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        <OrganizationChangeSuprtOrgInd>false</OrganizationChangeSuprtOrgInd>
        <SupportNonSupportedOrgInd>false</SupportNonSupportedOrgInd>
        <PaymentSubstantialContribtrInd>false</PaymentSubstantialContribtrInd>
        <LoanDisqualifiedPersonInd>false</LoanDisqualifiedPersonInd>
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        <DisqualifiedPrsnControllIntInd>false</DisqualifiedPrsnControllIntInd>
        <DisqualifiedPrsnOwnrIntInd>false</DisqualifiedPrsnOwnrIntInd>
        <ExcessBusinessHoldingsRulesInd>false</ExcessBusinessHoldingsRulesInd>
        <ContributionControllerInd>false</ContributionControllerInd>
        <ContributionFamilyInd>false</ContributionFamilyInd>
        <Contribution35ControlledInd>false</Contribution35ControlledInd>
      </Form990SchASupportingOrgGrp>
      <Form990SchAType1SuprtOrgGrp>
        <PowerAppointMajorityDirTrstInd>true</PowerAppointMajorityDirTrstInd>
        <OperateBenefitNonSuprtOrgInd>false</OperateBenefitNonSuprtOrgInd>
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    </IRS990ScheduleA>
    <IRS990ScheduleD documentId="IRS990ScheduleD" softwareId="21014044" softwareVersionNum="2021v4.2">
      <OtherSecuritiesGrp>
        <Desc>CLOSELY HELD EQUITIES</Desc>
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        <MethodValuationCd>F</MethodValuationCd>
      </OtherSecuritiesGrp>
      <OtherSecuritiesGrp>
        <Desc>FIXED INCOME</Desc>
        <BookValueAmt>20502681</BookValueAmt>
        <MethodValuationCd>F</MethodValuationCd>
      </OtherSecuritiesGrp>
      <OtherSecuritiesGrp>
        <Desc>REAL ASSETS AND ABSOLUTE RET</Desc>
        <BookValueAmt>114828197</BookValueAmt>
        <MethodValuationCd>F</MethodValuationCd>
      </OtherSecuritiesGrp>
      <OtherSecuritiesGrp>
        <Desc>PRIVATE DEBT</Desc>
        <BookValueAmt>13653476</BookValueAmt>
        <MethodValuationCd>F</MethodValuationCd>
      </OtherSecuritiesGrp>
      <OtherSecuritiesGrp>
        <Desc>CASH EQUIVALENTS</Desc>
        <BookValueAmt>5824140</BookValueAmt>
        <MethodValuationCd>F</MethodValuationCd>
      </OtherSecuritiesGrp>
      <TotalBookValueSecuritiesAmt>244409223</TotalBookValueSecuritiesAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>ACTUARIALLY DETERMINED LIABILITY</Desc>
        <Amt>239308000</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>ADVANCE CONTRIBUTION</Desc>
        <Amt>31736399</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>271044399</TotalLiabilityAmt>
    </IRS990ScheduleD>
    <IRS990ScheduleO documentId="IRS990ScheduleO" softwareId="21014044" softwareVersionNum="2021v4.2">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 12a PART VI, LINE 12</FormAndLineReferenceDesc>
        <ExplanationTxt>THE UNIVERSITY OF CHICAGO SELF INSURANCE TRUST DOES NOT HAVE OFFICERS OR INDIVIDUAL TRUSTEES. THE UNIVERSITY OF CHICAGO IS THE INSTITUTIONAL TRUSTEE OF THE SELF INSURANCE TRUST. THE UNIVERSITY OF CHICAGO HAS A WRITTEN CONFLICT OF INTEREST POLICY AND THE OFFICERS AND TRUSTEES OF THE UNIVERSITY ARE REQUIRED TO COMPLETE CONFLICT OF INTEREST QUESTIONNAIRES, WHICH INCLUDE ALL RELATED ORGANIZATIONS INCLUDING THE SELF INSURANCE TRUST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 13 PART VI, LINE 13</FormAndLineReferenceDesc>
        <ExplanationTxt>THE UNIVERSITY OF CHICAGO SELF INSURANCE TRUST DOES NOT HAVE ANY EMPLOYEES. THE UNIVERSITY OF CHICAGO, THE INSTITUTIONAL TRUSTEE, HAS A WRITTEN WHISTLEBLOWER POLICY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 14 PART VI, LINE 14</FormAndLineReferenceDesc>
