AffiliatedEntityMember_841FCA975139CFDA59C9D7EC3AC593E4" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_37356ED72C6E507B3750D7EC3AC5ACE5" xlink:to="loc_us-gaap_AffiliatedEntityMember_841FCA975139CFDA59C9D7EC3AC593E4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CounterpartyNameAxis" xlink:label="loc_us-gaap_CounterpartyNameAxis_8AD7E2841D230146E419D7EC3AC550B2" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_3A694277E34240B6B087D7EC3AC54341" xlink:to="loc_us-gaap_CounterpartyNameAxis_8AD7E2841D230146E419D7EC3AC550B2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RepurchaseAgreementCounterpartyNameDomain" xlink:label="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_AA430D24DC62D9177220D7EC3AC61F1D" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CounterpartyNameAxis_8AD7E2841D230146E419D7EC3AC550B2" xlink:to="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_AA430D24DC62D9177220D7EC3AC61F1D" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember" xlink:label="loc_wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember_9932B4F288AFC722C052D7EC3AC67722" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_AA430D24DC62D9177220D7EC3AC61F1D" xlink:to="loc_wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember_9932B4F288AFC722C052D7EC3AC67722" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_973533C0429FF370B70CD7EC3AC63247" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_3A694277E34240B6B087D7EC3AC54341" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_973533C0429FF370B70CD7EC3AC63247" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_F280A7CE09116CE163DBD7EC3AC6189A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_973533C0429FF370B70CD7EC3AC63247" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_F280A7CE09116CE163DBD7EC3AC6189A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SeniorNotesMember" xlink:label="loc_us-gaap_SeniorNotesMember_BA87BCCAEB39FF5F6054D7EC3AC6E16A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_F280A7CE09116CE163DBD7EC3AC6189A" xlink:to="loc_us-gaap_SeniorNotesMember_BA87BCCAEB39FF5F6054D7EC3AC6E16A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:label="loc_us-gaap_CreditFacilityAxis_EEECFB462BC7E064C7CFD7EC3AC663CF" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_3A694277E34240B6B087D7EC3AC54341" xlink:to="loc_us-gaap_CreditFacilityAxis_EEECFB462BC7E064C7CFD7EC3AC663CF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_1864B9BF778BC6BF4F10D7EC3AC62080" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityAxis_EEECFB462BC7E064C7CFD7EC3AC663CF" xlink:to="loc_us-gaap_CreditFacilityDomain_1864B9BF778BC6BF4F10D7EC3AC62080" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RevolvingCreditFacilityMember" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_7E711B0606C49DF6D7F3D7EC3AC61AC9" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_1864B9BF778BC6BF4F10D7EC3AC62080" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_7E711B0606C49DF6D7F3D7EC3AC61AC9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_2404F2BE15C93E14ED13D7EC3AC6E973" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_3A694277E34240B6B087D7EC3AC54341" xlink:to="loc_dei_LegalEntityAxis_2404F2BE15C93E14ED13D7EC3AC6E973" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_693FF953081333EB75CFD7EC3AC631B1" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_2404F2BE15C93E14ED13D7EC3AC6E973" xlink:to="loc_dei_EntityDomain_693FF953081333EB75CFD7EC3AC631B1" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_WestlakeChemicalOpCoLPMember" xlink:label="loc_wlkp_WestlakeChemicalOpCoLPMember_A48BAF9210F7AF44CEDAD7EC3AC605EB" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_693FF953081333EB75CFD7EC3AC631B1" xlink:to="loc_wlkp_WestlakeChemicalOpCoLPMember_A48BAF9210F7AF44CEDAD7EC3AC605EB" xlink:type="arc" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_693FF953081333EB75CFD7EC3AC631B1" xlink:to="loc_wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember_9932B4F288AFC722C052D7EC3AC67722" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyTransactionLineItems" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_AE221F7A583C7E4174EFD7EC3AC66E62" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_3A694277E34240B6B087D7EC3AC54341" xlink:to="loc_us-gaap_RelatedPartyTransactionLineItems_AE221F7A583C7E4174EFD7EC3AC66E62" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LettersOfCreditOutstandingAmount" xlink:label="loc_us-gaap_LettersOfCreditOutstandingAmount_AFB2ED3039D732AED505D7EC3AC67883" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