<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.irs.gov/efile" returnVersion="2021v4.2">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2022-11-15T08:18:27-06:00</ReturnTs>
    <TaxPeriodEndDt>2021-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>362985770</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>SELDEN FOX LTD</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>619 ENTERPRISE DRIVE</AddressLine1Txt>
        <CityNm>OAK BROOK</CityNm>
        <StateAbbreviationCd>IL</StateAbbreviationCd>
        <ZIPCd>605238835</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990</ReturnTypeCd>
    <TaxPeriodBeginDt>2021-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>521850793</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>AMERICAN SOCIETY FOR TRANSPLANTATION AND</BusinessNameLine1Txt>
        <BusinessNameLine2Txt>CELLULAR THERAPY</BusinessNameLine2Txt>
      </BusinessName>
      <BusinessNameControlTxt>AMER</BusinessNameControlTxt>
      <PhoneNum>3123216820</PhoneNum>
      <USAddress>
        <AddressLine1Txt>330 N WABASH AVENUE 2000</AddressLine1Txt>
        <CityNm>CHICAGO</CityNm>
        <StateAbbreviationCd>IL</StateAbbreviationCd>
        <ZIPCd>60611</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>UDAY POPAT</PersonNm>
      <PersonTitleTxt>TREASURER</PersonTitleTxt>
      <PhoneNum>3123216820</PhoneNum>
      <SignatureDt>2022-11-14</SignatureDt>
      <DiscussWithPaidPreparerInd>1</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <SigningOfficerGrp>
      <PersonFullName>
        <PersonFirstNm>UDAY</PersonFirstNm>
        <PersonLastNm>POPAT</PersonLastNm>
      </PersonFullName>
      <SSN>999009999</SSN>
    </SigningOfficerGrp>
    <PreparerPersonGrp>
      <PreparerPersonNm>ROBERT G WUJEK</PreparerPersonNm>
      <PTIN>P01367472</PTIN>
      <PhoneNum>6309541400</PhoneNum>
    </PreparerPersonGrp>
    <AdditionalFilerInformation>
      <TrustedCustomerGrp>
        <TrustedCustomerCd>3</TrustedCustomerCd>
        <AuthenticationAssuranceLevelCd>AAL1</AuthenticationAssuranceLevelCd>
        <IdentityAssuranceLevelCd>IAL1</IdentityAssuranceLevelCd>
      </TrustedCustomerGrp>
    </AdditionalFilerInformation>
    <TaxYr>2021</TaxYr>
    <BuildTS>2022-09-23 18:48:47Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="6">
    <IRS990 documentId="RetDoc1038000001" referenceDocumentId="RetDoc1044400001">
      <PrincipalOfficerNm>ANDRE WILLIAMS</PrincipalOfficerNm>
      <USAddress>
        <AddressLine1Txt>330 N WABASH AVENUE 2000</AddressLine1Txt>
        <CityNm>CHICAGO</CityNm>
        <StateAbbreviationCd>IL</StateAbbreviationCd>
        <ZIPCd>60611</ZIPCd>
      </USAddress>
      <GrossReceiptsAmt>5796285</GrossReceiptsAmt>
      <GroupReturnForAffiliatesInd>0</GroupReturnForAffiliatesInd>
      <Organization501c3Ind>X</Organization501c3Ind>
      <WebsiteAddressTxt>WWW.ASTCT.ORG</WebsiteAddressTxt>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <FormationYr>1993</FormationYr>
      <LegalDomicileStateCd>IL</LegalDomicileStateCd>
      <ActivityOrMissionDesc>IMPROVE BLOOD AND MARROW TRANSPLANTATION AND RELATED CELLULAR THERAPIES</ActivityOrMissionDesc>
      <VotingMembersGoverningBodyCnt>15</VotingMembersGoverningBodyCnt>
      <VotingMembersIndependentCnt>15</VotingMembersIndependentCnt>
      <TotalEmployeeCnt>0</TotalEmployeeCnt>
      <TotalVolunteersCnt>20</TotalVolunteersCnt>
      <TotalGrossUBIAmt>0</TotalGrossUBIAmt>
      <NetUnrelatedBusTxblIncmAmt>0</NetUnrelatedBusTxblIncmAmt>
      <PYContributionsGrantsAmt>2527458</PYContributionsGrantsAmt>
      <CYContributionsGrantsAmt>1682978</CYContributionsGrantsAmt>
      <PYProgramServiceRevenueAmt>3009841</PYProgramServiceRevenueAmt>
      <CYProgramServiceRevenueAmt>3515119</CYProgramServiceRevenueAmt>
      <PYInvestmentIncomeAmt>232446</PYInvestmentIncomeAmt>
      <CYInvestmentIncomeAmt>330338</CYInvestmentIncomeAmt>
      <PYOtherRevenueAmt>0</PYOtherRevenueAmt>
      <CYOtherRevenueAmt>0</CYOtherRevenueAmt>
      <PYTotalRevenueAmt>5769745</PYTotalRevenueAmt>
      <CYTotalRevenueAmt>5528435</CYTotalRevenueAmt>
      <PYGrantsAndSimilarPaidAmt>319000</PYGrantsAndSimilarPaidAmt>
      <CYGrantsAndSimilarPaidAmt>733923</CYGrantsAndSimilarPaidAmt>
      <PYBenefitsPaidToMembersAmt>0</PYBenefitsPaidToMembersAmt>
