<XBRL>
<?xml version="1.0" encoding="us-ascii"?>
<!-- Created by Merrill Corporation -->
<!-- Generated by Fujitsu Interstage XWand B0166_M01 -->
<link:linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xbrldt="http://xbrl.org/2005/xbrldt">
  <link:roleRef roleURI="http://www.paalp.com/role/BalanceSheet" xlink:type="simple" xlink:href="paa-20120331.xsd#BalanceSheet" />
  <link:roleRef roleURI="http://www.paalp.com/role/StatementOfIncome" xlink:type="simple" xlink:href="paa-20120331.xsd#StatementOfIncome" />
  <link:roleRef roleURI="http://www.paalp.com/role/CashFlows" xlink:type="simple" xlink:href="paa-20120331.xsd#CashFlows" />
  <link:roleRef roleURI="http://www.paalp.com/role/StatementOfPartnersCapital" xlink:type="simple" xlink:href="paa-20120331.xsd#StatementOfPartnersCapital" />
  <link:roleRef roleURI="http://www.paalp.com/role/StatementOfComprehensiveIncome" xlink:type="simple" xlink:href="paa-20120331.xsd#StatementOfComprehensiveIncome" />
  <link:roleRef roleURI="http://www.paalp.com/role/StatementOfChangesInAccumulatedOtherComprehensiveIncome" xlink:type="simple" xlink:href="paa-20120331.xsd#StatementOfChangesInAccumulatedOtherComprehensiveIncome" />
  <link:roleRef roleURI="http://www.paalp.com/role/DisclosureInventoryLinefillBaseGasAndLongTermInventoryDetails" xlink:type="simple" xlink:href="paa-20120331.xsd#DisclosureInventoryLinefillBaseGasAndLongTermInventoryDetails" />
  <link:roleRef roleURI="http://www.paalp.com/role/DisclosureDerivativesAndRiskManagementActivitiesDetails5" xlink:type="simple" xlink:href="paa-20120331.xsd#DisclosureDerivativesAndRiskManagementActivitiesDetails5" />
  <link:roleRef roleURI="http://www.paalp.com/role/DisclosureOperatingSegmentsDetails" xlink:type="simple" xlink:href="paa-20120331.xsd#DisclosureOperatingSegmentsDetails" />
  <link:roleRef roleURI="http://www.paalp.com/role/DisclosureAcquisitionsDetails2" xlink:type="simple" xlink:href="paa-20120331.xsd#DisclosureAcquisitionsDetails2" />
  <link:roleRef roleURI="http://www.paalp.com/role/DisclosureDebtDetails" xlink:type="simple" xlink:href="paa-20120331.xsd#DisclosureDebtDetails" />
  <link:roleRef roleURI="http://www.paalp.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails6" xlink:type="simple" xlink:href="paa-20120331.xsd#DisclosureSummaryOfSignificantAccountingPoliciesDetails6" />
  <link:roleRef roleURI="http://www.paalp.com/role/DisclosureAcquisitionsDetails" xlink:type="simple" xlink:href="paa-20120331.xsd#DisclosureAcquisitionsDetails" />
  <link:roleRef roleURI="http://www.paalp.com/role/DisclosureNetIncomePerLimitedPartnerUnitDetails" xlink:type="simple" xlink:href="paa-20120331.xsd#DisclosureNetIncomePerLimitedPartnerUnitDetails" />
  <link:roleRef roleURI="http://www.paalp.com/role/DisclosurePartnersCapitalAndDistributionsDetails5" xlink:type="simple" xlink:href="paa-20120331.xsd#DisclosurePartnersCapitalAndDistributionsDetails5" />
  <link:roleRef roleURI="http://www.paalp.com/role/DisclosureOperatingSegmentsDetails2" xlink:type="simple" xlink:href="paa-20120331.xsd#DisclosureOperatingSegmentsDetails2" />
  <link:roleRef roleURI="http://www.paalp.com/role/DisclosureCommitmentsAndContingenciesDetails9" xlink:type="simple" xlink:href="paa-20120331.xsd#DisclosureCommitmentsAndContingenciesDetails9" />
  <link:roleRef roleURI="http://www.paalp.com/role/DisclosureIncomeTaxesDetails" xlink:type="simple" xlink:href="paa-20120331.xsd#DisclosureIncomeTaxesDetails" />
  <link:roleRef roleURI="http://www.paalp.com/role/DisclosureDebtDetails4" xlink:type="simple" xlink:href="paa-20120331.xsd#DisclosureDebtDetails4" />
  <link:roleRef roleURI="http://www.paalp.com/role/DisclosureEquityCompensationPlansDetails4" xlink:type="simple" xlink:href="paa-20120331.xsd#DisclosureEquityCompensationPlansDetails4" />
  <link:roleRef roleURI="http://www.paalp.com/role/DisclosureEquityCompensationPlansDetails" xlink:type="simple" xlink:href="paa-20120331.xsd#DisclosureEquityCompensationPlansDetails" />
  <link:roleRef roleURI="http://www.paalp.com/role/DisclosurePartnersCapitalAndDistributionsDetails" xlink:type="simple" xlink:href="paa-20120331.xsd#DisclosurePartnersCapitalAndDistributionsDetails" />
  <link:calculationLink xlink:type="extended" xlink:role="http://www.paalp.com/role/BalanceSheet">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Assets" xlink:label="Assets" xlink:title="Assets" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="AssetsCurrent" xlink:title="AssetsCurrent" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Assets" xlink:to="AssetsCurrent" xlink:title="calculation: Assets to AssetsCurrent" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="CashAndCashEquivalentsAtCarryingValue" xlink:title="CashAndCashEquivalentsAtCarryingValue" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="AssetsCurrent" xlink:to="CashAndCashEquivalentsAtCarryingValue" xlink:title="calculation: AssetsCurrent to CashAndCashEquivalentsAtCarryingValue" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ReceivablesNetCurrent" xlink:label="ReceivablesNetCurrent" xlink:title="ReceivablesNetCurrent" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="AssetsCurrent" xlink:to="ReceivablesNetCurrent" xlink:title="calculation: AssetsCurrent to ReceivablesNetCurrent" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InventoryNet" xlink:label="InventoryNet" xlink:title="InventoryNet" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="AssetsCurrent" xlink:to="InventoryNet" xlink:title="calculation: AssetsCurrent to InventoryNet" order="3.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherAssetsCurrent" xlink:label="OtherAssetsCurrent" xlink:title="OtherAssetsCurrent" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="AssetsCurrent" xlink:to="OtherAssetsCurrent" xlink:title="calculation: AssetsCurrent to OtherAssetsCurrent" order="4.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="PropertyPlantAndEquipmentNet" xlink:title="PropertyPlantAndEquipmentNet" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Assets" xlink:to="PropertyPlantAndEquipmentNet" xlink:title="calculation: Assets to PropertyPlantAndEquipmentNet" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="PropertyPlantAndEquipmentGross" xlink:title="PropertyPlantAndEquipmentGross" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="PropertyPlantAndEquipmentNet" xlink:to="PropertyPlantAndEquipmentGross" xlink:title="calculation: PropertyPlantAndEquipmentNet to PropertyPlantAndEquipmentGross" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:title="AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="PropertyPlantAndEquipmentNet" xlink:to="AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:title="calculation: PropertyPlantAndEquipmentNet to AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" order="2.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Goodwill" xlink:label="Goodwill" xlink:title="Goodwill" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Assets" xlink:to="Goodwill" xlink:title="calculation: Assets to Goodwill" order="3.