_AE221F7A583C7E4174EFD7EC3AC66E62" xlink:to="loc_us-gaap_LettersOfCreditOutstandingAmount_AFB2ED3039D732AED505D7EC3AC67883" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_042CCAD88A6A558688DBD7EC3AC624F1" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_AE221F7A583C7E4174EFD7EC3AC66E62" xlink:to="loc_us-gaap_LongTermDebt_042CCAD88A6A558688DBD7EC3AC624F1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentUnamortizedDiscount" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscount_7155659017131E9B6A21D7EC3AC6C33C" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_AE221F7A583C7E4174EFD7EC3AC66E62" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscount_7155659017131E9B6A21D7EC3AC6C33C" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_LesseeLeasingArrangementsOperatingLeasesNumber" xlink:label="loc_wlkp_LesseeLeasingArrangementsOperatingLeasesNumber_4E5A3A6F9D04475042BDD7EC3AC6AC21" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_AE221F7A583C7E4174EFD7EC3AC66E62" xlink:to="loc_wlkp_LesseeLeasingArrangementsOperatingLeasesNumber_4E5A3A6F9D04475042BDD7EC3AC6AC21" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LesseeLeasingArrangementsOperatingLeasesTermOfContract" xlink:label="loc_us-gaap_LesseeLeasingArrangementsOperatingLeasesTermOfContract_78E7ACC37C6F40120BF0D7EC3AC64576" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_AE221F7A583C7E4174EFD7EC3AC66E62" xlink:to="loc_us-gaap_LesseeLeasingArrangementsOperatingLeasesTermOfContract_78E7ACC37C6F40120BF0D7EC3AC64576" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LeaseAndRentalExpense" xlink:label="loc_us-gaap_LeaseAndRentalExpense_B2CCD52EBEF76677AD6CD7EC3AC68F03" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_AE221F7A583C7E4174EFD7EC3AC66E62" xlink:to="loc_us-gaap_LeaseAndRentalExpense_B2CCD52EBEF76677AD6CD7EC3AC68F03" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/RelatedPartyTransactionsGoodsAndServicesFromRelatedPartiesThatHaveBeenCapitalizedDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyTransactionsAbstract" xlink:label="loc_us-gaap_RelatedPartyTransactionsAbstract_D6901C10D6A23AE09E7C7C4A8795D7D8" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_D377A82CF5FB8966A6B87C4A8795DD2C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract_D6901C10D6A23AE09E7C7C4A8795D7D8" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_D377A82CF5FB8966A6B87C4A8795DD2C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_90B964184BC116BE141C7C4A87957F10" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_D377A82CF5FB8966A6B87C4A8795DD2C" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_90B964184BC116BE141C7C4A87957F10" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaap_RelatedPartyDomain_3E5820C0CADA48FBBA2C7C4A8795F070" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_90B964184BC116BE141C7C4A87957F10" xlink:to="loc_us-gaap_RelatedPartyDomain_3E5820C0CADA48FBBA2C7C4A8795F070" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AffiliatedEntityMember" xlink:label="loc_us-gaap_AffiliatedEntityMember_E00FB62B27F7195716597C4A8795D26C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_3E5820C0CADA48FBBA2C7C4A8795F070" xlink:to="loc_us-gaap_AffiliatedEntityMember_E00FB62B27F7195716597C4A8795D26C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CounterpartyNameAxis" xlink:label="loc_us-gaap_CounterpartyNameAxis_310443F3FA13273447657C4A87954D1B" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_D377A82CF5FB8966A6B87C4A8795DD2C" xlink:to="loc_us-gaap_CounterpartyNameAxis_310443F3FA13273447657C4A87954D1B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RepurchaseAgreementCounterpartyNameDomain" xlink:label="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_020FA3C03B56EB02B50C7C4A87959390" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CounterpartyNameAxis_310443F3FA13273447657C4A87954D1B" xlink:to="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_020FA3C03B56EB02B50C7C4A87959390" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember" xlink:label="loc_wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember_857847FAC624753F33A77C4A8795E1C1" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_020FA3C03B56EB02B50C7C4A87959390" xlink:to="loc_wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember_857847FAC624753F33A77C4A8795E1C1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_46E43EDB03CB9DBE57737C4A8795B88D" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_D377A82CF5FB8966A6B87C4A8795DD2C" xlink:to="loc_us-gaap_StatementScenarioAxis_46E43EDB03CB9DBE57737