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  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://targaresourcescorp.com/role/DebtObligationsPartnershipAndMergerFinancingActivitiesDetails">
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    <link:loc xlink:type="locator" xlink:href="trgp-20150930.xsd#trgp_BusinessAcquisitionCashPaymentRelatedToChangeOfControlPayments" xlink:label="BusinessAcquisitionCashPaymentRelatedToChangeOfControlPayments" xlink:title="BusinessAcquisitionCashPaymentRelatedToChangeOfControlPayments" />
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    <link:loc xlink:type="locator" xlink:href="trgp-20150930.xsd#trgp_AggregateAmountOfDebtOrEquitySecuritiesAllowedUnderShelfAgreement" xlink:label="AggregateAmountOfDebtOrEquitySecuritiesAllowedUnderShelfAgreement" xlink:title="AggregateAmountOfDebtOrEquitySecuritiesAllowedUnderShelfAgreement" />
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsForLoans" xlink:label="PaymentsForLoans" xlink:title="PaymentsForLoans" />
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