        <ExplanationTxt>THE UNIVERSITY OF CHICAGO SELF INSURANCE TRUST DOES NOT HAVE A WRITTEN DOCUMENT RETENTION POLICY. THE UNIVERSITY OF CHICAGO, THE INSTITUTIONAL TRUSTEE, DOES HAVE A WRITTEN DOCUMENT RETENTION POLICY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 15 PART VI, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>THE UNIVERSITY OF CHICAGO SELF INSURANCE TRUST DOES NOT HAVE ANY EMPLOYEES. THE UNIVERSITY OF CHICAGO IS THE INSTITUTIONAL TRUSTEE. THE UNIVERSITY OF CHICAGO DOES HAVE A PROCESS TO REVIEW AND APPROVE THE COMPENSATION OF OFFICERS AND KEY EMPLOYEES OF THE UNIVERSITY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 8b Documentation of meetings held by committees of governing body</FormAndLineReferenceDesc>
        <ExplanationTxt>THE UNIVERSITY OF CHICAGO SELF INSURANCE TRUST IS A TRUST TO SETTLE HEALTH CARE CLAIMS ASSERTED BY PATIENTS CLAIMING PROFESSIONAL NEGLIGENCE. THE SELF INSURANCE TRUST DOES NOT HAVE ITS OWN GOVERNING BOARD. THE UNIVERSITY OF CHICAGO IS THE SOLE INSTITUTIONAL TRUSTEE. THE UNIVERSITY OF CHICAGO HAS A GOVERNING BODY AND DOCUMENTED MEETINGS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 11b Review of form 990 by governing body</FormAndLineReferenceDesc>
        <ExplanationTxt>PRIOR TO FILING THE FORM 990, THE DRAFT TAX RETURN WAS PROVIDED TO THE VICE PRESIDENT FOR ADMINISTRATION AND CFO AND TO THE VICE PRESIDENT AND GENERAL COUNSEL OF THE UNIVERSITY OF CHICAGO. THE UNIVERSITY OF CHICAGO IS THE INSTITUTIONAL TRUSTEE OF THE SELF INSURANCE TRUST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Line 19 Required documents available to the public</FormAndLineReferenceDesc>
        <ExplanationTxt>THE UNIVERSITY OF CHICAGO SELF INSURANCE TRUST'S GOVERNING DOCUMENTS WOULD BE AVAILABLE UPON REQUEST AT THE UNIVERSITY OF CHICAGO. THE SELF INSURANCE TRUST DOES NOT PREPARE AUDITED FINANCIAL STATEMENTS.</ExplanationTxt>
      </SupplementalInformationDetail>
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        <DisregardedEntityName>
          <BusinessNameLine1Txt>UNIVERSITY OF CHICAGO</BusinessNameLine1Txt>
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          <CityNm>CHICAGO</CityNm>
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      <IdRelatedTaxExemptOrgGrp>
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          <BusinessNameLine1Txt>ARCH DEVELOPMENT CORPORATION</BusinessNameLine1Txt>
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          <AddressLine1Txt>5555 S WOODLAWN AVENUE</AddressLine1Txt>
          <CityNm>CHICAGO</CityNm>
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        <PublicCharityStatusTxt>Type I</PublicCharityStatusTxt>
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          <BusinessNameLine1Txt>UNIV OF CHICAGO</BusinessNameLine1Txt>
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        <ControlledOrganizationInd>false</ControlledOrganizationInd>
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      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>CHICAGO TUMOR INSTITUTE</BusinessNameLine1Txt>
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          <AddressLine1Txt>5801 S ELLIS AVENUE</AddressLine1Txt>
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          <ZIPCd>60637</ZIPCd>
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          <BusinessNameLine1Txt>UNIV OF CHICAGO</BusinessNameLine1Txt>
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        <ControlledOrganizationInd>false</ControlledOrganizationInd>
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      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>COURT THEATRE FUND</BusinessNameLine1Txt>
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          <AddressLine1Txt>5535 S ELLIS AVENUE</AddressLine1Txt>
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          <StateAbbreviationCd>IL</StateAbbreviationCd>
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        </USAddress>
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        <PrimaryActivitiesTxt>SUPP THE ARTS</PrimaryActivitiesTxt>
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      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>FERMI RESEARCH ALLIANCE LLC</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>PO BOX 500</AddressLine1Txt>
          <CityNm>BATAVIA</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60510</ZIPCd>