C4A8795B88D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_5E9A1DF0DC3BFDB4F68F7C4A87951385" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementScenarioAxis_46E43EDB03CB9DBE57737C4A8795B88D" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_5E9A1DF0DC3BFDB4F68F7C4A87951385" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PredecessorMember" xlink:label="loc_us-gaap_PredecessorMember_D09CC15D2FC51A029C4D7C4A8795E186" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_5E9A1DF0DC3BFDB4F68F7C4A87951385" xlink:to="loc_us-gaap_PredecessorMember_D09CC15D2FC51A029C4D7C4A8795E186" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyTransactionLineItems" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_63D987BA496120E35EF27C4A8795492D" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_D377A82CF5FB8966A6B87C4A8795DD2C" xlink:to="loc_us-gaap_RelatedPartyTransactionLineItems_63D987BA496120E35EF27C4A8795492D" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_RelatedPartyTransactionPurchasesFromRelatedPartyCapitalizedAsAssets" xlink:label="loc_wlkp_RelatedPartyTransactionPurchasesFromRelatedPartyCapitalizedAsAssets_2D0D6BDCB80F190F49837C4A89F53957" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_63D987BA496120E35EF27C4A8795492D" xlink:to="loc_wlkp_RelatedPartyTransactionPurchasesFromRelatedPartyCapitalizedAsAssets_2D0D6BDCB80F190F49837C4A89F53957" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/RelatedPartyTransactionsSalesToRelatedPartiesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyTransactionsAbstract" xlink:label="loc_us-gaap_RelatedPartyTransactionsAbstract_D0EAEC5F15F496DBDBE4C94A6AD1D4D4" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_641A40B90CCC96E1A5D3C94A6AD1C20A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract_D0EAEC5F15F496DBDBE4C94A6AD1D4D4" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_641A40B90CCC96E1A5D3C94A6AD1C20A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_69BCA8973FCC79A7F7FAC94A6AD12757" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_641A40B90CCC96E1A5D3C94A6AD1C20A" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_69BCA8973FCC79A7F7FAC94A6AD12757" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaap_RelatedPartyDomain_0CBEB4303D8741E8C3FFC94A6AD14986" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_69BCA8973FCC79A7F7FAC94A6AD12757" xlink:to="loc_us-gaap_RelatedPartyDomain_0CBEB4303D8741E8C3FFC94A6AD14986" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AffiliatedEntityMember" xlink:label="loc_us-gaap_AffiliatedEntityMember_5ABF108CC0F71BF6AEFBC94A6AD10FBC" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_0CBEB4303D8741E8C3FFC94A6AD14986" xlink:to="loc_us-gaap_AffiliatedEntityMember_5ABF108CC0F71BF6AEFBC94A6AD10FBC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CounterpartyNameAxis" xlink:label="loc_us-gaap_CounterpartyNameAxis_EDAA1B6150040C7441EFC94A6AD2B475" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_641A40B90CCC96E1A5D3C94A6AD1C20A" xlink:to="loc_us-gaap_CounterpartyNameAxis_EDAA1B6150040C7441EFC94A6AD2B475" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RepurchaseAgreementCounterpartyNameDomain" xlink:label="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_A1A3DFCA2295846B5681C94A6AD2AB06" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CounterpartyNameAxis_EDAA1B6150040C7441EFC94A6AD2B475" xlink:to="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_A1A3DFCA2295846B5681C94A6AD2AB06" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember" xlink:label="loc_wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember_150EDA7D5C6E3C4A7D00C94A6AD2012D" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_A1A3DFCA2295846B5681C94A6AD2AB06" xlink:to="loc_wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember_150EDA7D5C6E3C4A7D00C94A6AD2012D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_9E414F6EEB58AEA98C82C94A6AD2BA00" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_641A40B90CCC96E1A5D3C94A6AD1C20A" xlink:to="loc_us-gaap_StatementScenarioAxis_9E414F6EEB58AEA98C82C94A6AD2BA00" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_7CBE96BF1CC63B797AC6C94A6AD2C9E1" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementScenarioAxis_9E414F6EEB58AEA98C82C94A6AD2BA00" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_7CBE96BF1CC63B797AC6C94A6AD2C9E1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PredecessorMember" xlink:label="loc_us-gaap_PredecessorMember_D7BC885AC83DFB644741C94A6AD26DF2" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_7CBE96BF1CC63