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        <ReturnReference>PART X:</ReturnReference>
        <Explanation>TRUST III CONSTITUTE A QUALIFIED VOLUNTARY EMPLOYEE BENEFIT ASSOCIATION UNDER SECTION 501(C)(9) OF THE IRC AND ARE, THEREFORE, CONSIDERED TO BE EXEMPT FROM FEDERAL INCOME TAXES UNDER PROVISIONS OF SECTION 501(A). TRUST III OBTAINED ITS LATEST DETERMINATION LETTERS ON NOVEMBER 22, 1993, IN WHICH THE INTERNAL REVENUE SERVICE (IRS) STATED THAT TRUST III, AS THEN DESIGNED, WAS IN COMPLIANCE WITH THE APPLICABLE REQUIREMENTS OF THE IRC. TRUST III'S ADMINISTRATOR BELIEVES THAT THE PLAN AND TRUST ARE CURRENTLY DESIGNED AND BEING OPERATED IN COMPLIANCE WITH THE APPLICABLE REQUIREMENTS OF THE IRC. ACCOUNTING PRINCIPLES GENERALLY ACCEPTED IN THE UNITED STATES OF AMERICA REQUIRE PLAN MANAGEMENT TO EVALUATE TAX POSITIONS TAKEN BY THE PLAN AND RECOGNIZE A TAX LIABILITY (OR ASSET) IF THE PLAN HAS TAKEN AN UNCERTAIN POSITION THAT MORE LIKELY THAN NOT WOULD NOT BE SUSTAINED UPON EXAMINATION BY THE IRS. THE PLAN ADMINISTRATOR HAS ANALYZED THE TAX POSITIONS OF THE PLAN, AND HAS CONCLUDED THAT AS OF DECEMBER 31, 2011, THERE ARE NO UNCERTAIN POSITIONS TAKEN OR EXPECTED TO BE TAKEN THAT WOULD REQUIRE RECOGNITION OF A LIABILITY (OR ASSET) OR DISCLOSURE IN THE FINANCIAL STATEMENTS. 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 IT IS NO LONGER SUBJECT TO INCOME TAX EXAMINATIONS FOR YEARS PRIOR TO 2008.</Explanation>
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      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION A, LINE 8B</ReturnReference>
        <Explanation>THE TRUST IS NOT REQUIRED TO HOLD MEETINGS. THEREFORE, THE TRUST DID NOT PREPARE ANY CONTEMPORANEOUS DOCUMENTION.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION B, LINE 11</ReturnReference>
        <Explanation>THE RETURN IS REVIEWED BY INDIVIDUALS WITHIN THE 3M COMPANY TAX DEPARTMENT PRIOR TO FILING.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION C, LINE 19</ReturnReference>
        <Explanation>GOVERNING DOCUMENTATION AND FINANCIAL STATEMENTS ARE NOT LEGALLY REQUIRED TO BE DISCLOSED TO THE PUBLIC AND THEREFORE ARE NOT MADE AVAILABLE. THE TRUST DOES NOT HAVE A CONFLICT OF INTEREST POLICY. ALL DOCUMENTS ARE AVAILABLE UPON REQUEST.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>CHANGES IN NET ASSETS OR FUND BALANCES:</Identifier>
        <ReturnReference>FORM 990, PART XI, LINE 5:</ReturnReference>
        <Explanation>NET UNREALIZED GAINS ON INVESTMENTS: 12,102,721.</Explanation>
      </GeneralExplanation>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="RetDoc1043400001">
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>3M EMPLOYEES WELFARE BENEFITS ASSOCIATION TRUST I</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>3M CENTER BUILDING 224-5N-40</AddressLine1>
          <City>ST PAUL</City>
          <State>MN</State>
          <ZIPCode>55144</ZIPCode>
        </AddressUS>
        <EIN>411294448</EIN>
        <PrimaryActivities>FINANCE HEALTH CARE BENEFITS PROVIDED TO RETIRED 3M EMPLOYEES</PrimaryActivities>
        <LegalDomicileState>MN</LegalDomicileState>
        <ExemptCodeSection>501(C)(9)</ExemptCodeSection>
        <PublicCharityStatus>N/A</PublicCharityStatus>
        <DirectControllingEntityNA>N/A</DirectControllingEntityNA>
