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      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>43974508</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>2693863</NetUnrealizedGainsInvstAmt>
      <RevenueNotReportedAmt>2693863</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>41280645</RevenueSubtotalAmt>
      <RevenueNotReportedFinclStmtAmt>0</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>41280645</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>22568424</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesNotReportedAmt>0</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>22568424</ExpensesSubtotalAmt>
      <ExpensesNotRptFinclStmtAmt>0</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>22568424</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE TRUST ESTABLISHED UNDER THE PLAN TO HOLD THE PLAN'S ASSETS RECEIVED AN EXEMPTION LETTER FROM THE INTERNAL REVENUE SERVICE (IRS) DATED FEBRUARY 6, 2014, STATING THAT THE TRUST IS TAX-EXEMPT UNDER THE PROVISIONS OF SECTION 501(C)(9) OF THE INTERNAL REVENUE CODE (IRC) AND, ACCORDINGLY, THE TRUST'S NET INVESTMENT INCOME (LOSS) IS EXEMPT FROM INCOME TAXES. THE TRUST HAS BEEN AMENDED SINCE RECEIVING THE EXEMPTION LETTER, BUT THE PLAN ADMINISTRATOR BELIEVES THAT THE PLAN CONTINUES TO QUALIFY AND OPERATE IN ACCORDANCE WITH THE TRUST AGREEMENT AND IN CONFORMITY WITH THE APPLICABLE PROVISIONS OF THE IRC, AND HAS NO INCOME SUBJECT TO UNRELATED BUSINESS INCOME TAX AND, THEREFORE, IS EXEMPT FROM FEDERAL INCOME TAXES. U.S. GAAP REQUIRES PLAN MANAGEMENT TO EVALUATE TAX POSITIONS TAKEN BY THE PLAN AND RECOGNIZE A TAX LIABILITY IF THE PLAN HAS TAKEN AN UNCERTAIN TAX POSITION THAT MORE LIKELY THAN NOT WOULD BE SUSTAINED UPON EXAMINATION BY THE IRS. THE PLAN IS SUBJECT TO ROUTINE AUDITS BY TAXING JURISDICTIONS, HOWEVER THERE ARE CURRENTLY NO AUDITS FOR ANY TAX PERIODS IN PROGRESS. THE PLAN ADMINISTRATOR BELIEVES THAT THE PLAN IS NO LONGER SUBJECT TO INCOME TAX EXAMINATIONS FOR YEARS PRIOR TO 2021 .</ExplanationTxt>
      </SupplementalInformationDetail>
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    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 1A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE TRUSTEE'S DUTIES AND OBLIGATIONS SHALL BE LIMITED TO THOSE EXPRESSLY IMPOSED UPON IT BY THE GOVERNING TRUST AGREEMENT AND AMENDMENTS MADE THERETO. THE VEBA COMMITTEE COMPRISED OF FOUR MEMBERS SHALL BE THE NAMED FIDUICIARY (AS DEFINED IN SECTION 402(A)(2) OF ERISA)WITH AUTHORITY TO CONTROL AND MANAGE THE OPERATION OF THE TRUST, INCLUDING BUT NOT LIMITED TO THE AUTHORITY TO MONITOR AND ENFORCE CONTRIBUTIONS THERETO, AS SET FORTH IN THE TRUST AGREEMENT AND AMENDMENTS MADE THERETO AND THE PLAN DOCUMENT. THE TRUST HAS BEEN AMENDED SINCE RECEIVING THE EXEMPTION LETTER, BUT THE PLAN SPONSOR BELIEVES THAT THE PLAN CONTINUES TO QUALIFY AND OPERATE IN ACCORDANCE WITH THE TRUST AGREEMENT AND IN CONFORMITY WITH THE APPLICABLE PROVISIONS OF THE IRC, AND HAS NO INCOME SUBJECT TO UNRELATED BUSINESS INCOME TAX, AND THEREFORE, IS EXEMPT FROM FEDERAL INCOME TAXES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 8B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION DOES NOT HAVE A COMMITTEE WITH AUTHORITY TO ACT ON BEHALF OF THE GOVERNING BODY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>JEANETTE STUMP, A COMMITTEE MEMBER, AND THE VEBA TRUST ATTORNEY REVIEWED THE FORM 990 BEFORE IT WAS FILED.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE TRUST PROVIDES ITS GOVERNING DOCUMENTS AND FINANCIAL STATEMENTS UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
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          <BusinessNameLine1Txt>ATI SPECIALTY ALLOYS AND COMPONENTS OF A DIVISION OF TDY INDUSTRIES LLC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
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          <AddressLine1Txt>1000 SIX PPG PLACE</AddressLine1Txt>
          <CityNm>PITTSBURGH</CityNm>
          <StateAbbreviationCd>PA</StateAbbreviationCd>
          <ZIPCd>15222</ZIPCd>
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          <BusinessNameLine1Txt>ALLEGHENY LUDLUM LCC</BusinessNameLine1Txt>
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          <AddressLine1Txt>1000 SIX PPG PLACE</AddressLine1Txt>
          <CityNm>PITTSBURGH</CityNm>
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          <BusinessNameLine1Txt>OREGON METALLURGICAL LCC</BusinessNameLine1Txt>
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          <AddressLine1Txt>1000 SIX PPG PLACE</AddressLine1Txt>
          <CityNm>PITTSBURGH</CityNm>
          <StateAbbreviationCd>PA</StateAbbreviationCd>
          <ZIPCd>15222</ZIPCd>
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        <EIN>930448167</EIN>
        <PrimaryActivitiesTxt>CONTRIBUTING EMPLOYER</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>PA</LegalDomicileStateCd>
        <DirectControllingNACd>N/A</DirectControllingNACd>
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