        </USAddress>
        <EIN>571239010</EIN>
        <PrimaryActivitiesTxt>MANAGE LAB</PrimaryActivitiesTxt>
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          <BusinessNameLine1Txt>HYMEN MILGROM SUPPORTING ORGANIZATION</BusinessNameLine1Txt>
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          <CityNm>CHICAGO</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60602</ZIPCd>
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          <BusinessNameLine1Txt>LAKE PARK ASSOCIATES</BusinessNameLine1Txt>
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          <StateAbbreviationCd>IL</StateAbbreviationCd>
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        <PrimaryActivitiesTxt>PROPERTY HOLDING</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
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          <BusinessNameLine1Txt>UNIV OF CHICAGO</BusinessNameLine1Txt>
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        <ControlledOrganizationInd>false</ControlledOrganizationInd>
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      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>NATIONAL OPINION RESEARCH CENTER</BusinessNameLine1Txt>
        </DisregardedEntityName>
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          <AddressLine1Txt>55 E MONROE AVENUE</AddressLine1Txt>
          <CityNm>CHICAGO</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60603</ZIPCd>
        </USAddress>
        <EIN>362167808</EIN>
        <PrimaryActivitiesTxt>SO SCI SURVEYS</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
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        <PublicCharityStatusTxt>7</PublicCharityStatusTxt>
        <DirectControllingNACd>N/A</DirectControllingNACd>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
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        <DisregardedEntityName>
          <BusinessNameLine1Txt>THE JOHN CRERAR FOUNDATION</BusinessNameLine1Txt>
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          <AddressLine1Txt>5730 S ELLIS AVENUE</AddressLine1Txt>
          <CityNm>CHICAGO</CityNm>
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        </USAddress>
        <EIN>363155157</EIN>
        <PrimaryActivitiesTxt>SUPPORT THE LIBRARY</PrimaryActivitiesTxt>
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        <DisregardedEntityName>
          <BusinessNameLine1Txt>THE MARINE BIOLOGICAL LABORATORY</BusinessNameLine1Txt>
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          <AddressLine1Txt>7 MBL STREET</AddressLine1Txt>
          <CityNm>WOODS HOLE</CityNm>
          <StateAbbreviationCd>MA</StateAbbreviationCd>
          <ZIPCd>02543</ZIPCd>
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        <PrimaryActivitiesTxt>SOCIAL CLUB</PrimaryActivitiesTxt>
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          <BusinessNameLine1Txt>UCHICAGO RESEARCH INTERNATIONAL LTD</BusinessNameLine1Txt>
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          <AddressLine1Txt>5801 S ELLIS AVENUE</AddressLine1Txt>
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          <BusinessNameLine1Txt>UNIV OF CHICAGO</BusinessNameLine1Txt>
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        <ControlledOrganizationInd>false</ControlledOrganizationInd>
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      <IdRelatedTaxExemptOrgGrp>
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          <BusinessNameLine1Txt>UNIV OF CHGO BOOTH SCHL OF BUSINESS</BusinessNameLine1Txt>
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        <PrimaryActivitiesTxt>EDUCATION</PrimaryActivitiesTxt>
        <LegalDomicileForeignCountryCd>UK</LegalDomicileForeignCountryCd>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>UNIV OF CHICAGO</BusinessNameLine1Txt>
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        <ControlledOrganizationInd>false</ControlledOrganizationInd>