        <ControlledOrg>0</ControlledOrg>
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        <AddressUS>
          <AddressLine1>3M CENTER BUILDING 224-5N-40</AddressLine1>
          <City>ST PAUL</City>
          <State>MN</State>
          <ZIPCode>55144</ZIPCode>
        </AddressUS>
        <EIN>363604792</EIN>
        <PrimaryActivities>FINANCE MEDICAL, DENTAL, &amp; L-T DISABILITY BENEFITS TO CURRENT 3M EMPLOYEES</PrimaryActivities>
        <LegalDomicileState>MN</LegalDomicileState>
        <ExemptCodeSection>501(C)(9)</ExemptCodeSection>
        <PublicCharityStatus>N/A</PublicCharityStatus>
        <DirectControllingEntityNA>N/A</DirectControllingEntityNA>
        <ControlledOrg>0</ControlledOrg>
      </Form990ScheduleRPartII>
      <Form990ScheduleRPartII>
        <NameOfDisregardedEntity>
          <BusinessNameLine1>3M EMPLOYEES WELFARE BENEFITS ASSOCIATION</BusinessNameLine1>
        </NameOfDisregardedEntity>
        <AddressUS>
          <AddressLine1>3M CENTER BUILDING 224-5N-40</AddressLine1>
          <City>ST PAUL</City>
          <State>MN</State>
          <ZIPCode>55144</ZIPCode>
        </AddressUS>
        <PrimaryActivities>FINANCE BENEFITS TO MEMBERS OF THE CORPORATION</PrimaryActivities>
        <LegalDomicileState>MN</LegalDomicileState>
        <ExemptCodeSection>501(C)(9)</ExemptCodeSection>
        <PublicCharityStatus>N/A</PublicCharityStatus>
        <DirectControllingEntityNA>N/A</DirectControllingEntityNA>
        <ControlledOrg>0</ControlledOrg>
      </Form990ScheduleRPartII>
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          <BusinessNameLine1>3M COMPANY</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>3M CENTER BUILDING 224-5N-40</AddressLine1>
          <City>ST PAUL</City>
          <State>MN</State>
          <ZIPCode>55144</ZIPCode>
        </AddressUS>
        <EIN>410417775</EIN>
        <PrimaryActivity>MANUFACTURING</PrimaryActivity>
        <LegalDomicileState>MN</LegalDomicileState>
        <DirectControllingEntityNA>N/A</DirectControllingEntityNA>
        <TypeOfEntity>C</TypeOfEntity>
      </Form990ScheduleRPartIV>
      <ReceiptOfIntAnnRentsRoyalties>0</ReceiptOfIntAnnRentsRoyalties>
      <GiftGrantOrCapContrToOtherOrg>0</GiftGrantOrCapContrToOtherOrg>
      <GiftGrantOrCapContrFrOtherOrg>0</GiftGrantOrCapContrFrOtherOrg>
      <LoansOrGuaranteesToOtherOrg>0</LoansOrGuaranteesToOtherOrg>
      <LoansOrGuaranteesFromOtherOrg>0</LoansOrGuaranteesFromOtherOrg>
      <SaleOfAssetsToOtherOrg>0</SaleOfAssetsToOtherOrg>
      <PurchaseOfAssetsFromOtherOrg>0</PurchaseOfAssetsFromOtherOrg>
      <ExchangeOfAssets>0</ExchangeOfAssets>
      <RentalOfFacilitiesToOtherOrgs>0</RentalOfFacilitiesToOtherOrgs>
      <RentalOfFacilitiesFrOtherOrgs>0</RentalOfFacilitiesFrOtherOrgs>
      <PerformOfServicesForOtherOrgs>0</PerformOfServicesForOtherOrgs>
      <PerformOfServicesByOtherOrgs>0</PerformOfServicesByOtherOrgs>
      <SharingOfFacilities>0</SharingOfFacilities>
      <SharingOfPaidEmployees>0</SharingOfPaidEmployees>
      <ReimbursementPaidToOtherOrg>0</ReimbursementPaidToOtherOrg>
      <ReimbursementPaidByOtherOrg>0</ReimbursementPaidByOtherOrg>
      <OtherTransferToOtherOrg>0</OtherTransferToOtherOrg>
      <OtherTransferFromOtherOrg>0</OtherTransferFromOtherOrg>
    </IRS990ScheduleR>
  </ReturnData>
</Return>