B797AC6C94A6AD2C9E1" xlink:to="loc_us-gaap_PredecessorMember_D7BC885AC83DFB644741C94A6AD26DF2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyTransactionLineItems" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_08BD22BCBE2AE1784506C94A6AD2163F" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_641A40B90CCC96E1A5D3C94A6AD1C20A" xlink:to="loc_us-gaap_RelatedPartyTransactionLineItems_08BD22BCBE2AE1784506C94A6AD2163F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RevenueFromRelatedParties" xlink:label="loc_us-gaap_RevenueFromRelatedParties_EB6FC6531F303C9CE550C94A6AD2BB46" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_08BD22BCBE2AE1784506C94A6AD2163F" xlink:to="loc_us-gaap_RevenueFromRelatedParties_EB6FC6531F303C9CE550C94A6AD2BB46" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/RelatedPartyTransactionsServicesFromRelatedPartiesIncludedInSgaExpensesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyTransactionsAbstract" xlink:label="loc_us-gaap_RelatedPartyTransactionsAbstract_016F2E6D80DA57676F8C073252ECA32C" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_34A649C20AEB31836EEB073252EC68B4" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract_016F2E6D80DA57676F8C073252ECA32C" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_34A649C20AEB31836EEB073252EC68B4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_D78D4761179610BAA619073252EC2C4B" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_34A649C20AEB31836EEB073252EC68B4" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_D78D4761179610BAA619073252EC2C4B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaap_RelatedPartyDomain_0B29115EF9209D364723073252ECBEB6" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_D78D4761179610BAA619073252EC2C4B" xlink:to="loc_us-gaap_RelatedPartyDomain_0B29115EF9209D364723073252ECBEB6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AffiliatedEntityMember" xlink:label="loc_us-gaap_AffiliatedEntityMember_BEB5AAE260351B732503073252EC1A41" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_0B29115EF9209D364723073252ECBEB6" xlink:to="loc_us-gaap_AffiliatedEntityMember_BEB5AAE260351B732503073252EC1A41" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CounterpartyNameAxis" xlink:label="loc_us-gaap_CounterpartyNameAxis_5AF982F12FAF47FF2011073252EC2AB9" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_34A649C20AEB31836EEB073252EC68B4" xlink:to="loc_us-gaap_CounterpartyNameAxis_5AF982F12FAF47FF2011073252EC2AB9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RepurchaseAgreementCounterpartyNameDomain" xlink:label="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_F4D6CFE594A62F6DF9B1073252EC234A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CounterpartyNameAxis_5AF982F12FAF47FF2011073252EC2AB9" xlink:to="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_F4D6CFE594A62F6DF9B1073252EC234A" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember" xlink:label="loc_wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember_EAE69261430180A40CD9073252EC4F53" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_F4D6CFE594A62F6DF9B1073252EC234A" xlink:to="loc_wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember_EAE69261430180A40CD9073252EC4F53" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_B3F29EBD1391537B6808073252ECC8F2" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_34A649C20AEB31836EEB073252EC68B4" xlink:to="loc_us-gaap_StatementScenarioAxis_B3F29EBD1391537B6808073252ECC8F2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_D21DB3C44287BAF4D99E073252ECDD90" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementScenarioAxis_B3F29EBD1391537B6808073252ECC8F2" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_D21DB3C44287BAF4D99E073252ECDD90" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PredecessorMember" xlink:label="loc_us-gaap_PredecessorMember_69679706D48008A09786073252EC865C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_D21DB3C44287BAF4D99E073252ECDD90" xlink:to="loc_us-gaap_PredecessorMember_69679706D48008A09786073252EC865C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyTransactionLineItems" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_0E1D22C052D1A36143B7073252EC992A" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_34A649C20AEB31836EEB073252EC68B4" xlink:to="loc_us-gaap_RelatedPartyTransactionLineItems_0E1D22C052D1A36143B7073252EC992A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty" xlink:label="loc_us-gaap_RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty_B2993CF93BE118D09CA5075847E8683C