      <CYBenefitsPaidToMembersAmt>0</CYBenefitsPaidToMembersAmt>
      <PYSalariesCompEmpBnftPaidAmt>0</PYSalariesCompEmpBnftPaidAmt>
      <CYSalariesCompEmpBnftPaidAmt>2500</CYSalariesCompEmpBnftPaidAmt>
      <PYTotalProfFndrsngExpnsAmt>0</PYTotalProfFndrsngExpnsAmt>
      <CYTotalProfFndrsngExpnsAmt>0</CYTotalProfFndrsngExpnsAmt>
      <CYTotalFundraisingExpenseAmt>0</CYTotalFundraisingExpenseAmt>
      <PYOtherExpensesAmt>4318330</PYOtherExpensesAmt>
      <CYOtherExpensesAmt>4060963</CYOtherExpensesAmt>
      <PYTotalExpensesAmt>4637330</PYTotalExpensesAmt>
      <CYTotalExpensesAmt>4797386</CYTotalExpensesAmt>
      <PYRevenuesLessExpensesAmt>1132415</PYRevenuesLessExpensesAmt>
      <CYRevenuesLessExpensesAmt>731049</CYRevenuesLessExpensesAmt>
      <TotalAssetsBOYAmt>9607006</TotalAssetsBOYAmt>
      <TotalAssetsEOYAmt>11425659</TotalAssetsEOYAmt>
      <TotalLiabilitiesBOYAmt>901629</TotalLiabilitiesBOYAmt>
      <TotalLiabilitiesEOYAmt>1721939</TotalLiabilitiesEOYAmt>
      <NetAssetsOrFundBalancesBOYAmt>8705377</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>9703720</NetAssetsOrFundBalancesEOYAmt>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <MissionDesc>ASTCT IS AN INTERNATIONAL PROFESSIONAL MEMBERSHIP ASSOCIATION OF MORE THAN 3,000 PHYSICIANS, INVESTIGATORS AND OTHER HEALTH CARE PROFESSIONALS FROM MORE THAN 45 COUNTRIES, WHO ARE DEDICATED TO IMPROVING THE APPLICATION AND SUCCESS OF BLOOD AND MARROW TRANSPLANTATION AND RELATED CELLULAR THERAPIES. ASTCT STRIVES TO BE THE LEADING ORGANIZATION PROMOTING RESEARCH, EDUCATION AND CLINICAL PRACTICE IN THE FIELD THROUGH PROMOTING:-COMPREHENSIVE DEVELOPMENT AND ADVANCEMENT OF THE FIELD OF BLOOD AND MARROW TRANSPLANTATION;-EXCELLENCE IN CLINICAL CARE AND TREATMENT OUTCOMES THROUGH STANDARDS FOR BLOOD AND MARROW TRANSPLANTATION;-INNOVATIVE RESEARCH TO ADVANCE THE SCIENCE AND CLINICAL APPLICATIONS OF OTHER CELLULAR THERAPIES; AND,-RAPID DISSEMINATION OF BASIC AND CLINICAL BMT RESEARCH FINDINGS WITHIN THE MEDICAL FIELD AND TO THE GENERAL PUBLIC</MissionDesc>
      <SignificantNewProgramSrvcInd>0</SignificantNewProgramSrvcInd>
      <SignificantChangeInd>0</SignificantChangeInd>
      <ExpenseAmt>839298</ExpenseAmt>
      <GrantAmt>46423</GrantAmt>
      <RevenueAmt>302015</RevenueAmt>
      <Desc>EDUCATION AND CONFERENCES - ASTCT PROVIDES FOCUSED EDUCATION TO IMPROVE RESEARCH, PATIENT OUTCOMES, AND FOSTER PROFESSIONAL DEVELOPMENT VIA DIVERSE OUTLETS AND OPPORTUNITIES.</Desc>
      <ProgSrvcAccomActy2Grp>
        <ExpenseAmt>765921</ExpenseAmt>
        <GrantAmt>530000</GrantAmt>
        <Desc>INDUSTRY RELATIONS - AS PART OF ITS INDUSTRY RELATIONS PROGRAM, ASTCT SPONSORS "NEW INVESTIGATOR AWARDS" DESIGNED TO ENCOURAGE CLINICAL AND/OR LABORATORY RESEARCH BY YOUNG INVESTIGATORS IN THE FIELD OF BLOOD AND MARROW TRANSPLANTATION AND/OR CELL THERAPY.</Desc>
      </ProgSrvcAccomActy2Grp>
      <ProgSrvcAccomActy3Grp>
        <ExpenseAmt>737617</ExpenseAmt>
        <Desc>ADVOCACY - ASTCT PROUDLY ADVOCATES ON BEHALF OF OUR MEMBERS AND PATIENTS FROM ENGAGING WITH GOVERNMENT LEADERS ON CAPITOL HILL TO SUBMITTING RESPONSES TO IMPORTANT LEGISLATIVE AND POLICY CHANGES. ASTCT BELIEVES THAT ADVOCACY IS A KEY COMPONENT IN SERVING PATIENTS BY HELPING THEM TO ACCESS SOME OF THE MOST INNOVATIVE LIFESAVING TREATMENTS.</Desc>
      </ProgSrvcAccomActy3Grp>
      <ProgSrvcAccomActyOtherGrp>
        <ExpenseAmt>594674</ExpenseAmt>
        <RevenueAmt>1063077</RevenueAmt>
        <Desc>ANNUAL MEETING - ASTCT HOLDS A JOINT ANNUAL MEETING WITH THE CENTER FOR INTERNATIONAL BLOOD &amp; MARROW TRANSPLANT RESEARCH (CIBMTR), WHERE ADMINISTRATORS, CLINICIANS, DATA MANAGER/CLINICAL RESEARCH PROFESSIONALS, FELLOWS-IN-TRAINING, INVESTIGATORS, LABORATORY TECHNICIANS, MD/PHD'S, NURSES, NURSE PRACTITIONERS, PHARMACISTS, PHYSICIAN ASSISTANTS, AND OTHER ALLIED HEALTH PROFESSIONALS BENEFIT FROM A FULL SCIENTIFIC PROGRAM ADDRESSING THE MOST TIMELY ISSUES IN HEMATOPOIETIC CELL TRANSPLANTATION AND CELLULAR THERAPY.</Desc>
      </ProgSrvcAccomActyOtherGrp>
      <ProgSrvcAccomActyOtherGrp>
        <ExpenseAmt>438945</ExpenseAmt>
        <GrantAmt>10000</GrantAmt>
        <RevenueAmt>474903</RevenueAmt>
