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        <PersonNm>Kenneth Koranda</PersonNm>
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        <PersonNm>Amy Louis</PersonNm>
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        <PersonNm>Timothy M Murray</PersonNm>
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        <PersonNm>Madhavan K Nayar</PersonNm>
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        <PersonNm>Henry B Pearsall</PersonNm>
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        <PersonNm>W Robert Reum</PersonNm>
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        <PersonNm>Robert J Schillerstrom</PersonNm>
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        <PersonNm>F Andrew Simpson</PersonNm>
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        <PersonNm>Stephen C Van Arsdell</PersonNm>
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        <PersonNm>Robert S Wasserman</PersonNm>
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        <PersonNm>Gerard T Donnelly Phd</PersonNm>
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        <ExplanationTxt>CAPITALIZATION POLICY: ARBORETUM COLLECTIONS - THE ARBORETUM'S RARE BOOKS AND PRINT COLLECTIONS ARE NOT CAPITALIZED IN THE ACCOMPANYING AUDITED FINANCIAL STATEMENTS. LIVING WOODY PLANTS ARE ALSO NOT CAPITALIZED UNLESS THEY ARE A MAJOR PART OF A CAPITAL PROJECT. PURCHASES OF COLLECTION ITEMS THAT ARE NOT CAPITALIZED ARE RECORDED AS DECREASES IN UNRESTRICTED NET ASSETS.</ExplanationTxt>
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        <ExplanationTxt>DESCRIPTION OF COLLECTIONS AND FURTHERANCE OF EXEMPT PURPOSE: LIVING COLLECTION - WOODY PLANTS IN CATEGORIES OF TAXONOMIC, GEOGRAPHIC, SPECIAL HABITAT, HORTICULTURAL, RARE/ENDANGERED. 222,000 SPECIMENS REPRESENT 4,200 DIFFERENT KINDS OF TREES, SHRUBS AND OTHER PLANTS FROM 40 COUNTRIES IN THE NORTHERN TEMPERATE ZONE. DISPLAYED ACROSS 1,700 ACRES OF NATURAL LANDSCAPES. PROVIDED FOR BOTANICAL, HORTICULTURAL, AND ARTISTIC STUDY (EDUCATION AND RESEARCH PURPOSE) AND ENJOYMENT OF PLANT SPECIES (SPECIFIC RESEARCH PURPOSE). LIBRARY COLLECTION - 27,000 VOLUMES OF BOTANY, HORTICULTURE, LANDSCAPE DESIGN, NATURAL HISTORY, ECOLOGY; CORRESPONDING RARE DOCUMENTS, AND OTHER PRINTED MATERIALS; 12,000 BOTANICAL ARTWORKS AND 3,400 LANDSCAPE DRAWINGS. AVAILABLE FOR BOTANICAL, HORTICULTURAL, AND ARTISTIC STUDY OF PLANTS (EDUCATIONAL, RESEARCH, AND CULTURAL PURPOSES).</ExplanationTxt>
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      <SupplementalInformationDetail>
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          <BusinessNameLine1Txt>Village of Evergreen Park</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>9418 S Kedzie Ave</AddressLine1Txt>
          <CityNm>Evergreen Park</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60805</ZIPCd>
        </USAddress>
        <RecipientEIN>366005873</RecipientEIN>
        <IRCSectionDesc>GOV'T</IRCSectionDesc>
        <CashGrantAmt>18300</CashGrantAmt>
        <PurposeOfGrantTxt>TREE REPLENISHMENT GRANT</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Land Conservancy</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>4506 Dean St</AddressLine1Txt>
          <CityNm>Woodstock</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60098</ZIPCd>
        </USAddress>
        <RecipientEIN>363727476</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>20189</CashGrantAmt>
        <PurposeOfGrantTxt>IMPROVING URBAN FOREST</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Conserve Lake County</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>32492 N Almond Rd</AddressLine1Txt>
          <CityNm>Grayslake</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60030</ZIPCd>
        </USAddress>
        <RecipientEIN>363989864</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>34863</CashGrantAmt>
        <PurposeOfGrantTxt>IMPROVING URBAN FOREST</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Openlands</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>25 E Washington St Ste 1650</AddressLine1Txt>
          <CityNm>Chicago</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60602</ZIPCd>
        </USAddress>
        <RecipientEIN>362649603</RecipientEIN>
        <IRCSectionDesc>501(C)(3)</IRCSectionDesc>
        <CashGrantAmt>57381</CashGrantAmt>
