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      <ExpensesSubtotal>219991009</ExpensesSubtotal>
      <OtherExpensesNotIncluded>11040000</OtherExpensesNotIncluded>
      <ExpensesNotRptdOnFinStmt>11040000</ExpensesNotRptdOnFinStmt>
      <TotalExpensesPerForm990>231031009</TotalExpensesPerForm990>
      <Form990ScheduleDPartXIII>
        <Identifier>OTHER RECONCILING ITEMS FORM 990 TO FINANCIAL STATEMENTS</Identifier>
        <ReturnReference>SCHEDULE D, PART XII, LINE 4B</ReturnReference>
        <Explanation>$ 11,040,000 - Change in Obligations Other than Postretirement Benefit Obligation</Explanation>
      </Form990ScheduleDPartXIII>
    </IRS990ScheduleD>
    <IRS990ScheduleO documentId="IRS990ScheduleO">
      <GeneralExplanation>
        <Identifier>FORM 990, PART VI, SECTION A, LINES 1A &amp; B</Identifier>
        <Explanation>NORTHERN TRUST COMPANY SERVES AS THE SOLE DIRECTED TRUSTEE OF THIS TRUST. THE PLAN SPONSOR IS AON SERVICE CORPORATION. THE TRUST IS ADMINISTERED BY THE PLAN SPONSOR IN ACCORDANCE WITH THE TERMS OF THE TRUST AGREEMENT. AS SUCH, THE VEBA DOES NOT HAVE A GOVERNING BODY THAT EXERCISES DISCRETION. FORM 990, PART VI, LINE 4 AON BENEFIT TRUST filed an amendment trust agreement dated January 3, 2012 to reflect a change in trustee.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>FORM 990, PART VI, SECTION A &amp; B, LINE 8, 12-15</Identifier>
        <Explanation>THESE QUESTIONS ARE NOT APPLICABLE TO THE TRUST. ADDITIONALLY, THE TRUST DOES NOT HAVE ANY EMPLOYEES. THEREFORE, NO PROCESSES RELATED TO EMPLOYEE COMPENSATION ARE IN PLACE.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>DESCRIBE THE PROCESS USED BY MANAGEMENT &amp;/OR GOVERNING BODY TO REVIEW 990</Identifier>
        <ReturnReference>FORM 990, PART VI, LINE 11B</ReturnReference>
        <Explanation>PLAN ADMINISTRATORS REVIEW FORM 990 AND RELATED INFORMATION.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>FORM 990, PART VI, SECTION C, LINE 19</Identifier>
        <Explanation>AS A 501(C)(9) ORGANIZATION, THE TRUST IS NOT REQUIRED TO MAKE THE DOCUMENTS REFERENCED IN QUESTION 19 AVAILABLE TO THE GENERAL PUBLIC.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>FORM 990, PART VII, SECTION A, LINE 1A, COLUMN (B)</Identifier>
        <Explanation>AVERAGE HOURS PER WEEK DEVOTED TO POSITION: AS TRUSTEE, NORTHERN TRUST COMPANY PROVIDES ADMINISTRATIVE SERVICES SUCH AS ACTING AS INVESTMENT MANAGER FOR AON BENEFIT TRUST. THESE SERVICES REQUIRE NUMEROUS INDIVIDUAL BANK EMPLOYEES' INVOLVEMENT IN THE ACTIVITIES OF THE ORGANIZATION AND THUS CANNOT BE QUANTIFIED ON AN HOURLY BASIS, BUT ARE CALCULATED BASED UPON FACTORS SUCH AS THE MARKET VALUE OF THE ACCOUNT AND IN ACCORDANCE WITH NORTHERN TRUST COMPANY'S AGREEMENT WITH AON SERVICE CORPORATION.</Explanation>
      </GeneralExplanation>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="IRS990ScheduleR">
      <Form990ScheduleRPartIV>
        <NameOfRelatedOrg>
          <BusinessNameLine1>AON SERVICE Corporation</BusinessNameLine1>
        </NameOfRelatedOrg>
        <AddressUS>
          <AddressLine1>200 East Randolph St</AddressLine1>
          <City>CHICAGO</City>
          <State>IL</State>
          <ZIPCode>60601</ZIPCode>
        </AddressUS>
        <EIN>363871028</EIN>
        <PrimaryActivity>INSURANCE</PrimaryActivity>
        <LegalDomicileState>IL</LegalDomicileState>
        <DirectControllingEntityName>
          <BusinessNameLine1>NA</BusinessNameLine1>
        </DirectControllingEntityName>
        <TypeOfEntity>C-CORP</TypeOfEntity>
        <ControlledOrg>false</ControlledOrg>
      </Form990ScheduleRPartIV>
      <ReceiptOfIntAnnRentsRoyalties>false</ReceiptOfIntAnnRentsRoyalties>
      <GiftGrantOrCapContrToOtherOrg>false</GiftGrantOrCapContrToOtherOrg>
      <GiftGrantOrCapContrFrOtherOrg>false</GiftGrantOrCapContrFrOtherOrg>
      <LoansOrGuaranteesToOtherOrg>false</LoansOrGuaranteesToOtherOrg>
      <LoansOrGuaranteesFromOtherOrg>false</LoansOrGuaranteesFromOtherOrg>
      <DividendsRelatedOrganization>false</DividendsRelatedOrganization>
      <SaleOfAssetsToOtherOrg>false</SaleOfAssetsToOtherOrg>
      <PurchaseOfAssetsFromOtherOrg>false</PurchaseOfAssetsFromOtherOrg>
      <ExchangeOfAssets>false</ExchangeOfAssets>
      <RentalOfFacilitiesToOtherOrgs>false</RentalOfFacilitiesToOtherOrgs>
      <RentalOfFacilitiesFrOtherOrgs>false</RentalOfFacilitiesFrOtherOrgs>
      <PerformOfServicesForOtherOrgs>false</PerformOfServicesForOtherOrgs>
      <PerformOfServicesByOtherOrgs>false</PerformOfServicesByOtherOrgs>
      <SharingOfFacilities>false</SharingOfFacilities>
      <SharingOfPaidEmployees>false</SharingOfPaidEmployees>
      <ReimbursementPaidToOtherOrg>false</ReimbursementPaidToOtherOrg>
      <ReimbursementPaidByOtherOrg>false</ReimbursementPaidByOtherOrg>
      <OtherTransferToOtherOrg>false</OtherTransferToOtherOrg>
      <OtherTransferFromOtherOrg>true</OtherTransferFromOtherOrg>
    </IRS990ScheduleR>
  </ReturnData>
</Return>