        <Desc>JOURNAL AND PUBLICATIONS - AAST'S OFFICIAL JOURNAL "TRANSPLANTATION AND CELLULAR THERAPY" IS PUBLISHED MONTHLY AND FEATURES ORIGINAL RESEARCH REPORTS, PRACTICE GUIDELINES, REVIEWS, EDITORIALS, AND COMMENTARIES FOCUSING ON CURRENT TECHNOLOGY AND KNOWLEDGE IN THE INTERDISCIPLINARY FIELD OF HEMATOPOETIC STEM CELL TRANSPLANTATION AND THE GROWING FIELD OF TRANSPLANT AND NON-TRANSPLANT CELLULAR IMMUNOTHERAPIES. ASTCT ALSO PUBLISHES VARIOUS NEWSLETTERS AND MAINTAINS CONTENT HUBS TO PROVIDE CURRENT NEWS AND INFORMATION RELATING TO THE CELLULAR THERAPY COMMUNITY.</Desc>
      </ProgSrvcAccomActyOtherGrp>
      <ProgSrvcAccomActyOtherGrp>
        <ExpenseAmt>407944</ExpenseAmt>
        <GrantAmt>147500</GrantAmt>
        <RevenueAmt>1675124</RevenueAmt>
        <Desc>MEMBERSHIP DUES &amp; OTHER PROGRAMS - AS A PROFESSIONAL MEMBERSHIP SOCIETY OF HEALTHCARE PROVIDERS, ASTCT ASSESSES MEMBERSHIP DUES.</Desc>
      </ProgSrvcAccomActyOtherGrp>
      <TotalOtherProgSrvcExpenseAmt>1441563</TotalOtherProgSrvcExpenseAmt>
      <TotalOtherProgSrvcGrantAmt>157500</TotalOtherProgSrvcGrantAmt>
      <TotalOtherProgSrvcRevenueAmt>3213104</TotalOtherProgSrvcRevenueAmt>
      <TotalProgramServiceExpensesAmt>3784399</TotalProgramServiceExpensesAmt>
      <DescribedInSection501c3Ind referenceDocumentId="RetDoc1039100001">1</DescribedInSection501c3Ind>
      <ScheduleBRequiredInd referenceDocumentId="RetDoc1234500001">1</ScheduleBRequiredInd>
      <PoliticalCampaignActyInd referenceDocumentId="RetDoc1039600001">0</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd referenceDocumentId="RetDoc1039600001">1</LobbyingActivitiesInd>
      <SubjectToProxyTaxInd referenceDocumentId="RetDoc1039600001">0</SubjectToProxyTaxInd>
      <DonorAdvisedFundInd>0</DonorAdvisedFundInd>
      <ConservationEasementsInd>0</ConservationEasementsInd>
      <CollectionsOfArtInd>0</CollectionsOfArtInd>
      <CreditCounselingInd>0</CreditCounselingInd>
      <DonorRstrOrQuasiEndowmentsInd>0</DonorRstrOrQuasiEndowmentsInd>
      <ReportLandBuildingEquipmentInd>0</ReportLandBuildingEquipmentInd>
      <ReportInvestmentsOtherSecInd>0</ReportInvestmentsOtherSecInd>
      <ReportProgramRelatedInvstInd>0</ReportProgramRelatedInvstInd>
      <ReportOtherAssetsInd>0</ReportOtherAssetsInd>
      <ReportOtherLiabilitiesInd>0</ReportOtherLiabilitiesInd>
      <IncludeFIN48FootnoteInd>0</IncludeFIN48FootnoteInd>
      <IndependentAuditFinclStmtInd>0</IndependentAuditFinclStmtInd>
      <ConsolidatedAuditFinclStmtInd>0</ConsolidatedAuditFinclStmtInd>
      <SchoolOperatingInd>0</SchoolOperatingInd>
      <ForeignOfficeInd>0</ForeignOfficeInd>
      <ForeignActivitiesInd>0</ForeignActivitiesInd>
      <MoreThan5000KToOrgInd>0</MoreThan5000KToOrgInd>
      <MoreThan5000KToIndividualsInd>0</MoreThan5000KToIndividualsInd>
      <ProfessionalFundraisingInd>0</ProfessionalFundraisingInd>
      <FundraisingActivitiesInd>0</FundraisingActivitiesInd>
      <GamingActivitiesInd>0</GamingActivitiesInd>
      <OperateHospitalInd>0</OperateHospitalInd>
      <GrantsToOrganizationsInd referenceDocumentId="RetDoc1041900001">1</GrantsToOrganizationsInd>
      <GrantsToIndividualsInd referenceDocumentId="RetDoc1041900001">1</GrantsToIndividualsInd>
      <ScheduleJRequiredInd>0</ScheduleJRequiredInd>
      <TaxExemptBondsInd>0</TaxExemptBondsInd>
      <EngagedInExcessBenefitTransInd>0</EngagedInExcessBenefitTransInd>
      <PYExcessBenefitTransInd>0</PYExcessBenefitTransInd>
      <LoanOutstandingInd>0</LoanOutstandingInd>
      <GrantToRelatedPersonInd>0</GrantToRelatedPersonInd>
      <BusinessRlnWithOrgMemInd>0</BusinessRlnWithOrgMemInd>
      <BusinessRlnWithFamMemInd>0</BusinessRlnWithFamMemInd>
      <BusinessRlnWith35CtrlEntInd>0</BusinessRlnWith35CtrlEntInd>
      <DeductibleNonCashContriInd>0</DeductibleNonCashContriInd>
      <DeductibleArtContributionInd>0</DeductibleArtContributionInd>
      <TerminateOperationsInd>0</TerminateOperationsInd>
      <PartialLiquidationInd>0</PartialLiquidationInd>
      <DisregardedEntityInd>0</DisregardedEntityInd>
      <RelatedEntityInd>0</RelatedEntityInd>
      <RelatedOrganizationCtrlEntInd>0</RelatedOrganizationCtrlEntInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>0</TrnsfrExmptNonChrtblRltdOrgInd>
      <ActivitiesConductedPrtshpInd>0</ActivitiesConductedPrtshpInd>
      <ScheduleORequiredInd>1</ScheduleORequiredInd>
      <IRPDocumentCnt>57</IRPDocumentCnt>