        <PurposeOfGrantTxt>IMPROVING URBAN FOREST</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Huddleston-McBride Drainage Co</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>Route 1 Fowler Road</AddressLine1Txt>
          <CityNm>Rochelle</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>61068</ZIPCd>
        </USAddress>
        <RecipientEIN>363022250</RecipientEIN>
        <CashGrantAmt>88640</CashGrantAmt>
        <PurposeOfGrantTxt>GRANT TO IMPROVE ARBORETUM DRAINAGE</PurposeOfGrantTxt>
      </RecipientTable>
      <Total501c3OrgCnt>5</Total501c3OrgCnt>
      <TotalOtherOrgCnt>2</TotalOtherOrgCnt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, Line 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>On a quarterly basis, grantees are asked to report on project progress using a template provided with the application process. Failure to comply may result in the cancellation of the grant. A final report is required with a final budget form and match documentation worksheet. Payment is made only to the contracted entitiy for invoices paid by the grant recipients after the completed reimbursement request forms have been received along with valid invoices and/or canceled checks. Only one reimbursement payment will be made to the contracted community upon completion of all phases of the grant project.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <HousingAllowanceOrResidenceInd>X</HousingAllowanceOrResidenceInd>
      <WrittenPolicyRefTAndEExpnssInd>1</WrittenPolicyRefTAndEExpnssInd>
      <SubstantiationRequiredInd>1</SubstantiationRequiredInd>
      <CompensationCommitteeInd>X</CompensationCommitteeInd>
      <Form990OfOtherOrganizationsInd>X</Form990OfOtherOrganizationsInd>
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>0</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>0</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>0</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>0</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>0</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>0</InitialContractExceptionInd>
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        <PersonNm>Gerard T Donnelly Phd</PersonNm>
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        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>443540</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>James S Fawley</PersonNm>
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        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Jill Koski</PersonNm>
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        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>15301</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>31489</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>255576</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Jennifer Goodsmith</PersonNm>
        <TitleTxt>VP-Marketing And Communications</TitleTxt>
        <BaseCompensationFilingOrgAmt>150423</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>9655</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>31602</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>191680</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Susan Wagner</PersonNm>
        <TitleTxt>VP-Education And Information</TitleTxt>
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        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
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        <DeferredCompensationFlngOrgAmt>10184</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>1556</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>182376</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Kris Bachtell</PersonNm>
        <TitleTxt>VP-Collections And Facilities</TitleTxt>
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        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
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        <NontaxableBenefitsFilingOrgAmt>20180</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>224091</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Nicole Cavender</PersonNm>
        <TitleTxt>VP-Science And Conservation</TitleTxt>
        <BaseCompensationFilingOrgAmt>151635</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>9741</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>29999</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>191375</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Kathleen Spiess</PersonNm>