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="paa-20120331.xsd#paa_LinefillAndBaseGas" xlink:label="LinefillAndBaseGas" xlink:title="LinefillAndBaseGas" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Assets" xlink:to="LinefillAndBaseGas" xlink:title="calculation: Assets to LinefillAndBaseGas" order="5.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InventoryNoncurrent" xlink:label="InventoryNoncurrent" xlink:title="InventoryNoncurrent" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Assets" xlink:to="InventoryNoncurrent" xlink:title="calculation: Assets to InventoryNoncurrent" order="6.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityMethodInvestments" xlink:label="EquityMethodInvestments" xlink:title="EquityMethodInvestments" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Assets" xlink:to="EquityMethodInvestments" xlink:title="calculation: Assets to EquityMethodInvestments" order="7.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="OtherAssetsNoncurrent" xlink:title="OtherAssetsNoncurrent" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Assets" xlink:to="OtherAssetsNoncurrent" xlink:title="calculation: Assets to OtherAssetsNoncurrent" order="8.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsNoncurrent" xlink:label="RestrictedCashAndCashEquivalentsNoncurrent" xlink:title="RestrictedCashAndCashEquivalentsNoncurrent" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Assets" xlink:to="RestrictedCashAndCashEquivalentsNoncurrent" xlink:title="calculation: Assets to RestrictedCashAndCashEquivalentsNoncurrent" use="optional" order="4.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="LiabilitiesAndStockholdersEquity" xlink:title="LiabilitiesAndStockholdersEquity" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="LiabilitiesCurrent" xlink:title="LiabilitiesCurrent" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesAndStockholdersEquity" xlink:to="LiabilitiesCurrent" xlink:title="calculation: LiabilitiesAndStockholdersEquity to LiabilitiesCurrent" use="optional" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:label="AccountsPayableAndAccruedLiabilitiesCurrent" xlink:title="AccountsPayableAndAccruedLiabilitiesCurrent" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesCurrent" xlink:to="AccountsPayableAndAccruedLiabilitiesCurrent" xlink:title="calculation: LiabilitiesCurrent to AccountsPayableAndAccruedLiabilitiesCurrent" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtCurrent" xlink:label="DebtCurrent" xlink:title="DebtCurrent" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesCurrent" xlink:to="DebtCurrent" xlink:title="calculation: LiabilitiesCurrent to DebtCurrent" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherLiabilitiesCurrent" xlink:label="OtherLiabilitiesCurrent" xlink:title="OtherLiabilitiesCurrent" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesCurrent" xlink:to="OtherLiabilitiesCurrent" xlink:title="calculation: LiabilitiesCurrent to OtherLiabilitiesCurrent" order="3.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesNoncurrent" xlink:label="LiabilitiesNoncurrent" xlink:title="LiabilitiesNoncurrent" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesAndStockholdersEquity" xlink:to="LiabilitiesNoncurrent" xlink:title="calculation: LiabilitiesAndStockholdersEquity to LiabilitiesNoncurrent" use="optional" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermNotesPayable" xlink:label="LongTermNotesPayable" xlink:title="LongTermNotesPayable" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesNoncurrent" xlink:to="LongTermNotesPayable" xlink:title="calculation: LiabilitiesNoncurrent to LongTermNotesPayable" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherLongTermDebtNoncurrent" xlink:label="OtherLongTermDebtNoncurrent" xlink:title="OtherLongTermDebtNoncurrent" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesNoncurrent" xlink:to="OtherLongTermDebtNoncurrent" xlink:title="calculation: LiabilitiesNoncurrent to OtherLongTermDebtNoncurrent" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="OtherLiabilitiesNoncurrent" xlink:title="OtherLiabilitiesNoncurrent" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesNoncurrent" xlink:to="OtherLiabilitiesNoncurrent" xlink:title="calculation: LiabilitiesNoncurrent to OtherLiabilitiesNoncurrent" order="3.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest" xlink:label="PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest" xlink:title="PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesAndStockholdersEquity" xlink:to="PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest" xlink:title="calculation: LiabilitiesAndStockholdersEquity to PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest" use="optional" order="3.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PartnersCapital" xlink:label="PartnersCapital" xlink:title="PartnersCapital" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest" xlink:to="PartnersCapital" xlink:title="calculation: PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest to PartnersCapital" use="optional" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LimitedPartnersCapitalAccount" xlink:label="LimitedPartnersCapitalAccount" xlink:title="LimitedPartnersCapitalAccount" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="PartnersCapital" xlink:to="LimitedPartnersCapitalAccount" xlink:title="calculation: PartnersCapital to LimitedPartnersCapitalAccount" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GeneralPartnersCapitalAccount" xlink:label="GeneralPartnersCapitalAccount" xlink:title="GeneralPartnersCapitalAccount" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="PartnersCapital" xlink:to="GeneralPartnersCapitalAccount" xlink:title="calculation: PartnersCapital to GeneralPartnersCapitalAccount" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MinorityInterest" xlink:label="MinorityInterest" xlink:title="MinorityInterest" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest" xlink:to="MinorityInterest" xlink:title="calculation: PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest to MinorityInterest" use="optional" order="2.0" weight="1.0" />
  </link:calculationLink>