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_0E1D22C052D1A36143B7073252EC992A" xlink:to="loc_us-gaap_RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty_B2993CF93BE118D09CA5075847E8683C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_0205543B89C743CBB206073252EC4AF6" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_0E1D22C052D1A36143B7073252EC992A" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_0205543B89C743CBB206073252EC4AF6" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/RelatedPartyTransactionsTables" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyTransactionsAbstract" xlink:label="loc_us-gaap_RelatedPartyTransactionsAbstract_40C4735228732DD6E17F32A861B9A276" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock_48A99754A64B63CC707D32A861B95A5C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract_40C4735228732DD6E17F32A861B9A276" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock_48A99754A64B63CC707D32A861B95A5C" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/SubsequentEvents" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SubsequentEventsAbstract" xlink:label="loc_us-gaap_SubsequentEventsAbstract_8585FFD080D48C90F1C432A8614CC772" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SubsequentEventsTextBlock" xlink:label="loc_us-gaap_SubsequentEventsTextBlock_1A93EEAF6B2D894DA85E32A8614C69D3" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventsAbstract_8585FFD080D48C90F1C432A8614CC772" xlink:to="loc_us-gaap_SubsequentEventsTextBlock_1A93EEAF6B2D894DA85E32A8614C69D3" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/SubsequentEventsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SubsequentEventsAbstract" xlink:label="loc_us-gaap_SubsequentEventsAbstract_2B593ACEA15D9BB375932A0869CF5377" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SubsequentEventTable" xlink:label="loc_us-gaap_SubsequentEventTable_636F9385A107BCEDBD062A0869D0D684" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventsAbstract_2B593ACEA15D9BB375932A0869CF5377" xlink:to="loc_us-gaap_SubsequentEventTable_636F9385A107BCEDBD062A0869D0D684" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_F30BC9AD8583A28436352A0869D026DC" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTable_636F9385A107BCEDBD062A0869D0D684" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_F30BC9AD8583A28436352A0869D026DC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_CA6630F47228B4CB07DC2A0869D1328C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_F30BC9AD8583A28436352A0869D026DC" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_CA6630F47228B4CB07DC2A0869D1328C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SubsequentEventMember" xlink:label="loc_us-gaap_SubsequentEventMember_0ADA247D576DD64A7B812A0869D1D267" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_CA6630F47228B4CB07DC2A0869D1328C" xlink:to="loc_us-gaap_SubsequentEventMember_0ADA247D576DD64A7B812A0869D1D267" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PartnerTypeOfPartnersCapitalAccountAxis" xlink:label="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountAxis_D73A30EB6FA130E1F66C2A0869D1AB4A" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTable_636F9385A107BCEDBD062A0869D0D684" xlink:to="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountAxis_D73A30EB6FA130E1F66C2A0869D1AB4A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain" xlink:label="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain_4F32C956DB6BDBCC7B9A2A0869D19353" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountAxis_D73A30EB6FA130E1F66C2A0869D1AB4A" xlink:to="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain_4F32C956DB6BDBCC7B9A2A0869D19353" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LimitedPartnerMember" xlink:label="loc_us-gaap_LimitedPartnerMember_68727560E485981F76FE2A0869D1015B" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain_4F32C956DB6BDBCC7B9A2A0869D19353" xlink:to="loc_us-gaap_LimitedPartnerMember_68727560E485981F76FE2A0869D1015B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_6803191B36603A3BBCFA2A0869D10668" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTable_636F9385A107BCEDBD062A0869D0D684" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_6803191B36603A3BBCFA2A0869D10668" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_19AD5515CDB652F3F03B2A0869D18EB7" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_6803191B36603A3BBCFA2A0869D10668" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_19AD5515CDB652F3F03B2A0869D18EB7" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