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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE COMPONENT OF TRUST I NOT SUBJECT TO COLLECTIVE BARGAINING AGREEMENTS CONSTITUTES A QUALIFIED VOLUNTARY EMPLOYEE BENEFIT ASSOCIATION UNDER SECTION 501(C)(9) OF THE INTERNAL REVENUE CODE (IRC) AND IS, THEREFORE, CONSIDERED TO BE EXEMPT FROM FEDERAL INCOME TAXES UNDER PROVISIONS OF SECTION 501(A), EXCEPT FOR ANY UNRELATED BUSINESS INCOME. SUCH UNRELATED BUSINESS INCOME ESSENTIALLY CONSISTS OF INVESTMENT INCOME AND IS SUBJECT TO UNRELATED BUSINESS INCOME TAXES BASED UPON THE CHARACTER OF THE INCOME TAXED (CAPITAL VERSUS ORDINARY). THE PLAN FILES UNRELATED BUSINESS INCOME TAX (UBIT) RETURNS IN THE U.S. FEDERAL JURISDICTION. THE COMPONENT OF TRUST I SUBJECT TO COLLECTIVE BARGAINING AGREEMENTS AND 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 I AND TRUST III OBTAINED THEIR LATEST DETERMINATION LETTERS ON JUNE 22, 1977 AND NOVEMBER 22, 1993, RESPECTIVELY, IN WHICH THE INTERNAL REVENUE SERVICE (IRS) STATED THAT TRUST I AND TRUST III, AS THEN DESIGNED, WERE IN COMPLIANCE WITH THE APPLICABLE REQUIREMENTS OF THE IRC. TRUST I HAS BEEN AMENDED SINCE RECEIVING THE DETERMINATION LETTER. HOWEVER, TRUST I AND TRUST III'S ADMINISTRATOR BELIEVES THAT THE PLAN AND TRUSTS 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, 2013, 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. IN 2012, TRUST I FILED AMENDED FEDERAL FORM 990-T'S FOR CALENDAR YEARS ENDING 2008-2010 FOR A CHANGE IN ESTIMATE OF ITS UBIT. THE IRC PROVIDES THAT PASSIVE INCOME CAN BE "SET ASIDE" IF IT IS USED FOR THE PURPOSE OF THE PAYMENT OF BENEFITS OR FOR ADMINISTRATIVE COSTS RELATED TO SUCH PURPOSE. THE PLAN ADMINISTRATOR BELIEVES THE PASSIVE INCOME USED TO PAY CLAIMS INCURRED BUT NOT REPORTED CAN BE "SET ASIDE." THE CHANGE IN ESTIMATE FOR THIS "SET ASIDE" AMOUNT RESULTED IN A RECEIVABLE OF $3,528,230 FOR TAX YEARS 2008-2011. THE RECEIVABLE IS INCLUDED ON THE INCOME TAXES PAYABLE LINE AT DECEMBER 31, 2013 AND ON THE INCOME TAXES RECEIVABLE LINE AT DECEMBER 31, 2012 ON THE STATEMENT OF NET ASSETS. THE AMENDED FORM 990-T'S ARE CURRENTLY BEING EXAMINED BY THE IRS.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 8A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE TRUST IS NOT REQUIRED TO HOLD MEETINGS. THEREFORE, THE TRUST DID NOT PREPARE ANY CONTEMPORANEOUS DOCUMENTATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 8B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE TRUST IS NOT REQUIRED TO HOLD MEETINGS. THEREFORE, THE TRUST DID NOT PREPARE ANY CONTEMPORANEOUS DOCUMENTATION.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11</FormAndLineReferenceDesc>
        <ExplanationTxt>THE RETURN IS REVIEWED BY INDIVIDUALS WITHIN THE 3M COMPANY TAX DEPARTMENT PRIOR TO FILING.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>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.</ExplanationTxt>
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          <State>MN</State>
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</Return>