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      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>UNIV OF CHGO BOOTH SCHL OF BUSINESS</BusinessNameLine1Txt>
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        <PrimaryActivitiesTxt>EDUCATION</PrimaryActivitiesTxt>
        <LegalDomicileForeignCountryCd>SN</LegalDomicileForeignCountryCd>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>UNIV OF CHICAGO</BusinessNameLine1Txt>
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        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>UNIV OF CHGO FOUNDATION IN HONG KONG LTD</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <PrimaryActivitiesTxt>FUNDRAISING</PrimaryActivitiesTxt>
        <LegalDomicileForeignCountryCd>HK</LegalDomicileForeignCountryCd>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>UNIV OF CHICAGO</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>UNIVERSITY OF CHICAGO CANCER RESEARCH Foundation</BusinessNameLine1Txt>
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          <AddressLine1Txt>5801 S ELLIS AVENUE</AddressLine1Txt>
          <CityNm>CHICAGO</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60637</ZIPCd>
        </USAddress>
        <EIN>366056201</EIN>
        <PrimaryActivitiesTxt>SUPP RESEARCH</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
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        <PublicCharityStatusTxt>Type I</PublicCharityStatusTxt>
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          <BusinessNameLine1Txt>UNIV OF CHICAGO</BusinessNameLine1Txt>
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        <ControlledOrganizationInd>false</ControlledOrganizationInd>
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      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>UNIVERSITY OF CHICAGO CENTER IN PARIS</BusinessNameLine1Txt>
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        <PrimaryActivitiesTxt>EDUCATION</PrimaryActivitiesTxt>
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        <DirectControllingEntityName>
          <BusinessNameLine1Txt>UNIV OF CHICAGO</BusinessNameLine1Txt>
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        <ControlledOrganizationInd>false</ControlledOrganizationInd>
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      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>UNIVERSITY OF CHICAGO CLOISTERS CLUB</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>1212 E 59TH STREET</AddressLine1Txt>
          <CityNm>CHICAGO</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60637</ZIPCd>
        </USAddress>
        <PrimaryActivitiesTxt>SOCIAL CLUB</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>UNIV OF CHICAGO</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>UNIVERSITY OF CHICAGO PROPERTY HOLDING CORP</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>5801 S ELLIS AVENUE</AddressLine1Txt>
          <CityNm>CHICAGO</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60637</ZIPCd>
        </USAddress>
        <EIN>366108743</EIN>
        <PrimaryActivitiesTxt>PROPERTY HOLDING</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(c)(2)</ExemptCodeSectionTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>UNIV OF CHICAGO</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>UNIV OF CHICAGO CHARTER SCHOOL CORP</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>5801 S ELLIS AVENUE</AddressLine1Txt>
          <CityNm>CHICAGO</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60637</ZIPCd>
        </USAddress>
        <EIN>364225812</EIN>
        <PrimaryActivitiesTxt>EDUCATION</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(c)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>2</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>UNIV OF CHICAGO</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>UNIVERSITY OF CHICAGO RETIREE MEDICAL TRUST</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>5801 S ELLIS AVENUE</AddressLine1Txt>