_WestlakeChemicalOpCoLPMember" xlink:label="loc_wlkp_WestlakeChemicalOpCoLPMember_996993304F3FC03852D02A0869D14E18" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_19AD5515CDB652F3F03B2A0869D18EB7" xlink:to="loc_wlkp_WestlakeChemicalOpCoLPMember_996993304F3FC03852D02A0869D14E18" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_F236A38361440F062E612A0869D1EF4B" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTable_636F9385A107BCEDBD062A0869D0D684" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_F236A38361440F062E612A0869D1EF4B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaap_RelatedPartyDomain_51BBC5107082018E7A812A0869D1F1D6" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_F236A38361440F062E612A0869D1EF4B" xlink:to="loc_us-gaap_RelatedPartyDomain_51BBC5107082018E7A812A0869D1F1D6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SubsidiaryOfCommonParentMember" xlink:label="loc_us-gaap_SubsidiaryOfCommonParentMember_8C69F5E74677FDF59F632A0869D1E1E3" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_51BBC5107082018E7A812A0869D1F1D6" xlink:to="loc_us-gaap_SubsidiaryOfCommonParentMember_8C69F5E74677FDF59F632A0869D1E1E3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:label="loc_us-gaap_CreditFacilityAxis_55C1B541FE553079BA352A0869D1F1F7" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTable_636F9385A107BCEDBD062A0869D0D684" xlink:to="loc_us-gaap_CreditFacilityAxis_55C1B541FE553079BA352A0869D1F1F7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_3D9C4E67745610975D5C2A0869D140AF" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityAxis_55C1B541FE553079BA352A0869D1F1F7" xlink:to="loc_us-gaap_CreditFacilityDomain_3D9C4E67745610975D5C2A0869D140AF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RevolvingCreditFacilityMember" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_9510B2DD697745190B862A0869D19351" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_3D9C4E67745610975D5C2A0869D140AF" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_9510B2DD697745190B862A0869D19351" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SubsequentEventLineItems" xlink:label="loc_us-gaap_SubsequentEventLineItems_6B0613B6ADBED14CF3842A0869D28F63" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTable_636F9385A107BCEDBD062A0869D0D684" xlink:to="loc_us-gaap_SubsequentEventLineItems_6B0613B6ADBED14CF3842A0869D28F63" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_LimitedPartnershipOwnershipPercentageIncrease" xlink:label="loc_wlkp_LimitedPartnershipOwnershipPercentageIncrease_D0BCC2500DA663A35E382A0869D27350" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventLineItems_6B0613B6ADBED14CF3842A0869D28F63" xlink:to="loc_wlkp_LimitedPartnershipOwnershipPercentageIncrease_D0BCC2500DA663A35E382A0869D27350" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsToAcquireLimitedPartnershipInterests" xlink:label="loc_us-gaap_PaymentsToAcquireLimitedPartnershipInterests_5B99D1EDD3DBD6F0A2B22A0869D222C5" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventLineItems_6B0613B6ADBED14CF3842A0869D28F63" xlink:to="loc_us-gaap_PaymentsToAcquireLimitedPartnershipInterests_5B99D1EDD3DBD6F0A2B22A0869D222C5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersOwnershipInterest" xlink:label="loc_us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersOwnershipInterest_C9D0CA7E6A4C2AC84ED02A0869D2DC5C" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventLineItems_6B0613B6ADBED14CF3842A0869D28F63" xlink:to="loc_us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersOwnershipInterest_C9D0CA7E6A4C2AC84ED02A0869D2DC5C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_01DA8335B2BE63C3A91C2A0869D23507" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventLineItems_6B0613B6ADBED14CF3842A0869D28F63" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_01DA8335B2BE63C3A91C2A0869D23507" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DistributionMadeToLimitedPartnerDistributionsDeclaredPerUnit" xlink:label="loc_us-gaap_DistributionMadeToLimitedPartnerDistributionsDeclaredPerUnit_5E18A7DB92A7346626942A0869D2E2BD" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventLineItems_6B0613B6ADBED14CF3842A0869D28F63" xlink:to="loc_us-gaap_DistributionMadeToLimitedPartnerDistributionsDeclaredPerUnit_5E18A7DB92A7346626942A0869D2E2BD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DistributionMadeToLimitedPartnerCashDistributionsDeclared" xlink:label="loc_us-gaap_DistributionMadeToLimitedPartnerCashDistributionsDeclared_706350A46123DBA4340D2A0869D2A405" