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      </AccountActivitiesOutsideUSGrp>
      <SubtotalOfficesCnt>0</SubtotalOfficesCnt>
      <SubtotalEmployeesCnt>0</SubtotalEmployeesCnt>
      <ContinuationTotalOfficeCnt>0</ContinuationTotalOfficeCnt>
      <ContinuationTotalEmployeeCnt>0</ContinuationTotalEmployeeCnt>
      <TotalOfficeCnt>0</TotalOfficeCnt>
      <TotalEmployeeCnt>0</TotalEmployeeCnt>
      <SubtotalSpentAmt>15154798</SubtotalSpentAmt>
      <ContinuationSpentAmt>0</ContinuationSpentAmt>
      <TotalSpentAmt>15154798</TotalSpentAmt>
      <TransferToForeignCorpInd>true</TransferToForeignCorpInd>
      <InterestInForeignTrustInd>false</InterestInForeignTrustInd>
      <ForeignCorpOwnershipInd>true</ForeignCorpOwnershipInd>
      <PassiveForeignInvestmestCoInd>true</PassiveForeignInvestmestCoInd>
      <ForeignPartnershipInd>true</ForeignPartnershipInd>
      <BoycottCountriesInd>false</BoycottCountriesInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule F, Part I, Line 3 Method used to account for expenditures on org's financial statements</FormAndLineReferenceDesc>
        <ExplanationTxt>CENTRAL AMERICA AND THE CARIBBEAN-Accrual; EUROPE (INCLUDING ICELAND AND GREENLAND)-Accrual; NORTH AMERICA (CANADA &amp; MEXICO ONLY)-Accrual</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleF>
    <IRS990ScheduleO documentId="IRS990ScheduleO" softwareId="23017437" softwareVersionNum="2023v5.1">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 12a Conflict of interest Policy</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION DOES NOT HAVE ITS OWN CONFLICT OF INTEREST POLICY BUT FOLLOWS THAT OF THE UNITED STATES STEEL AND CARNEGIE PENSION FUND ("PENSION FUND"). THE PENSION FUND ACTS AS THE INSTITUTIONAL TRUSTEE FOR THE UNITED STATES STEEL CORPORATION REPRESENTED RETIREES BENEFIT TRUST. THE CHIEF COMPLIANCE OFFICER OF THE PENSION FUND PERFORMS AN ANNUAL COMPLIANCE REVIEW OF ITS CODE OF ETHICS, INCLUDING CONFLICT OF INTEREST. ANNUALLY, THE PENSION FUND EMPLOYEES CERTIFY COMPLIANCE WITH THE CODE OF ETHICS AND COMPLETE AN ETHICS QUESTIONNAIRE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 13 WHISTLE-BLOWER POLICY</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION HAS NOT ADOPTED A WHISTLEBLOWER POLICY BUT FOLLOWS THE WHISTLEBLOWER POLICY OF THE UNITED STATES STEEL AND CARNEGIE PENSION FUND.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 14 DOCUMENT RETENTION AND DESTRUCTION POLICY</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION HAS NOT ADOPTED A DOCUMENT RETENTION AND DESTRUCTION POLICY BUT FOLLOWS THE DOCUMENT RETENTION AND DESTRUCTION POLICY OF THE UNITED STATES STEEL AND CARNEGIE PENSION FUND.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 8b Documentation of meetings held by committees of governing body</FormAndLineReferenceDesc>
        <ExplanationTxt>THERE ARE NO COMMITTEES WITH THE AUTHORITY TO ACT ON BEHALF OF THE GOVERNING BODY. THEREFORE, THIS QUESTION IS NOT APPLICABLE AND HAS BEEN CHECKED NO IN ACCORDANCE WITH THE INSTRUCTIONS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 11b Review of form 990 by governing body</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FORM 990 IS PREPARED BY AN INDEPENDENT CPA FIRM. PRIOR TO ITS SUBMISSION TO THE INTERNAL REVENUE SERVICE, FORM 990 IS REVIEWED AND APPROVED BY THE BENEFITS ACCOUNTING GROUP WITHIN THE UNITED STATES STEEL AND CARNEGIE PENSION FUND.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 19 Required documents available to the public</FormAndLineReferenceDesc>
        <ExplanationTxt>A COPY OF THE ORGANIZATION'S GOVERNING DOCUMENTS AND FINANCIAL STATEMENTS ARE AVAILABLE TO THE PUBLIC UPON REQUEST TO THE EXTENT SUCH INSPECTION IS REQUIRED BY LAW.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part XI, Line 9 Other changes in net assets or fund balances</FormAndLineReferenceDesc>
        <ExplanationTxt>Asset Transfer to Health Premium Reimbursement Benefit Trust - -11600000;</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="IRS990ScheduleR" softwareId="23017437" softwareVersionNum="2023v5.1">
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>United States Steel Corporation</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>600 GRANT STREET</AddressLine1Txt>
          <CityNm>PITTSBURGH</CityNm>
          <StateAbbreviationCd>PA</StateAbbreviationCd>
          <ZIPCd>15219</ZIPCd>
        </USAddress>
        <EIN>251897152</EIN>
        <PrimaryActivitiesTxt>MANUFACTURING</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>PA</LegalDomicileStateCd>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>NA</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <EntityTypeTxt>C Corporation</EntityTypeTxt>
        <ShareOfTotalIncomeAmt>0</ShareOfTotalIncomeAmt>
        <ShareOfEOYAssetsAmt>0</ShareOfEOYAssetsAmt>
        <OwnershipPct>0</OwnershipPct>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>false</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>false</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>false</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>false</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>false</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>false</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>false</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>false</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>false</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>false</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>false</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>false</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>false</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>false</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>false</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>true</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>false</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>false</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>false</TransferFromOtherOrgInd>
    </IRS990ScheduleR>
  </ReturnData>
</Return>