  <link:calculationLink xlink:type="extended" xlink:role="http://www.paalp.com/role/StatementOfIncome">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProfitLoss" xlink:label="ProfitLoss" xlink:title="ProfitLoss" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="DeferredIncomeTaxExpenseBenefit" xlink:title="DeferredIncomeTaxExpenseBenefit" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ProfitLoss" xlink:to="DeferredIncomeTaxExpenseBenefit" xlink:title="calculation: ProfitLoss to DeferredIncomeTaxExpenseBenefit" use="optional" order="3.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:label="CurrentIncomeTaxExpenseBenefit" xlink:title="CurrentIncomeTaxExpenseBenefit" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ProfitLoss" xlink:to="CurrentIncomeTaxExpenseBenefit" xlink:title="calculation: ProfitLoss to CurrentIncomeTaxExpenseBenefit" use="optional" order="2.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:title="IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ProfitLoss" xlink:to="IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:title="calculation: ProfitLoss to IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" use="optional" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="OperatingIncomeLoss" xlink:title="OperatingIncomeLoss" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:to="OperatingIncomeLoss" xlink:title="calculation: IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest to OperatingIncomeLoss" use="optional" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CostsAndExpenses" xlink:label="CostsAndExpenses" xlink:title="CostsAndExpenses" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OperatingIncomeLoss" xlink:to="CostsAndExpenses" xlink:title="calculation: OperatingIncomeLoss to CostsAndExpenses" use="optional" order="2.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="DepreciationDepletionAndAmortization" xlink:title="DepreciationDepletionAndAmortization" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CostsAndExpenses" xlink:to="DepreciationDepletionAndAmortization" xlink:title="calculation: CostsAndExpenses to DepreciationDepletionAndAmortization" use="optional" order="4.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="GeneralAndAdministrativeExpense" xlink:title="GeneralAndAdministrativeExpense" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CostsAndExpenses" xlink:to="GeneralAndAdministrativeExpense" xlink:title="calculation: CostsAndExpenses to GeneralAndAdministrativeExpense" use="optional" order="3.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="paa-20120331.xsd#paa_FieldOperatingCosts" xlink:label="FieldOperatingCosts" xlink:title="FieldOperatingCosts" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CostsAndExpenses" xlink:to="FieldOperatingCosts" xlink:title="calculation: CostsAndExpenses to FieldOperatingCosts" use="optional" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="paa-20120331.xsd#paa_PurchasesAndRelatedCosts" xlink:label="PurchasesAndRelatedCosts" xlink:title="PurchasesAndRelatedCosts" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CostsAndExpenses" xlink:to="PurchasesAndRelatedCosts" xlink:title="calculation: CostsAndExpenses to PurchasesAndRelatedCosts" use="optional" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Revenues" xlink:label="Revenues" xlink:title="Revenues" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OperatingIncomeLoss" xlink:to="Revenues" xlink:title="calculation: OperatingIncomeLoss to Revenues" use="optional" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="paa-20120331.xsd#paa_StorageTerminallingProcessingAndRelatedRevenues" xlink:label="StorageTerminallingProcessingAndRelatedRevenues" xlink:title="StorageTerminallingProcessingAndRelatedRevenues" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Revenues" xlink:to="StorageTerminallingProcessingAndRelatedRevenues" xlink:title="calculation: Revenues to StorageTerminallingProcessingAndRelatedRevenues" use="optional" order="3.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="paa-20120331.xsd#paa_PipelineTariffActivitiesTruckingAndRelatedRevenues" xlink:label="PipelineTariffActivitiesTruckingAndRelatedRevenues" xlink:title="PipelineTariffActivitiesTruckingAndRelatedRevenues" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Revenues" xlink:to="PipelineTariffActivitiesTruckingAndRelatedRevenues" xlink:title="calculation: Revenues to PipelineTariffActivitiesTruckingAndRelatedRevenues" use="optional" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="paa-20120331.xsd#paa_SalesAndRelatedRevenues" xlink:label="SalesAndRelatedRevenues" xlink:title="SalesAndRelatedRevenues" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Revenues" xlink:to="SalesAndRelatedRevenues" xlink:title="calculation: Revenues to SalesAndRelatedRevenues" use="optional" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="OtherNonoperatingIncomeExpense" xlink:title="OtherNonoperatingIncomeExpense" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:to="OtherNonoperatingIncomeExpense" xlink:title="calculation: IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest to OtherNonoperatingIncomeExpense" use="optional" order="4.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestExpense" xlink:label="InterestExpense" xlink:title="InterestExpense" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:to="InterestExpense" xlink:title="calculation: IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest to InterestExpense" use="optional" order="3.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="IncomeLossFromEquityMethodInvestments" xlink:title="IncomeLossFromEquityMethodInvestments" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:to="IncomeLossFromEquityMethodInvestments" xlink:title="calculation: IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest to IncomeLossFromEquityMethodInvestments" use="optional" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="NetIncomeLoss" xlink:title="NetIncomeLoss" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetIncomeLoss" xlink:to="ProfitLoss" xlink:title="calculation: NetIncomeLoss to ProfitLoss" use="optional" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="NetIncomeLossAttributableToNoncontrollingInterest" xlink:title="NetIncomeLossAttributableToNoncontrollingInterest" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetIncomeLoss" xlink:to="NetIncomeLossAttributableToNoncontrollingInterest" xlink:title="calculation: NetIncomeLoss to NetIncomeLossAttributableToNoncontrollingInterest" use="optional" order="2.0" weight="-1.0" />
  </link:calculationLink>
  <link:calculationLink xlink:type="extended" xlink:role="http://www.paalp.com/role/CashFlows">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInContinuingOperations" xlink:label="NetCashProvidedByUsedInContinuingOperations" xlink:title="NetCashProvidedByUsedInContinuingOperations" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:label="NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:title="NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInContinuingOperations" xlink:to="NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:title="calculation: NetCashProvidedByUsedInContinuingOperations to NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" use="optional" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProfitLoss" xlink:label="ProfitLoss" xlink:title="ProfitLoss" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:to="ProfitLoss" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivitiesContinuingOperations to ProfitLoss" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="DepreciationDepletionAndAmortization" xlink:title="DepreciationDepletionAndAmortization" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:to="DepreciationDepletionAndAmortization" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivitiesContinuingOperations to DepreciationDepletionAndAmortization" use="optional" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="ShareBasedCompensation" xlink:title="ShareBasedCompensation" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:to="ShareBasedCompensation" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivitiesContinuingOperations to ShareBasedCompensation" use="optional" order="3.