      <IRPDocumentW2GCnt>0</IRPDocumentW2GCnt>
      <BackupWthldComplianceInd>1</BackupWthldComplianceInd>
      <EmployeeCnt>0</EmployeeCnt>
      <UnrelatedBusIncmOverLimitInd>0</UnrelatedBusIncmOverLimitInd>
      <ForeignFinancialAccountInd>0</ForeignFinancialAccountInd>
      <ProhibitedTaxShelterTransInd>0</ProhibitedTaxShelterTransInd>
      <TaxablePartyNotificationInd>0</TaxablePartyNotificationInd>
      <NondeductibleContributionsInd>0</NondeductibleContributionsInd>
      <QuidProQuoContributionsInd>0</QuidProQuoContributionsInd>
      <Form8282PropertyDisposedOfInd>0</Form8282PropertyDisposedOfInd>
      <IndoorTanningServicesInd>0</IndoorTanningServicesInd>
      <SubjToTaxRmnrtnExPrchtPymtInd>0</SubjToTaxRmnrtnExPrchtPymtInd>
      <SubjectToExcsTaxNetInvstIncInd>0</SubjectToExcsTaxNetInvstIncInd>
      <InfoInScheduleOPartVIInd>X</InfoInScheduleOPartVIInd>
      <GoverningBodyVotingMembersCnt>15</GoverningBodyVotingMembersCnt>
      <IndependentVotingMemberCnt>15</IndependentVotingMemberCnt>
      <FamilyOrBusinessRlnInd>0</FamilyOrBusinessRlnInd>
      <DelegationOfMgmtDutiesInd>1</DelegationOfMgmtDutiesInd>
      <ChangeToOrgDocumentsInd>0</ChangeToOrgDocumentsInd>
      <MaterialDiversionOrMisuseInd>0</MaterialDiversionOrMisuseInd>
      <MembersOrStockholdersInd>1</MembersOrStockholdersInd>
      <ElectionOfBoardMembersInd>0</ElectionOfBoardMembersInd>
      <DecisionsSubjectToApprovaInd>0</DecisionsSubjectToApprovaInd>
      <MinutesOfGoverningBodyInd>1</MinutesOfGoverningBodyInd>
      <MinutesOfCommitteesInd>1</MinutesOfCommitteesInd>
      <OfficerMailingAddressInd>0</OfficerMailingAddressInd>
      <LocalChaptersInd>0</LocalChaptersInd>
      <Form990ProvidedToGvrnBodyInd>0</Form990ProvidedToGvrnBodyInd>
      <ConflictOfInterestPolicyInd>1</ConflictOfInterestPolicyInd>
      <AnnualDisclosureCoveredPrsnInd>1</AnnualDisclosureCoveredPrsnInd>
      <RegularMonitoringEnfrcInd>1</RegularMonitoringEnfrcInd>
      <WhistleblowerPolicyInd>0</WhistleblowerPolicyInd>
      <DocumentRetentionPolicyInd>1</DocumentRetentionPolicyInd>
      <CompensationProcessCEOInd>0</CompensationProcessCEOInd>
      <CompensationProcessOtherInd>0</CompensationProcessOtherInd>
      <InvestmentInJointVentureInd>0</InvestmentInJointVentureInd>
      <OtherWebsiteInd>X</OtherWebsiteInd>
      <UponRequestInd>X</UponRequestInd>
      <BooksInCareOfDetail>
        <BusinessName>
          <BusinessNameLine1Txt>SMITHBUCKLIN CORPORATION</BusinessNameLine1Txt>
        </BusinessName>
        <PhoneNum>3123216820</PhoneNum>
        <USAddress>
          <AddressLine1Txt>330 N WABASH AVENUE SUITE 2000</AddressLine1Txt>
          <CityNm>CHICAGO</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60611</ZIPCd>
        </USAddress>
      </BooksInCareOfDetail>
      <Form990PartVIISectionAGrp>
        <PersonNm>STELLA DAVIES</PersonNm>
        <TitleTxt>PRESIDENT</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>PAVAN REDDY</PersonNm>
        <TitleTxt>IMMEDIATE PAST-PRESIDENT</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>BRENDA SANDMAIER</PersonNm>
        <TitleTxt>PRESIDENT ELECT</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>MIGUEL-ANGEL PERALES</PersonNm>
        <TitleTxt>VICE PRESIDENT</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>PARAMESWARAN HARI</PersonNm>
        <TitleTxt>SECRETARY</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>1000</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>UDAY POPAT</PersonNm>
        <TitleTxt>TREASURER</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>BRIAN BETTS</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DANIEL COURIEL</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>1500</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>BETTY KY HAMILTON</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>JENNIFER HOLTER</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>KATHERINE HSU</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>LESLIE KEAN</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ENEIDA NEMECEK</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>SHALINI SHENOY</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>KIRSTEN WILLIAMS</PersonNm>
        <TitleTxt>DIRECTOR</TitleTxt>
        <AverageHoursPerWeekRt>3.00</AverageHoursPerWeekRt>