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventLineItems_6B0613B6ADBED14CF3842A0869D28F63" xlink:to="loc_us-gaap_DistributionMadeToLimitedPartnerCashDistributionsDeclared_706350A46123DBA4340D2A0869D2A405" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/SupplementalInformation" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_99F6F0344650FCCF06B832A8613C6D8C" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AdditionalFinancialInformationDisclosureTextBlock" xlink:label="loc_us-gaap_AdditionalFinancialInformationDisclosureTextBlock_5FFCB2FF2715EB7DD73032A8613C7E89" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_99F6F0344650FCCF06B832A8613C6D8C" xlink:to="loc_us-gaap_AdditionalFinancialInformationDisclosureTextBlock_5FFCB2FF2715EB7DD73032A8613C7E89" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/SupplementalInformationDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_AE98346046E595D922C511860C872931" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_374A018D2B2D6B0E704211860C87662C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_AE98346046E595D922C511860C872931" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_374A018D2B2D6B0E704211860C87662C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_27D777456A22FACEC552118628EFBB1E" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_374A018D2B2D6B0E704211860C87662C" xlink:to="loc_us-gaap_StatementScenarioAxis_27D777456A22FACEC552118628EFBB1E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_424B670C71DF7955DDF81186298B76EB" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementScenarioAxis_27D777456A22FACEC552118628EFBB1E" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_424B670C71DF7955DDF81186298B76EB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PredecessorMember" xlink:label="loc_us-gaap_PredecessorMember_03C083901756C03C1E791186476A53AC" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_424B670C71DF7955DDF81186298B76EB" xlink:to="loc_us-gaap_PredecessorMember_03C083901756C03C1E791186476A53AC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CounterpartyNameAxis" xlink:label="loc_us-gaap_CounterpartyNameAxis_01A0FAA7C41956DAC0E211860C87DD69" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_374A018D2B2D6B0E704211860C87662C" xlink:to="loc_us-gaap_CounterpartyNameAxis_01A0FAA7C41956DAC0E211860C87DD69" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RepurchaseAgreementCounterpartyNameDomain" xlink:label="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_F4452AB3F2693BA20E7C11860C876891" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CounterpartyNameAxis_01A0FAA7C41956DAC0E211860C87DD69" xlink:to="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_F4452AB3F2693BA20E7C11860C876891" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember" xlink:label="loc_wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember_5CDFA7585848D346C94E11860C877D69" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RepurchaseAgreementCounterpartyNameDomain_F4452AB3F2693BA20E7C11860C876891" xlink:to="loc_wlkp_ParentCompanyAndSubsidiariesExcludingReportingEntityAndSubsidiariesMember_5CDFA7585848D346C94E11860C877D69" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_34E523B0FBB274F4153511860C879814" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_374A018D2B2D6B0E704211860C87662C" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_34E523B0FBB274F4153511860C879814" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaap_RelatedPartyDomain_4788268EA03DCC89BE8511860C975C1D" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_34E523B0FBB274F4153511860C879814" xlink:to="loc_us-gaap_RelatedPartyDomain_4788268EA03DCC89BE8511860C975C1D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AffiliatedEntityMember" xlink:label="loc_us-gaap_AffiliatedEntityMember_20BAD62B660266BEAF8F11860C976DED" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyDomain_4788268EA03DCC89BE8511860C975C1D" xlink:to="loc_us-gaap_AffiliatedEntityMember_20BAD62B660266BEAF8F11860C976DED" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RelatedPartyTransactionLineItems" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_BC2C04159DFCC14C448711860C978938" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_374A018D2B2D6B0E704211860C87662C" xlink:to="loc_us-gaap_RelatedPartyTransactionLineItems_BC2C04159DFCC14C448711860C978938" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_InterestIncurredAddedtoDebtOutstanding" xlink:label="loc_wlkp_InterestIncurredAddedtoDebtOutstanding_7E1F264631637A383A0B11860C976E4F" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