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="paa-20120331.xsd#paa_GainLossOnSaleOfLinefill" xlink:label="GainLossOnSaleOfLinefill" xlink:title="GainLossOnSaleOfLinefill" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:to="GainLossOnSaleOfLinefill" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivitiesContinuingOperations to GainLossOnSaleOfLinefill" use="optional" order="4.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="paa-20120331.xsd#paa_NetCashPaidReceivedForTerminatedInterestRateAndForeignCurrencyHedgingInstruments" xlink:label="NetCashPaidReceivedForTerminatedInterestRateAndForeignCurrencyHedgingInstruments" xlink:title="NetCashPaidReceivedForTerminatedInterestRateAndForeignCurrencyHedgingInstruments" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:to="NetCashPaidReceivedForTerminatedInterestRateAndForeignCurrencyHedgingInstruments" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivitiesContinuingOperations to NetCashPaidReceivedForTerminatedInterestRateAndForeignCurrencyHedgingInstruments" use="optional" order="5.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherNoncashIncomeExpense" xlink:label="OtherNoncashIncomeExpense" xlink:title="OtherNoncashIncomeExpense" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:to="OtherNoncashIncomeExpense" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivitiesContinuingOperations to OtherNoncashIncomeExpense" use="optional" order="6.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapital" xlink:label="IncreaseDecreaseInOperatingCapital" xlink:title="IncreaseDecreaseInOperatingCapital" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:to="IncreaseDecreaseInOperatingCapital" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivitiesContinuingOperations to IncreaseDecreaseInOperatingCapital" use="optional" order="7.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:label="NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:title="NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInContinuingOperations" xlink:to="NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:title="calculation: NetCashProvidedByUsedInContinuingOperations to NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" use="optional" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:title="PaymentsToAcquireBusinessesNetOfCashAcquired" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:to="PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:title="calculation: NetCashProvidedByUsedInInvestingActivitiesContinuingOperations to PaymentsToAcquireBusinessesNetOfCashAcquired" use="optional" order="1.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInRestrictedCash" xlink:label="IncreaseDecreaseInRestrictedCash" xlink:title="IncreaseDecreaseInRestrictedCash" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:to="IncreaseDecreaseInRestrictedCash" xlink:title="calculation: NetCashProvidedByUsedInInvestingActivitiesContinuingOperations to IncreaseDecreaseInRestrictedCash" use="optional" order="2.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquireProductiveAssets" xlink:label="PaymentsToAcquireProductiveAssets" xlink:title="PaymentsToAcquireProductiveAssets" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:to="PaymentsToAcquireProductiveAssets" xlink:title="calculation: NetCashProvidedByUsedInInvestingActivitiesContinuingOperations to PaymentsToAcquireProductiveAssets" use="optional" order="3.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="paa-20120331.xsd#paa_ProceedsFromPaymentsToAcquireLinefillInAssetsOwned" xlink:label="ProceedsFromPaymentsToAcquireLinefillInAssetsOwned" xlink:title="ProceedsFromPaymentsToAcquireLinefillInAssetsOwned" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:to="ProceedsFromPaymentsToAcquireLinefillInAssetsOwned" xlink:title="calculation: NetCashProvidedByUsedInInvestingActivitiesContinuingOperations to ProceedsFromPaymentsToAcquireLinefillInAssetsOwned" use="optional" order="5.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:label="PaymentsForProceedsFromOtherInvestingActivities" xlink:title="PaymentsForProceedsFromOtherInvestingActivities" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:to="PaymentsForProceedsFromOtherInvestingActivities" xlink:title="calculation: NetCashProvidedByUsedInInvestingActivitiesContinuingOperations to PaymentsForProceedsFromOtherInvestingActivities" use="optional" order="6.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromSaleOfProductiveAssets" xlink:label="ProceedsFromSaleOfProductiveAssets" xlink:title="ProceedsFromSaleOfProductiveAssets" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:to="ProceedsFromSaleOfProductiveAssets" xlink:title="calculation: NetCashProvidedByUsedInInvestingActivitiesContinuingOperations to ProceedsFromSaleOfProductiveAssets" use="optional" order="4.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:label="NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:title="NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInContinuingOperations" xlink:to="NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:title="calculation: NetCashProvidedByUsedInContinuingOperations to NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" use="optional" order="3.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="paa-20120331.xsd#paa_NetProceedsFromRepaymentsOfRevolvingCreditFacilities" xlink:label="NetProceedsFromRepaymentsOfRevolvingCreditFacilities" xlink:title="NetProceedsFromRepaymentsOfRevolvingCreditFacilities" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:to="NetProceedsFromRepaymentsOfRevolvingCreditFacilities" xlink:title="calculation: NetCashProvidedByUsedInFinancingActivitiesContinuingOperations to NetProceedsFromRepaymentsOfRevolvingCreditFacilities" use="optional" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="paa-20120331.xsd#paa_NetProceedsFromRepaymentsOfShortTermLetterOfCreditAndHedgedInventoryFacility" xlink:label="NetProceedsFromRepaymentsOfShortTermLetterOfCreditAndHedgedInventoryFacility" xlink:title="NetProceedsFromRepaymentsOfShortTermLetterOfCreditAndHedgedInventoryFacility" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:to="NetProceedsFromRepaymentsOfShortTermLetterOfCreditAndHedgedInventoryFacility" xlink:title="calculation: NetCashProvidedByUsedInFinancingActivitiesContinuingOperations to NetProceedsFromRepaymentsOfShortTermLetterOfCreditAndHedgedInventoryFacility" use="optional" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="paa-20120331.xsd#paa_NetProceedsFromRepaymentsOfSubsidiaryCreditFacilities" xlink:label="NetProceedsFromRepaymentsOfSubsidiaryCreditFacilities" xlink:title="NetProceedsFromRepaymentsOfSubsidiaryCreditFacilities" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:to="NetProceedsFromRepaymentsOfSubsidiaryCreditFacilities" xlink:title="calculation: NetCashProvidedByUsedInFinancingActivitiesContinuingOperations to NetProceedsFromRepaymentsOfSubsidiaryCreditFacilities" use="optional" order="3.