        <TitleTxt>Sr. Director- Major Gifts</TitleTxt>
        <BaseCompensationFilingOrgAmt>148818</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>8890</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>1163</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>158871</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, Line 1a</FormAndLineReferenceDesc>
        <ExplanationTxt>AN ON-SITE RESIDENCE IS PROVIDED FOR THE PRESIDENT AND CEO OF THE ARBORETUM, CURRENTLY GERARD T. DONNELLY, AS A CONDITION OF EMPLOYMENT AND FOR THE CONVENIENCE OF THE ARBORETUM. THE VALUE OF THIS RESIDENCE IS NOT TREATED AS TAXABLE COMPENSATION.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleK documentId="RetDoc1053100001">
      <TaxExemptBondsIssuesGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <IssuerName>
          <BusinessNameLine1Txt>THE COUNTY OF DUPAGE ILLINOIS</BusinessNameLine1Txt>
        </IssuerName>
        <BondIssuerEIN>366006551</BondIssuerEIN>
        <CUSIPNum>262668ACO</CUSIPNum>
        <BondIssuedDt>2003-12-17</BondIssuedDt>
        <IssuePriceAmt>42000000</IssuePriceAmt>
        <PurposeDesc>SEE PART VI</PurposeDesc>
        <DefeasedInd>0</DefeasedInd>
        <OnBehalfOfIssuerInd>0</OnBehalfOfIssuerInd>
        <PoolFinancingInd>0</PoolFinancingInd>
      </TaxExemptBondsIssuesGrp>
      <TaxExemptBondsProceedsGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <TotalProceedsAmt>42155070</TotalProceedsAmt>
        <IssuanceCostsFromProceedsAmt>326250</IssuanceCostsFromProceedsAmt>
        <WorkingCapitalExpendituresAmt>1482400</WorkingCapitalExpendituresAmt>
        <CapitalExpendituresAmt>40346420</CapitalExpendituresAmt>
        <SubstantialCompletionYr>2005</SubstantialCompletionYr>
        <CurrentRefundingInd>0</CurrentRefundingInd>
        <AdvanceRefundingInd>0</AdvanceRefundingInd>
        <FinalAllocationMadeInd>1</FinalAllocationMadeInd>
        <AdequateBooksAndRecMaintInd>1</AdequateBooksAndRecMaintInd>
      </TaxExemptBondsProceedsGrp>
      <TaxExemptBondsPrivateBusUseGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <OwningBondFinancedPropertyInd>0</OwningBondFinancedPropertyInd>
        <AnyLeaseArrangementsInd>0</AnyLeaseArrangementsInd>
        <MgmtContractBondFincdPropInd>0</MgmtContractBondFincdPropInd>
        <AnyResearchAgreementsInd>0</AnyResearchAgreementsInd>
        <BondIssMeetPrvtSecPymtTestInd>0</BondIssMeetPrvtSecPymtTestInd>
        <ChangeInUseBondFinancedPropInd>0</ChangeInUseBondFinancedPropInd>
        <ProcsNonqualifiedBondRemdtdInd>1</ProcsNonqualifiedBondRemdtdInd>
      </TaxExemptBondsPrivateBusUseGrp>
      <TaxExemptBondsArbitrageGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <Form8038TFiledInd>0</Form8038TFiledInd>
        <RebateNotDueYetInd>0</RebateNotDueYetInd>
        <ExceptionToRebateInd>1</ExceptionToRebateInd>
        <NoRebateDueInd>0</NoRebateDueInd>
        <VariableRateIssueInd>1</VariableRateIssueInd>
        <HedgeIdentifiedInBksAndRecInd>0</HedgeIdentifiedInBksAndRecInd>
        <GrossProceedsInvestedInGICInd>1</GrossProceedsInvestedInGICInd>
        <GICProviderName>
          <BusinessNameLine1Txt>CITIGROUP GLOBAL</BusinessNameLine1Txt>
        </GICProviderName>
        <TermOfGICPct>1.500000000000</TermOfGICPct>
        <RegulatorySafeHarborStsfdInd>1</RegulatorySafeHarborStsfdInd>
        <GrossProceedsInvestedInd>0</GrossProceedsInvestedInd>
        <WrittenProcToMonitorReqsInd>0</WrittenProcToMonitorReqsInd>
      </TaxExemptBondsArbitrageGrp>
      <ProceduresCorrectiveActionGrp>
        <BondReferenceCd>A</BondReferenceCd>
        <ProceduresCorrectiveActionInd>0</ProceduresCorrectiveActionInd>
      </ProceduresCorrectiveActionGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule K, Part I, Line A, Column F</FormAndLineReferenceDesc>
        <ExplanationTxt>The proceeds of the bonds were used for (I) the costs of certain capital improvements to the facilities of the borrower located in Lisle, Illinois, including (a) the construction of a visitor center and tram road; (B) visitor facilities and a prairie visitor station, (c) the expansion and improvement of the main entrance of the Morton Arboretum, (D) the restoration of the riverbank, (E) the construction of parking lots and support facilities, (F) the construction of a children's garden, maze garden, Arbor Court and Meadow Lake courtyard facilities and (G) landscaping, storm water facility and related improvements, (II) paying a portion of the interest to accrue on the bonds and (III) paying a portion of certain expenses incurred in connection with the issuance of the bonds.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Schedule K, Part IV, Line 1</FormAndLineReferenceDesc>