_BC2C04159DFCC14C448711860C978938" xlink:to="loc_wlkp_InterestIncurredAddedtoDebtOutstanding_7E1F264631637A383A0B11860C976E4F" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_IncreaseDecreaseinCapitalExpenditureAccrual" xlink:label="loc_wlkp_IncreaseDecreaseinCapitalExpenditureAccrual_E6604F6E088EE82BDED711860C971B07" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_BC2C04159DFCC14C448711860C978938" xlink:to="loc_wlkp_IncreaseDecreaseinCapitalExpenditureAccrual_E6604F6E088EE82BDED711860C971B07" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestPaidNet" xlink:label="loc_us-gaap_InterestPaidNet_9C1AFB9279D41E585AAA11860C9715E4" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_BC2C04159DFCC14C448711860C978938" xlink:to="loc_us-gaap_InterestPaidNet_9C1AFB9279D41E585AAA11860C9715E4" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/UnitBasedCompensation" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_DC24365E3D4FF49CB3AB2625AA01983D" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_A17CB39631FC7CCE450B2625AA01A55A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_DC24365E3D4FF49CB3AB2625AA01983D" xlink:to="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_A17CB39631FC7CCE450B2625AA01A55A" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.westlake.com/role/UnitBasedCompensationDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_A9BBFD6FAF15D5A56E757AADC60DF9D8" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_D4132228E67D3AC72C9D7AADC6128A7C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_A9BBFD6FAF15D5A56E757AADC60DF9D8" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_D4132228E67D3AC72C9D7AADC6128A7C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="loc_us-gaap_PlanNameAxis_AC249AC8821D6D7722CB7AADC612A0A7" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_D4132228E67D3AC72C9D7AADC6128A7C" xlink:to="loc_us-gaap_PlanNameAxis_AC249AC8821D6D7722CB7AADC612A0A7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain_0AC153D4F90D2A02C87C7AADC61242CB" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PlanNameAxis_AC249AC8821D6D7722CB7AADC612A0A7" xlink:to="loc_us-gaap_PlanNameDomain_0AC153D4F90D2A02C87C7AADC61242CB" xlink:type="arc" />
    <loc xlink:href="wlkp-20150331.xsd#wlkp_WestlakeChemicalPartnersLPLTIncentivePlanMember" xlink:label="loc_wlkp_WestlakeChemicalPartnersLPLTIncentivePlanMember_031339196B09BCCCE3EC7AADC6129137" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PlanNameDomain_0AC153D4F90D2A02C87C7AADC61242CB" xlink:to="loc_wlkp_WestlakeChemicalPartnersLPLTIncentivePlanMember_031339196B09BCCCE3EC7AADC6129137" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_A40698084DE72611EB667AADC6124734" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_D4132228E67D3AC72C9D7AADC6128A7C" xlink:to="loc_us-gaap_AwardTypeAxis_A40698084DE72611EB667AADC6124734" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_9381DB97B18C7147400D7AADC6129AC6" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_A40698084DE72611EB667AADC6124734" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_9381DB97B18C7147400D7AADC6129AC6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PhantomShareUnitsPSUsMember" xlink:label="loc_us-gaap_PhantomShareUnitsPSUsMember_F600CEA43585AFB49C067AADC612F2E5" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_9381DB97B18C7147400D7AADC6129AC6" xlink:to="loc_us-gaap_PhantomShareUnitsPSUsMember_F600CEA43585AFB49C067AADC612F2E5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_C2194A0FD0EC3B4FAE487AADC612B723" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_D4132228E67D3AC72C9D7AADC6128A7C" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_C2194A0FD0EC3B4FAE487AADC612B723" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted_F43F42668FE791A082847AADC612AE84" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_C2194A0FD0EC3B4FAE487AADC612B723" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted_F43F42668FE791A082847AADC612AE84" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber_D6332027D6CAAB9897217AADC612CEFE" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_C2194A0FD0EC3B4FAE487AADC612B723" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber_D6332027D6CAAB9897217AADC612CEFE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_8E3C4DAAC49128D1AB8C7AADC613A89C" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_C2194A0FD0EC3B4FAE487AADC612B723" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_8E3C4DAAC49128D1AB8C7AADC613A89C" xlink:type="arc" />
  </presentationLink>
</linkbase>