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt" xlink:label="ProceedsFromIssuanceOfSeniorLongTermDebt" xlink:title="ProceedsFromIssuanceOfSeniorLongTermDebt" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:to="ProceedsFromIssuanceOfSeniorLongTermDebt" xlink:title="calculation: NetCashProvidedByUsedInFinancingActivitiesContinuingOperations to ProceedsFromIssuanceOfSeniorLongTermDebt" use="optional" order="4.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RepaymentsOfSeniorDebt" xlink:label="RepaymentsOfSeniorDebt" xlink:title="RepaymentsOfSeniorDebt" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:to="RepaymentsOfSeniorDebt" xlink:title="calculation: NetCashProvidedByUsedInFinancingActivitiesContinuingOperations to RepaymentsOfSeniorDebt" use="optional" order="5.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="paa-20120331.xsd#paa_DistributionPaidToGeneralPartnerCashFlowSide" xlink:label="DistributionPaidToGeneralPartnerCashFlowSide" xlink:title="DistributionPaidToGeneralPartnerCashFlowSide" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:to="DistributionPaidToGeneralPartnerCashFlowSide" xlink:title="calculation: NetCashProvidedByUsedInFinancingActivitiesContinuingOperations to DistributionPaidToGeneralPartnerCashFlowSide" use="optional" order="9.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsOfDividendsMinorityInterest" xlink:label="PaymentsOfDividendsMinorityInterest" xlink:title="PaymentsOfDividendsMinorityInterest" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:to="PaymentsOfDividendsMinorityInterest" xlink:title="calculation: NetCashProvidedByUsedInFinancingActivitiesContinuingOperations to PaymentsOfDividendsMinorityInterest" use="optional" order="10.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities" xlink:label="ProceedsFromPaymentsForOtherFinancingActivities" xlink:title="ProceedsFromPaymentsForOtherFinancingActivities" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:to="ProceedsFromPaymentsForOtherFinancingActivities" xlink:title="calculation: NetCashProvidedByUsedInFinancingActivitiesContinuingOperations to ProceedsFromPaymentsForOtherFinancingActivities" use="optional" order="11.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="paa-20120331.xsd#paa_ProceedsFromPaymentsForSalePurchaseOfInterestInSubsidiaries" xlink:label="ProceedsFromPaymentsForSalePurchaseOfInterestInSubsidiaries" xlink:title="ProceedsFromPaymentsForSalePurchaseOfInterestInSubsidiaries" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:to="ProceedsFromPaymentsForSalePurchaseOfInterestInSubsidiaries" xlink:title="calculation: NetCashProvidedByUsedInFinancingActivitiesContinuingOperations to ProceedsFromPaymentsForSalePurchaseOfInterestInSubsidiaries" use="optional" order="7.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonLimitedPartnersUnits" xlink:label="ProceedsFromIssuanceOfCommonLimitedPartnersUnits" xlink:title="ProceedsFromIssuanceOfCommonLimitedPartnersUnits" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:to="ProceedsFromIssuanceOfCommonLimitedPartnersUnits" xlink:title="calculation: NetCashProvidedByUsedInFinancingActivitiesContinuingOperations to ProceedsFromIssuanceOfCommonLimitedPartnersUnits" use="optional" order="6.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DistributionMadeToMemberOrLimitedPartnerCashDistributionsPaid" xlink:label="DistributionMadeToMemberOrLimitedPartnerCashDistributionsPaid" xlink:title="DistributionMadeToMemberOrLimitedPartnerCashDistributionsPaid" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:to="DistributionMadeToMemberOrLimitedPartnerCashDistributionsPaid" xlink:title="calculation: NetCashProvidedByUsedInFinancingActivitiesContinuingOperations to DistributionMadeToMemberOrLimitedPartnerCashDistributionsPaid" order="8.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations" xlink:label="EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations" xlink:title="EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInContinuingOperations" xlink:to="EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations" xlink:title="calculation: NetCashProvidedByUsedInContinuingOperations to EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations" use="optional" order="4.0" weight="1.0" />
  </link:calculationLink>
  <link:calculationLink xlink:type="extended" xlink:role="http://www.paalp.com/role/StatementOfPartnersCapital">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PartnersCapitalAccountPeriodIncreaseDecrease" xlink:label="PartnersCapitalAccountPeriodIncreaseDecrease" xlink:title="PartnersCapitalAccountPeriodIncreaseDecrease" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProfitLoss" xlink:label="ProfitLoss" xlink:title="ProfitLoss" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="PartnersCapitalAccountPeriodIncreaseDecrease" xlink:to="ProfitLoss" xlink:title="calculation: PartnersCapitalAccountPeriodIncreaseDecrease to ProfitLoss" use="optional" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PartnersCapitalAccountDistributions" xlink:label="PartnersCapitalAccountDistributions" xlink:title="PartnersCapitalAccountDistributions" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="PartnersCapitalAccountPeriodIncreaseDecrease" xlink:to="PartnersCapitalAccountDistributions" xlink:title="calculation: PartnersCapitalAccountPeriodIncreaseDecrease to PartnersCapitalAccountDistributions" use="optional" order="2.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PartnersCapitalAccountSaleOfUnits" xlink:label="PartnersCapitalAccountSaleOfUnits" xlink:title="PartnersCapitalAccountSaleOfUnits" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="PartnersCapitalAccountPeriodIncreaseDecrease" xlink:to="PartnersCapitalAccountSaleOfUnits" xlink:title="calculation: PartnersCapitalAccountPeriodIncreaseDecrease to PartnersCapitalAccountSaleOfUnits" use="optional" order="3.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PartnersCapitalAccountUnitBasedCompensation" xlink:label="PartnersCapitalAccountUnitBasedCompensation" xlink:title="PartnersCapitalAccountUnitBasedCompensation" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="PartnersCapitalAccountPeriodIncreaseDecrease" xlink:to="PartnersCapitalAccountUnitBasedCompensation" xlink:title="calculation: PartnersCapitalAccountPeriodIncreaseDecrease to PartnersCapitalAccountUnitBasedCompensation" use="optional" order="5.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease" xlink:label="OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease" xlink:title="OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="PartnersCapitalAccountPeriodIncreaseDecrease" xlink:to="OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease" xlink:title="calculation: PartnersCapitalAccountPeriodIncreaseDecrease to OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease" use="optional" order="6.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationGross" xlink:label="StockIssuedDuringPeriodValueShareBasedCompensationGross" xlink:title="StockIssuedDuringPeriodValueShareBasedCompensationGross" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="PartnersCapitalAccountPeriodIncreaseDecrease" xlink:to="StockIssuedDuringPeriodValueShareBasedCompensationGross" xlink:title="calculation: PartnersCapitalAccountPeriodIncreaseDecrease to StockIssuedDuringPeriodValueShareBasedCompensationGross" order="4.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PartnersCapitalAccountUnitsPeriodIncreaseDecrease" xlink:label="PartnersCapitalAccountUnitsPeriodIncreaseDecrease" xlink:title="PartnersCapitalAccountUnitsPeriodIncreaseDecrease" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PartnersCapitalAccountUnitsSaleOfUnits" xlink:label="PartnersCapitalAccountUnitsSaleOfUnits" xlink:title="PartnersCapitalAccountUnitsSaleOfUnits" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="PartnersCapitalAccountUnitsPeriodIncreaseDecrease" xlink:to="PartnersCapitalAccountUnitsSaleOfUnits" xlink:title="calculation: PartnersCapitalAccountUnitsPeriodIncreaseDecrease to PartnersCapitalAccountUnitsSaleOfUnits" use="optional" order="1.0" weight="1.0" />