        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>ANDRE WILLIAMS</PersonNm>
        <TitleTxt>EXECUTIVE DIRECTOR-SMITHBUCKLIN</TitleTxt>
        <AverageHoursPerWeekRt>40.00</AverageHoursPerWeekRt>
        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>0</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
      </Form990PartVIISectionAGrp>
      <TotalReportableCompFromOrgAmt>2500</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
      <TotalOtherCompensationAmt>0</TotalOtherCompensationAmt>
      <IndivRcvdGreaterThan100KCnt>0</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
      <TotalCompGreaterThan150KInd>0</TotalCompGreaterThan150KInd>
      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>SMITHBUCKLIN CORPORATION</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>330 N WABASH AVENUE SUITE 2000</AddressLine1Txt>
            <CityNm>CHICAGO</CityNm>
            <StateAbbreviationCd>IL</StateAbbreviationCd>
            <ZIPCd>60611</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>ASSOCIATION MANAGEMENT</ServicesDesc>
        <CompensationAmt>2414029</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>NIMITT CONSULTING INC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>2038 18TH ST NW 403</AddressLine1Txt>
            <CityNm>WASHINGTON</CityNm>
            <StateAbbreviationCd>DC</StateAbbreviationCd>
            <ZIPCd>20009</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>CONSULTING</ServicesDesc>
        <CompensationAmt>243000</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>ELSEVIER INC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>230 PARK AVENUE STE 800</AddressLine1Txt>
            <CityNm>NEW YORK</CityNm>
            <StateAbbreviationCd>NY</StateAbbreviationCd>
            <ZIPCd>10169</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>PUBLISHING</ServicesDesc>
        <CompensationAmt>236125</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>MEETING PLAY</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>5303 SPECTRUM DR SUITE D</AddressLine1Txt>
            <CityNm>FREDERICK</CityNm>
            <StateAbbreviationCd>MD</StateAbbreviationCd>
            <ZIPCd>21703</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>CONFERENCE AV SOLUTIONS</ServicesDesc>
        <CompensationAmt>156205</CompensationAmt>
      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>CAPITOL COUNSEL LLC</BusinessNameLine1Txt>
          </BusinessName>
        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>700 13TH STREET NW</AddressLine1Txt>
            <CityNm>WASHINGTON</CityNm>
            <StateAbbreviationCd>DC</StateAbbreviationCd>
            <ZIPCd>20005</ZIPCd>
          </USAddress>
        </ContractorAddress>
        <ServicesDesc>ADVOCACY</ServicesDesc>
        <CompensationAmt>120000</CompensationAmt>
      </ContractorCompensationGrp>
      <CntrctRcvdGreaterThan100KCnt>5</CntrctRcvdGreaterThan100KCnt>
      <AllOtherContributionsAmt>1682978</AllOtherContributionsAmt>
      <TotalContributionsAmt>1682978</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>MEMBERSHIP DUES</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>1627827</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>1627827</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>ANNUAL CONFERENCE</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>1063077</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>1063077</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>PUBLICATION</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>474903</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>474903</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
        <Desc>EDUCATION/CONFERENCES</Desc>
        <BusinessCd>900099</BusinessCd>
        <TotalRevenueColumnAmt>302015</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>302015</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <TotalOthProgramServiceRevGrp>
        <TotalRevenueColumnAmt>47297</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>47297</RelatedOrExemptFuncIncomeAmt>
      </TotalOthProgramServiceRevGrp>
      <TotalProgramServiceRevenueAmt>3515119</TotalProgramServiceRevenueAmt>
      <InvestmentIncomeGrp>
        <TotalRevenueColumnAmt>186294</TotalRevenueColumnAmt>