          <CityNm>CHICAGO</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60637</ZIPCd>
        </USAddress>
        <EIN>363999692</EIN>
        <PrimaryActivitiesTxt>MEDICAL TRUST</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(c)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>Type I</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>UNIV OF CHICAGO</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>UNIVERSITY OF CHICAGO MEDICAL CTR</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>5841 S MARYLAND AVENUE</AddressLine1Txt>
          <CityNm>CHICAGO</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60637</ZIPCd>
        </USAddress>
        <EIN>363488183</EIN>
        <PrimaryActivitiesTxt>HOSPITAL</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(c)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>3</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>UNIV OF CHICAGO</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>UNIVERSITY OF CHICAGO TRUST (INDIA)</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <ForeignAddress>
          <AddressLine1Txt>L-9 east wing raheja towers mg r</AddressLine1Txt>
          <CityNm>BANGALORE</CityNm>
          <ProvinceOrStateNm>karnataka</ProvinceOrStateNm>
          <CountryCd>IN</CountryCd>
          <ForeignPostalCd>560001</ForeignPostalCd>
        </ForeignAddress>
        <PrimaryActivitiesTxt>FUNDRAISING</PrimaryActivitiesTxt>
        <LegalDomicileForeignCountryCd>IN</LegalDomicileForeignCountryCd>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>UNIV OF CHICAGO</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>UCM COMMUNITY HEALTH &amp; HOSPITAL DIVISION INC</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>208 SOUTH LASALLE STREET</AddressLine1Txt>
          <CityNm>CHICAGO</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60604</ZIPCd>
        </USAddress>
        <EIN>363181170</EIN>
        <PrimaryActivitiesTxt>PROMOTE HEALTHY COMMUNITIES &amp; HEALTHCARE SERVICES</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(c)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>Type II</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>UNIV OF CHICAGO MEDICAL CENTER</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>UCHICAGO (BEIJING) CONSULTING COMPANY LTD CHINA</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <PrimaryActivitiesTxt>CONSULTING</PrimaryActivitiesTxt>
        <LegalDomicileForeignCountryCd>CH</LegalDomicileForeignCountryCd>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>UNIVERSITY OF CHICAGO</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>UCHICAGO CENTER IN INDIA PRIVATE LIMITED</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <PrimaryActivitiesTxt>CONSULTING</PrimaryActivitiesTxt>
        <LegalDomicileForeignCountryCd>IN</LegalDomicileForeignCountryCd>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>UNIVERSITY OF CHICAGO</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>SC CURRICULUM INC</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>70 WEST MADISON ST</AddressLine1Txt>
          <CityNm>CHICAGO</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60603</ZIPCd>
        </USAddress>
        <PrimaryActivitiesTxt>SCIENCE CURRICULUM</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>UNIVERSITY OF CHICAGO</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>false</ControlledOrganizationInd>
      </IdRelatedOrgTxblCorpTrGrp>
      <IdRelatedOrgTxblCorpTrGrp>
        <RelatedOrganizationName>
          <BusinessNameLine1Txt>PHOENIX OVERLAY FUND LTD</BusinessNameLine1Txt>
        </RelatedOrganizationName>
        <USAddress>
          <AddressLine1Txt>401 N MICHIGAN AVENUE</AddressLine1Txt>
          <CityNm>CHICAGO</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60611</ZIPCd>
        </USAddress>
        <PrimaryActivitiesTxt>INVESTING</PrimaryActivitiesTxt>