  </link:calculationLink>
  <link:calculationLink xlink:type="extended" xlink:role="http://www.paalp.com/role/StatementOfComprehensiveIncome">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="ComprehensiveIncomeNetOfTax" xlink:title="ComprehensiveIncomeNetOfTax" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:title="ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ComprehensiveIncomeNetOfTax" xlink:to="ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:title="calculation: ComprehensiveIncomeNetOfTax to ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProfitLoss" xlink:label="ProfitLoss" xlink:title="ProfitLoss" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:to="ProfitLoss" xlink:title="calculation: ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest to ProfitLoss" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease" xlink:label="OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease" xlink:title="OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:to="OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease" xlink:title="calculation: ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest to OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:label="ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:title="ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ComprehensiveIncomeNetOfTax" xlink:to="ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:title="calculation: ComprehensiveIncomeNetOfTax to ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" order="2.0" weight="-1.0" />
  </link:calculationLink>
  <link:calculationLink xlink:type="extended" xlink:role="http://www.paalp.com/role/StatementOfChangesInAccumulatedOtherComprehensiveIncome">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease" xlink:label="OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease" xlink:title="OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax" xlink:label="OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax" xlink:title="OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease" xlink:to="OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax" xlink:title="calculation: OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease to OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax" order="1.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax" xlink:label="OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax" xlink:title="OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease" xlink:to="OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax" xlink:title="calculation: OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease to OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:label="OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:title="OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease" xlink:to="OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:title="calculation: OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease to OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPeriodIncreaseDecrease" order="3.0" weight="1.0" />
  </link:calculationLink>
  <link:calculationLink xlink:type="extended" xlink:role="http://www.paalp.com/role/DisclosureInventoryLinefillBaseGasAndLongTermInventoryDetails">
    <link:loc xlink:type="locator" xlink:href="paa-20120331.xsd#paa_InventoryCurrentAndNoncurrent" xlink:label="InventoryCurrentAndNoncurrent" xlink:title="InventoryCurrentAndNoncurrent" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InventoryNet" xlink:label="InventoryNet" xlink:title="InventoryNet" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="InventoryCurrentAndNoncurrent" xlink:to="InventoryNet" xlink:title="calculation: InventoryCurrentAndNoncurrent to InventoryNet" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="paa-20120331.xsd#paa_LinefillAndBaseGas" xlink:label="LinefillAndBaseGas" xlink:title="LinefillAndBaseGas" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="InventoryCurrentAndNoncurrent" xlink:to="LinefillAndBaseGas" xlink:title="calculation: InventoryCurrentAndNoncurrent to LinefillAndBaseGas" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InventoryNoncurrent" xlink:label="InventoryNoncurrent" xlink:title="InventoryNoncurrent" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="InventoryCurrentAndNoncurrent" xlink:to="InventoryNoncurrent" xlink:title="calculation: InventoryCurrentAndNoncurrent to InventoryNoncurrent" order="3.0" weight="1.0" />
  </link:calculationLink>
  <link:calculationLink xlink:type="extended" xlink:role="http://www.paalp.com/role/DisclosureOperatingSegmentsDetails">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SegmentReportingInformationRevenue" xlink:label="SegmentReportingInformationRevenue" xlink:title="SegmentReportingInformationRevenue" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Revenues" xlink:label="Revenues" xlink:title="Revenues" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="SegmentReportingInformationRevenue" xlink:to="Revenues" xlink:title="calculation: SegmentReportingInformationRevenue to Revenues" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RevenuesFromTransactionsWithOtherOperatingSegmentsOfSameEntity" xlink:label="RevenuesFromTransactionsWithOtherOperatingSegmentsOfSameEntity" xlink:title="RevenuesFromTransactionsWithOtherOperatingSegmentsOfSameEntity" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="SegmentReportingInformationRevenue" xlink:to="RevenuesFromTransactionsWithOtherOperatingSegmentsOfSameEntity" xlink:title="calculation: SegmentReportingInformationRevenue to RevenuesFromTransactionsWithOtherOperatingSegmentsOfSameEntity" order="2.0" weight="1.0" />
  </link:calculationLink>
  <link:calculationLink xlink:type="extended" xlink:role="http://www.paalp.com/role/DisclosureDebtDetails">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtAndCapitalLeaseObligations" xlink:label="DebtAndCapitalLeaseObligations" xlink:title="DebtAndCapitalLeaseObligations" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtCurrent" xlink:label="DebtCurrent" xlink:title="DebtCurrent" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="DebtAndCapitalLeaseObligations" xlink:to="DebtCurrent" xlink:title="calculation: DebtAndCapitalLeaseObligations to DebtCurrent" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="LongTermDebtNoncurrent" xlink:title="LongTermDebtNoncurrent" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="DebtAndCapitalLeaseObligations" xlink:to="LongTermDebtNoncurrent" xlink:title="calculation: DebtAndCapitalLeaseObligations to LongTermDebtNoncurrent" order="2.0" weight="1.0" />