        <ExclusionAmt>186294</ExclusionAmt>
      </InvestmentIncomeGrp>
      <GrossAmountSalesAssetsGrp>
        <SecuritiesAmt>411894</SecuritiesAmt>
      </GrossAmountSalesAssetsGrp>
      <LessCostOthBasisSalesExpnssGrp>
        <SecuritiesAmt>267850</SecuritiesAmt>
      </LessCostOthBasisSalesExpnssGrp>
      <GainOrLossGrp>
        <SecuritiesAmt>144044</SecuritiesAmt>
      </GainOrLossGrp>
      <NetGainOrLossInvestmentsGrp>
        <TotalRevenueColumnAmt>144044</TotalRevenueColumnAmt>
        <ExclusionAmt>144044</ExclusionAmt>
      </NetGainOrLossInvestmentsGrp>
      <TotalRevenueGrp>
        <TotalRevenueColumnAmt>5528435</TotalRevenueColumnAmt>
        <RelatedOrExemptFuncIncomeAmt>3515119</RelatedOrExemptFuncIncomeAmt>
        <UnrelatedBusinessRevenueAmt>0</UnrelatedBusinessRevenueAmt>
        <ExclusionAmt>330338</ExclusionAmt>
      </TotalRevenueGrp>
      <InfoInScheduleOPartIXInd>X</InfoInScheduleOPartIXInd>
      <GrantsToDomesticOrgsGrp>
        <TotalAmt>193923</TotalAmt>
        <ProgramServicesAmt>193923</ProgramServicesAmt>
      </GrantsToDomesticOrgsGrp>
      <GrantsToDomesticIndividualsGrp>
        <TotalAmt>540000</TotalAmt>
        <ProgramServicesAmt>540000</ProgramServicesAmt>
      </GrantsToDomesticIndividualsGrp>
      <CompCurrentOfcrDirectorsGrp>
        <TotalAmt>2500</TotalAmt>
        <ProgramServicesAmt>2500</ProgramServicesAmt>
      </CompCurrentOfcrDirectorsGrp>
      <FeesForServicesManagementGrp>
        <TotalAmt>2414029</TotalAmt>
        <ProgramServicesAmt>1646821</ProgramServicesAmt>
        <ManagementAndGeneralAmt>767208</ManagementAndGeneralAmt>
      </FeesForServicesManagementGrp>
      <FeesForServicesLegalGrp>
        <TotalAmt>97981</TotalAmt>
        <ManagementAndGeneralAmt>97981</ManagementAndGeneralAmt>
      </FeesForServicesLegalGrp>
      <FeesForServicesAccountingGrp>
        <TotalAmt>11000</TotalAmt>
        <ManagementAndGeneralAmt>11000</ManagementAndGeneralAmt>
      </FeesForServicesAccountingGrp>
      <FeesForSrvcInvstMgmntFeesGrp>
        <TotalAmt>22367</TotalAmt>
        <ManagementAndGeneralAmt>22367</ManagementAndGeneralAmt>
      </FeesForSrvcInvstMgmntFeesGrp>
      <FeesForServicesOtherGrp>
        <TotalAmt>628618</TotalAmt>
        <ProgramServicesAmt>623850</ProgramServicesAmt>
        <ManagementAndGeneralAmt>4768</ManagementAndGeneralAmt>
      </FeesForServicesOtherGrp>
      <OfficeExpensesGrp>
        <TotalAmt>13853</TotalAmt>
        <ProgramServicesAmt>7635</ProgramServicesAmt>
        <ManagementAndGeneralAmt>6218</ManagementAndGeneralAmt>
      </OfficeExpensesGrp>
      <InformationTechnologyGrp>
        <TotalAmt>169458</TotalAmt>
        <ProgramServicesAmt>152966</ProgramServicesAmt>
        <ManagementAndGeneralAmt>16492</ManagementAndGeneralAmt>
      </InformationTechnologyGrp>
      <TravelGrp>
        <TotalAmt>22101</TotalAmt>
        <ProgramServicesAmt>20244</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1857</ManagementAndGeneralAmt>
      </TravelGrp>
      <ConferencesMeetingsGrp>
        <TotalAmt>263657</TotalAmt>
        <ProgramServicesAmt>258657</ProgramServicesAmt>
        <ManagementAndGeneralAmt>5000</ManagementAndGeneralAmt>
      </ConferencesMeetingsGrp>
      <DepreciationDepletionGrp>
        <TotalAmt>32136</TotalAmt>
        <ManagementAndGeneralAmt>32136</ManagementAndGeneralAmt>
      </DepreciationDepletionGrp>
      <InsuranceGrp>
        <TotalAmt>16322</TotalAmt>
        <ProgramServicesAmt>10946</ProgramServicesAmt>
        <ManagementAndGeneralAmt>5376</ManagementAndGeneralAmt>
      </InsuranceGrp>
      <OtherExpensesGrp>
        <Desc>MEMBER SUBSCRIPTIONS</Desc>
        <TotalAmt>221525</TotalAmt>
        <ProgramServicesAmt>221525</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>FULFILLMENT</Desc>
        <TotalAmt>47959</TotalAmt>
        <ProgramServicesAmt>47959</ProgramServicesAmt>
      </OtherExpensesGrp>
      <OtherExpensesGrp>
        <Desc>BANK &amp; CREDIT CARD FEES</Desc>
        <TotalAmt>29890</TotalAmt>
        <ManagementAndGeneralAmt>29890</ManagementAndGeneralAmt>
      </OtherExpensesGrp>
      <AllOtherExpensesGrp>
        <TotalAmt>70067</TotalAmt>
        <ProgramServicesAmt>57373</ProgramServicesAmt>
        <ManagementAndGeneralAmt>12694</ManagementAndGeneralAmt>