        <ExplanationTxt>No, There was no arbitrage rebate or penalty due. The net rebate liability was negative.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleK>
    <IRS990ScheduleM documentId="RetDoc1042900001">
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        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <ContributionCnt>30</ContributionCnt>
        <NoncashContributionsRptF990Amt>728554</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>FAIR MARKET VALUE</MethodOfDeterminingRevenuesTxt>
      </SecuritiesPubliclyTradedGrp>
      <OtherNonCashContriTableGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <Desc>Books</Desc>
        <ContributionCnt>10</ContributionCnt>
        <NoncashContributionsRptF990Amt>30577</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>faiR MARKET VALUE</MethodOfDeterminingRevenuesTxt>
      </OtherNonCashContriTableGrp>
      <OtherNonCashContriTableGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <Desc>supplies</Desc>
        <ContributionCnt>9</ContributionCnt>
        <NoncashContributionsRptF990Amt>1100</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>FAIR MARKET VALUE</MethodOfDeterminingRevenuesTxt>
      </OtherNonCashContriTableGrp>
      <AnyPropertyThatMustBeHeldInd>0</AnyPropertyThatMustBeHeldInd>
      <ReviewProcessUnusualNCGiftsInd>1</ReviewProcessUnusualNCGiftsInd>
      <ThirdPartiesUsedInd>0</ThirdPartiesUsedInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, Column (b):</FormAndLineReferenceDesc>
        <ExplanationTxt>The organization is reporting in Part I, Column (B), the number of contributions.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleM>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 3</FormAndLineReferenceDesc>
        <ExplanationTxt>The Arboretum contracts with Aramark Corporation to manage and operate food services.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990 IS PREPARED BY THE ARBORETUM'S ACCOUNTANTS, REVIEWED BY THE AUDIT COMMITTEE AND DISTRIBUTED TO THE BOARD OF TRUSTEES PRIOR TO FILING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MORTON ARBORETUM REQUIRES THAT ALL TRUSTEES, EMPLOYEES, AND VOLUNTEERS DISCLOSE AND DECLARE ANY PERSONAL, FAMILIAL, OR BUSINESS RELATIONSHIPS, SITUATIONS, OR ACTIVITIES THAT HAVE THE POTENTIAL TO CREATE A CONFLICT OF INTEREST. FOR TRUSTEES AND EMPLOYEES, THE DECLARATION MUST BE RENEWED ANNUALLY AND WHEN APPLICABLE CHANGES OCCUR. THE ARBORETUM SUPPLIES A CONFLICT OF INTEREST DECLARATION FORM TO ALL TRUSTEES AND EMPLOYEES FOR THIS PURPOSE. VOLUNTEERS ARE INFORMED OF THIS POLICY AT THE ONSET OF THEIR SERVICE, IN THE PUBLISHED VOLUNTEER HANDBOOK, AND IN PERIODIC COMMUNICATIONS. FOR ALL TRUSTEES, EMPLOYEES, AND VOLUNTEERS, RELATIONSHIPS OR SITUATIONS THAT ARISE THAT MAY CREATE OR APPEAR TO CREATE CONFLICT OF INTEREST MUST BE BROUGHT TO THE ATTENTION OF THE PRESIDENT OR THE CHAIRMAN OF THE BOARD OF TRUSTEES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 15</FormAndLineReferenceDesc>
        <ExplanationTxt>THE PROCESS FOR DETERMINING COMPENSATION OF OFFICERS AND KEY EMPLOYEES INCLUDES A MARKET ANALYSIS OF COMPARABLE POSITIONS FROM PEER GARDENS AND OTHER SIMILAR ORGANIZATIONS FOR BENCHMARKING PURPOSES. THIS INFORMATION IS REVIEWED BY INTERNAL HUMAN RESOURCES PROFESSIONALS AND THE MANAGEMENT DEVELOPMENT AND COMPENSATION COMMITTEE OF THE BOARD OF TRUSTEES. THE FULL BOARD REVIEWS AND APPROVES RECOMMENDATIONS OF COMPENSATION MATTERS FOR THE PRESIDENT AND CEO. THE COMPENSATION OF OTHER OFFICERS AND KEY EMPLOYEES IS REVIEWED BY THE COMPENSATION COMMITTEE OF THE BOARD.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>FINANCIAL STATEMENTS ARE AVAILABLE TO THE PUBLIC ON THE ARBORETUM'S WEBSITE (WWW.MORTONARB.ORG) AND ANNUAL REPORT. GOVERNING DOCUMENTS AND CONFLICT OF INTEREST POLICY ARE AVAILABLE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part XI, line 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>ROUNDING -2. PENSION ACTUARIAL ADJUSTMENT -271,101.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>