  </link:calculationLink>
  <link:calculationLink xlink:type="extended" xlink:role="http://www.paalp.com/role/DisclosureAcquisitionsDetails">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet" xlink:label="BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet" xlink:title="BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationPropertyPlantAndEquipment" xlink:label="BusinessAcquisitionPurchasePriceAllocationPropertyPlantAndEquipment" xlink:title="BusinessAcquisitionPurchasePriceAllocationPropertyPlantAndEquipment" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet" xlink:to="BusinessAcquisitionPurchasePriceAllocationPropertyPlantAndEquipment" xlink:title="calculation: BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet to BusinessAcquisitionPurchasePriceAllocationPropertyPlantAndEquipment" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="paa-20120331.xsd#paa_BusinessAcquisitionPurchasePriceAllocationBaseGas" xlink:label="BusinessAcquisitionPurchasePriceAllocationBaseGas" xlink:title="BusinessAcquisitionPurchasePriceAllocationBaseGas" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet" xlink:to="BusinessAcquisitionPurchasePriceAllocationBaseGas" xlink:title="calculation: BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet to BusinessAcquisitionPurchasePriceAllocationBaseGas" order="3.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="paa-20120331.xsd#paa_BusinessAcquisitionPurchasePriceAllocationOtherWorkingCapitalNetOfCashAcquired" xlink:label="BusinessAcquisitionPurchasePriceAllocationOtherWorkingCapitalNetOfCashAcquired" xlink:title="BusinessAcquisitionPurchasePriceAllocationOtherWorkingCapitalNetOfCashAcquired" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet" xlink:to="BusinessAcquisitionPurchasePriceAllocationOtherWorkingCapitalNetOfCashAcquired" xlink:title="calculation: BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet to BusinessAcquisitionPurchasePriceAllocationOtherWorkingCapitalNetOfCashAcquired" order="4.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssets" xlink:label="BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssets" xlink:title="BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssets" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet" xlink:to="BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssets" xlink:title="calculation: BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet to BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssets" order="5.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationGoodwillAmount" xlink:label="BusinessAcquisitionPurchasePriceAllocationGoodwillAmount" xlink:title="BusinessAcquisitionPurchasePriceAllocationGoodwillAmount" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet" xlink:to="BusinessAcquisitionPurchasePriceAllocationGoodwillAmount" xlink:title="calculation: BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet to BusinessAcquisitionPurchasePriceAllocationGoodwillAmount" order="6.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="paa-20120331.xsd#paa_BusinessAcquisitionPurchasePriceAllocationEnvironmentalLiability" xlink:label="BusinessAcquisitionPurchasePriceAllocationEnvironmentalLiability" xlink:title="BusinessAcquisitionPurchasePriceAllocationEnvironmentalLiability" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet" xlink:to="BusinessAcquisitionPurchasePriceAllocationEnvironmentalLiability" xlink:title="calculation: BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet to BusinessAcquisitionPurchasePriceAllocationEnvironmentalLiability" order="7.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="paa-20120331.xsd#paa_BusinessAcquisitionPurchasePriceAllocationOtherWorkingCapitalIncludingCashAcquired" xlink:label="BusinessAcquisitionPurchasePriceAllocationOtherWorkingCapitalIncludingCashAcquired" xlink:title="BusinessAcquisitionPurchasePriceAllocationOtherWorkingCapitalIncludingCashAcquired" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet" xlink:to="BusinessAcquisitionPurchasePriceAllocationOtherWorkingCapitalIncludingCashAcquired" xlink:title="calculation: BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet to BusinessAcquisitionPurchasePriceAllocationOtherWorkingCapitalIncludingCashAcquired" order="8.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="paa-20120331.xsd#paa_BusinessAcquisitionPurchasePriceAllocationLinefill" xlink:label="BusinessAcquisitionPurchasePriceAllocationLinefill" xlink:title="BusinessAcquisitionPurchasePriceAllocationLinefill" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet" xlink:to="BusinessAcquisitionPurchasePriceAllocationLinefill" xlink:title="calculation: BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet to BusinessAcquisitionPurchasePriceAllocationLinefill" order="1.0" weight="1.0" />
  </link:calculationLink>
  <link:calculationLink xlink:type="extended" xlink:role="http://www.paalp.com/role/DisclosureNetIncomePerLimitedPartnerUnitDetails">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_WeightedAverageLimitedPartnershipUnitsOutstandingDiluted" xlink:label="WeightedAverageLimitedPartnershipUnitsOutstandingDiluted" xlink:title="WeightedAverageLimitedPartnershipUnitsOutstandingDiluted" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_WeightedAverageLimitedPartnershipUnitsOutstanding" xlink:label="WeightedAverageLimitedPartnershipUnitsOutstanding" xlink:title="WeightedAverageLimitedPartnershipUnitsOutstanding" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="WeightedAverageLimitedPartnershipUnitsOutstandingDiluted" xlink:to="WeightedAverageLimitedPartnershipUnitsOutstanding" xlink:title="calculation: WeightedAverageLimitedPartnershipUnitsOutstandingDiluted to WeightedAverageLimitedPartnershipUnitsOutstanding" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_WeightedAverageNumerDilutedLimitedPartnershipUnitsOutstandingAdjustment" xlink:label="WeightedAverageNumerDilutedLimitedPartnershipUnitsOutstandingAdjustment" xlink:title="WeightedAverageNumerDilutedLimitedPartnershipUnitsOutstandingAdjustment" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="WeightedAverageLimitedPartnershipUnitsOutstandingDiluted" xlink:to="WeightedAverageNumerDilutedLimitedPartnershipUnitsOutstandingAdjustment" xlink:title="calculation: WeightedAverageLimitedPartnershipUnitsOutstandingDiluted to WeightedAverageNumerDilutedLimitedPartnershipUnitsOutstandingAdjustment" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="paa-20120331.xsd#paa_NetIncomeLossAvailableToLimitedPartnersAfterAdjustmentForTwoClassMethodForMLP" xlink:label="NetIncomeLossAvailableToLimitedPartnersAfterAdjustmentForTwoClassMethodForMLP" xlink:title="NetIncomeLossAvailableToLimitedPartnersAfterAdjustmentForTwoClassMethodForMLP" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="NetIncomeLoss" xlink:title="NetIncomeLoss" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetIncomeLossAvailableToLimitedPartnersAfterAdjustmentForTwoClassMethodForMLP" xlink:to="NetIncomeLoss" xlink:title="calculation: NetIncomeLossAvailableToLimitedPartnersAfterAdjustmentForTwoClassMethodForMLP to NetIncomeLoss" use="optional" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="paa-20120331.xsd#paa_GeneralPartnerIncentiveDistributionPaidOrToBePaidBasedOnCurrentPeriodEarnings" xlink:label="GeneralPartnerIncentiveDistributionPaidOrToBePaidBasedOnCurrentPeriodEarnings" xlink:title="GeneralPartnerIncentiveDistributionPaidOrToBePaidBasedOnCurrentPeriodEarnings" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetIncomeLossAvailableToLimitedPartnersAfterAdjustmentForTwoClassMethodForMLP" xlink:to="GeneralPartnerIncentiveDistributionPaidOrToBePaidBasedOnCurrentPeriodEarnings" xlink:title="calculation: NetIncomeLossAvailableToLimitedPartnersAfterAdjustmentForTwoClassMethodForMLP to GeneralPartnerIncentiveDistributionPaidOrToBePaidBasedOnCurrentPeriodEarnings" use="optional" order="2.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="paa-20120331.xsd#paa_GeneralPartnerOwnershipInterestInNetIncomeLossAfterIncentiveDistribution" xlink:label="GeneralPartnerOwnershipInterestInNetIncomeLossAfterIncentiveDistribution" xlink:title="GeneralPartnerOwnershipInterestInNetIncomeLossAfterIncentiveDistribution" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetIncomeLossAvailableToLimitedPartnersAfterAdjustmentForTwoClassMethodForMLP" xlink:to="GeneralPartnerOwnershipInterestInNetIncomeLossAfterIncentiveDistribution" xlink:title="calculation: NetIncomeLossAvailableToLimitedPartnersAfterAdjustmentForTwoClassMethodForMLP to GeneralPartnerOwnershipInterestInNetIncomeLossAfterIncentiveDistribution" use="optional" order="3.0" weight="-1.0" />
  </link:calculationLink>
  <link:calculationLink xlink:type="extended" xlink:role="http://www.paalp.com/role/DisclosurePartnersCapitalAndDistributionsDetails5">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangeDueToNetIncomeAttributableToParentAndEffectsOfChangesNet" xlink:label="ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangeDueToNetIncomeAttributableToParentAndEffectsOfChangesNet" xlink:title="ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangeDueToNetIncomeAttributableToParentAndEffectsOfChangesNet" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesSaleOfInterestByParent" xlink:label="ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesSaleOfInterestByParent" xlink:title="ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesSaleOfInterestByParent" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangeDueToNetIncomeAttributableToParentAndEffectsOfChangesNet" xlink:to="ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesSaleOfInterestByParent" xlink:title="calculation: ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangeDueToNetIncomeAttributableToParentAndEffectsOfChangesNet to ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesSaleOfInterestByParent" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="NetIncomeLoss" xlink:title="NetIncomeLoss" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangeDueToNetIncomeAttributableToParentAndEffectsOfChangesNet" xlink:to="NetIncomeLoss" xlink:title="calculation: ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangeDueToNetIncomeAttributableToParentAndEffectsOfChangesNet to NetIncomeLoss" order="1.0" weight="1.0" />
  </link:calculationLink>
  <link:calculationLink xlink:type="extended" xlink:role="http://www.paalp.com/role/DisclosureOperatingSegmentsDetails2">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProfitLoss" xlink:label="ProfitLoss" xlink:title="ProfitLoss" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GrossProfit" xlink:label="GrossProfit" xlink:title="GrossProfit" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ProfitLoss" xlink:to="GrossProfit" xlink:title="calculation: ProfitLoss to GrossProfit" use="optional" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="DepreciationDepletionAndAmortization" xlink:title="DepreciationDepletionAndAmortization" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ProfitLoss" xlink:to="DepreciationDepletionAndAmortization" xlink:title="calculation: ProfitLoss to DepreciationDepletionAndAmortization" use="optional" order="2.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestExpense" xlink:label="InterestExpense" xlink:title="InterestExpense" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ProfitLoss" xlink:to="InterestExpense" xlink:title="calculation: ProfitLoss to InterestExpense" use="optional" order="3.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="OtherNonoperatingIncomeExpense" xlink:title="OtherNonoperatingIncomeExpense" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ProfitLoss" xlink:to="OtherNonoperatingIncomeExpense" xlink:title="calculation: ProfitLoss to OtherNonoperatingIncomeExpense" use="optional" order="4.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="IncomeTaxExpenseBenefit" xlink:title="IncomeTaxExpenseBenefit" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ProfitLoss" xlink:to="IncomeTaxExpenseBenefit" xlink:title="calculation: ProfitLoss to IncomeTaxExpenseBenefit" use="optional" order="5.0" weight="-1.0" />
  </link:calculationLink>
  <link:calculationLink xlink:type="extended" xlink:role="http://www.paalp.com/role/DisclosurePartnersCapitalAndDistributionsDetails">
    <link:loc xlink:type="locator" xlink:href="paa-20120331.xsd#paa_TotalDistributionPaidDuringPeriod" xlink:label="TotalDistributionPaidDuringPeriod" xlink:title="TotalDistributionPaidDuringPeriod" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LimitedPartnersCapitalAccountDistributionAmount" xlink:label="LimitedPartnersCapitalAccountDistributionAmount" xlink:title="LimitedPartnersCapitalAccountDistributionAmount" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="TotalDistributionPaidDuringPeriod" xlink:to="LimitedPartnersCapitalAccountDistributionAmount" xlink:title="calculation: TotalDistributionPaidDuringPeriod to LimitedPartnersCapitalAccountDistributionAmount" use="optional" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncentiveDistributionDistributionPerYear" xlink:label="IncentiveDistributionDistributionPerYear" xlink:title="IncentiveDistributionDistributionPerYear" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="TotalDistributionPaidDuringPeriod" xlink:to="IncentiveDistributionDistributionPerYear" xlink:title="calculation: TotalDistributionPaidDuringPeriod to IncentiveDistributionDistributionPerYear" use="optional" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GeneralPartnerDistributions" xlink:label="GeneralPartnerDistributions" xlink:title="GeneralPartnerDistributions" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="TotalDistributionPaidDuringPeriod" xlink:to="GeneralPartnerDistributions" xlink:title="calculation: TotalDistributionPaidDuringPeriod to GeneralPartnerDistributions" use="optional" order="3.0" weight="1.0" />
  </link:calculationLink>
</link:linkbase>
</XBRL>