      </AllOtherExpensesGrp>
      <TotalFunctionalExpensesGrp>
        <TotalAmt>4797386</TotalAmt>
        <ProgramServicesAmt>3784399</ProgramServicesAmt>
        <ManagementAndGeneralAmt>1012987</ManagementAndGeneralAmt>
        <FundraisingAmt>0</FundraisingAmt>
      </TotalFunctionalExpensesGrp>
      <CashNonInterestBearingGrp>
        <BOYAmt>1426315</BOYAmt>
        <EOYAmt>1219137</EOYAmt>
      </CashNonInterestBearingGrp>
      <AccountsReceivableGrp>
        <BOYAmt>354360</BOYAmt>
        <EOYAmt>263717</EOYAmt>
      </AccountsReceivableGrp>
      <PrepaidExpensesDefrdChargesGrp>
        <BOYAmt>377817</BOYAmt>
        <EOYAmt>275273</EOYAmt>
      </PrepaidExpensesDefrdChargesGrp>
      <InvestmentsPubTradedSecGrp>
        <BOYAmt>7416378</BOYAmt>
        <EOYAmt>9667532</EOYAmt>
      </InvestmentsPubTradedSecGrp>
      <OtherAssetsTotalGrp>
        <BOYAmt>32136</BOYAmt>
        <EOYAmt>0</EOYAmt>
      </OtherAssetsTotalGrp>
      <TotalAssetsGrp>
        <BOYAmt>9607006</BOYAmt>
        <EOYAmt>11425659</EOYAmt>
      </TotalAssetsGrp>
      <AccountsPayableAccrExpnssGrp>
        <BOYAmt>80176</BOYAmt>
        <EOYAmt>469178</EOYAmt>
      </AccountsPayableAccrExpnssGrp>
      <DeferredRevenueGrp>
        <BOYAmt>821453</BOYAmt>
        <EOYAmt>1252761</EOYAmt>
      </DeferredRevenueGrp>
      <TotalLiabilitiesGrp>
        <BOYAmt>901629</BOYAmt>
        <EOYAmt>1721939</EOYAmt>
      </TotalLiabilitiesGrp>
      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
      <NoDonorRestrictionNetAssetsGrp>
        <BOYAmt>8343282</BOYAmt>
        <EOYAmt>9206625</EOYAmt>
      </NoDonorRestrictionNetAssetsGrp>
      <DonorRestrictionNetAssetsGrp>
        <BOYAmt>362095</BOYAmt>
        <EOYAmt>497095</EOYAmt>
      </DonorRestrictionNetAssetsGrp>
      <TotalNetAssetsFundBalanceGrp>
        <BOYAmt>8705377</BOYAmt>
        <EOYAmt>9703720</EOYAmt>
      </TotalNetAssetsFundBalanceGrp>
      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>9607006</BOYAmt>
        <EOYAmt>11425659</EOYAmt>
      </TotLiabNetAssetsFundBalanceGrp>
      <ReconcilationRevenueExpnssAmt>731049</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>643183</NetUnrlzdGainsLossesInvstAmt>
      <PriorPeriodAdjustmentsAmt>-375889</PriorPeriodAdjustmentsAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>0</FSAuditedInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
    </IRS990>
    <IRS990ScheduleA documentId="RetDoc1039100001">
      <PubliclySupportedOrg509a2Ind>X</PubliclySupportedOrg509a2Ind>
      <GiftsGrantsContrisRcvd509Grp>
        <CurrentTaxYearMinus4YearsAmt>1581036</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>956675</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>1608544</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>2527458</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>1682978</CurrentTaxYearAmt>
        <TotalAmt>8356691</TotalAmt>
      </GiftsGrantsContrisRcvd509Grp>
      <GrossReceiptsAdmissionsGrp>
        <CurrentTaxYearMinus4YearsAmt>2376201</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>3315322</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>3695770</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>3009841</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>3515119</CurrentTaxYearAmt>
        <TotalAmt>15912253</TotalAmt>
      </GrossReceiptsAdmissionsGrp>
      <Total509Grp>
        <CurrentTaxYearMinus4YearsAmt>3957237</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>4271997</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>5304314</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>5537299</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>5198097</CurrentTaxYearAmt>
        <TotalAmt>24268944</TotalAmt>
      </Total509Grp>
      <AmountsRcvdDsqlfyPersonGrp>
        <CurrentTaxYearMinus4YearsAmt>195925</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>156000</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>242500</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>445000</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>332383</CurrentTaxYearAmt>
        <TotalAmt>1371808</TotalAmt>
      </AmountsRcvdDsqlfyPersonGrp>
      <SubstantialContributorsAmtGrp>