        <LegalDomicileForeignCountryCd>CJ</LegalDomicileForeignCountryCd>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>UNIVERSITY OF CHICAGO</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <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>false</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>false</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>false</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>true</TransferFromOtherOrgInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule R, Part I SCHEDULE R, PART I</FormAndLineReferenceDesc>
        <ExplanationTxt>THE UNIVERSITY OF CHICAGO SELF INSURANCE TRUST IS A RELATED ORGANIZATION OF THE UNIVERSITY OF CHICAGO, A 501(C)(3) ORGANIZATION. FOR PURPOSES OF completeness, THE FOLLOWING INFORMATION IS PROVIDED: THE RELATED ORGANIZATIONS LISTED BELOW ARE DISREGARDED ENTITIES OF THE UNIVERSITY OF CHICAGO: UCHICAGO ARGONNE LLC -68-0628477; 5801 S. ELLIS AVENUE, CHICAGO, IL 60637 PRIMARY ACTIVITY: MANAGE LAB; LEGAL DOMICILE: ILLINOIS UNIVERSITY OF CHICAGO FOUNDATION LTD - 98-0525557; 5TH FL ALDER CASTLE, 10 NOBLE, LONDON, UNITED KINGDOM PRIMARY ACTIVITY: FUNDRAISING; LEGAL DOMICILE: UNITED KINGDOM THEORY AND COMPUTING SCIENCES BUILDING TRUST - 51-6596577; 5801 S. ELLIS AVENUE, CHICAGO, IL 60637 PRIMARY ACTIVITY: RESEARCH BUILDING; LEGAL DOMICILE: ILLINOIS UCHICAGO TRADING - 30-0517735, 5801 S. ELLIS AVENUE, CHICAGO, IL 60637 PRIMARY ACTIVITY: INVESTING; LEGAL DOMICILE: ILLINOIS MAROON INVESTMENTS LLC - 5801 S. ELLIS AVENUE, CHICAGO, IL 60637 PRIMARY ACTIVITY: HOLDING COMPANY; LEGAL DOMICILE: DELAWARE UCHICAGO IMPACT LLC - 61-1682394; 1307 E. 60TH STREET, CHICAGO, IL 60637 PRIMARY ACTIVITY: EDUCATION; LEGAL DOMICILE: ILLINOIS Harper Court Holdings, LLC - 5801 S. ELLIS AVENUE, CHICAGO, IL 60637 PRIMARY ACTIVITY: HOLDING COMPANY: LEGAL DOMICILE: ILLINOIS LPA MANAGEMENT LLC - 5801 S. ELLIS AVENUE, CHICAGO, IL 60637 PRIMARY ACTIVITY: PROPERTY MANAGEMENT: LEGAL DOMICILE: ILLINOIS 6014 Cottage Grove LPA Holdings LLC - 5801 S. Ellis Avenue, Chicago, IL 60637 Primary Activity: Property Holding Company Legal Domicile: Illinois Center for Research in Securities Prices LLC - 5801 S. Ellis Avenue, Chicago, IL 60637 Primary Activity: Securities Research and Data Legal Domicile: Illinois Harper Court Holdings 2, LLC- 5801 S. Ellis Avenue, Chicago, IL 60637 Primary Activity: Holding Company Legal Domicile: Illinois FOR PURPOSES OF COMPLETENESS, PLEASE NOTE THE FOLLOWING: THE ENTITIES LISTED BELOW ARE DISREGARDED ENTITIES OF THE UNIVERSITY OF CHICAGO MEDICAL CENTER: UCMC COMMUNITY PHYSICIANS LLC, 5841 S. MARYLAND AVE., CHICAGO, IL 60637 EIN: 38-3865637; PRIMARY ACTIVITY: PHYSICIAN SERVICES; LEGAL DOMICILE: ILLINOIS UNIVERSITY OF CHICAGO MEDICINE CARE NETWORK LLC, 5841 S. MARYLAND AVE., CHICAGO, IL 60637 EIN: 47-4222269; PRIMARY ACTIVITY: HEALTHCARE; LEGAL DOMICILE: ILLINOIS UCM GLOBAL LLC, 5841 S. MARYLAND AVE., CHICAGO, IL 60637 EIN: 32-0579811; PRIMARY ACTIVITY: INTERNATIONAL MEDICAL CONSULTING; LEGAL DOMICILE: ILLINOIS ALSO NOTE: THE UNIVERSITY OF CHICAGO MEDICAL CENTER IS A LESS THAN 50% MEMBER IN A JOINT VENTURE WITH UCMC/SCH ONCOLOGY JV LLC, A TAX EXEMPT ENTITY, 1850 SILVER CROSS BLVD, NEW LENOX, IL 60451, EIN: 32-2436795 AND THE UNIVERSITY OF CHICAGO MEDICINE CARE NETWORK, LLC, A DISREGARDED ENTITY OF THE UNIVERSITY OF CHICAGO MEDICAL CENTER, IS THE SOLE MEMBER OF THE FOLLOWING RELATED ENTITIES: UCM CARE NETWORK MEDICAL GROUP INC. 5841 S. MARYLAND AVE., CHICAGO, IL 60637 EIN: 47-4221241; PRIMARY ACTIVITY: HEALTHCARE; LEGAL DOMICILE: ILLINOIS UNIVERSITY OF CHICAGO MEDICINE CARE NETWORK AFFILIATED PHYSICIANS LLC, 5841 S. MARYLAND, CHICAGO, IL 60637, EIN: 47-4233918; PRIMARY ACTIVITY: HEALTHCARE; LEGAL DOMICILE: ILLINOIS THE FOLLOWING ENTITY IS A DISREGARDED ENTITY OF UCHICAGO RESEARCH INTERNATIONAL, A RELATED ENTITY: UCHICAGO RESEARCH BANGLADESH LLC, 5801 S. ELLIS AVENUE, CHICAGO, IL 60637 PRIMARY ACTIVITY: SUPPORT RESEARCH; LEGAL DOMICILE: ILLINOIS</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleR>
  </ReturnData>
</Return>