        <CurrentTaxYearMinus4YearsAmt>104536</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>105790</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>56699</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>58608</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>103109</CurrentTaxYearAmt>
        <TotalAmt>428742</TotalAmt>
      </SubstantialContributorsAmtGrp>
      <SubstAndDsqlfyPrsnsTotGrp>
        <CurrentTaxYearMinus4YearsAmt>300461</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>261790</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>299199</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>503608</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>435492</CurrentTaxYearAmt>
        <TotalAmt>1800550</TotalAmt>
      </SubstAndDsqlfyPrsnsTotGrp>
      <PublicSupportTotal509Amt>22468394</PublicSupportTotal509Amt>
      <GrossInvestmentIncome509Grp>
        <CurrentTaxYearMinus4YearsAmt>89147</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>99035</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>128669</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>142532</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>186294</CurrentTaxYearAmt>
        <TotalAmt>645677</TotalAmt>
      </GrossInvestmentIncome509Grp>
      <InvestmentIncomeAndUBTIGrp>
        <CurrentTaxYearMinus4YearsAmt>89147</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>99035</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>128669</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>142532</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>186294</CurrentTaxYearAmt>
        <TotalAmt>645677</TotalAmt>
      </InvestmentIncomeAndUBTIGrp>
      <TotalSupportCalendarYearGrp>
        <CurrentTaxYearMinus4YearsAmt>4046384</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>4371032</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>5432983</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>5679831</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>5384391</CurrentTaxYearAmt>
        <TotalAmt>24914621</TotalAmt>
      </TotalSupportCalendarYearGrp>
      <PublicSupportCY509Pct>0.90180</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>0.90630</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.02590</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.02370</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="RetDoc1234500001">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleC documentId="RetDoc1039600001">
      <TotalGrassrootsLobbyingGrp>
        <FilingOrganizationsTotalAmt>0</FilingOrganizationsTotalAmt>
      </TotalGrassrootsLobbyingGrp>
      <TotalDirectLobbyingGrp>
        <FilingOrganizationsTotalAmt>60000</FilingOrganizationsTotalAmt>
      </TotalDirectLobbyingGrp>
      <TotalLobbyingExpendGrp>
        <FilingOrganizationsTotalAmt>60000</FilingOrganizationsTotalAmt>
      </TotalLobbyingExpendGrp>
      <OtherExemptPurposeExpendGrp>
        <FilingOrganizationsTotalAmt>4737386</FilingOrganizationsTotalAmt>
      </OtherExemptPurposeExpendGrp>
      <TotalExemptPurposeExpendGrp>
        <FilingOrganizationsTotalAmt>4797386</FilingOrganizationsTotalAmt>
      </TotalExemptPurposeExpendGrp>
      <LobbyingNontaxableAmountGrp>
        <FilingOrganizationsTotalAmt>389869</FilingOrganizationsTotalAmt>
      </LobbyingNontaxableAmountGrp>
      <GrassrootsNontaxableGrp>
        <FilingOrganizationsTotalAmt>97467</FilingOrganizationsTotalAmt>
      </GrassrootsNontaxableGrp>
      <TotLbbyngGrassrootMnsNonTxGrp>
        <FilingOrganizationsTotalAmt>0</FilingOrganizationsTotalAmt>
      </TotLbbyngGrassrootMnsNonTxGrp>
      <TotLbbyExpendMnsLbbyngNonTxGrp>
        <FilingOrganizationsTotalAmt>0</FilingOrganizationsTotalAmt>
      </TotLbbyExpendMnsLbbyngNonTxGrp>
      <AvgLobbyingNontaxableAmountGrp>
        <CurrentYearMinus3Amt>275364</CurrentYearMinus3Amt>
        <CurrentYearMinus2Amt>306732</CurrentYearMinus2Amt>
        <CurrentYearMinus1Amt>381867</CurrentYearMinus1Amt>
        <CurrentYearAmt>389869</CurrentYearAmt>
        <TotalAmt>1353832</TotalAmt>
      </AvgLobbyingNontaxableAmountGrp>
      <LobbyingCeilingAmt>2030748</LobbyingCeilingAmt>
      <AvgTotalLobbyingExpendGrp>
        <CurrentYearMinus3Amt>50000</CurrentYearMinus3Amt>
        <CurrentYearMinus2Amt>50000</CurrentYearMinus2Amt>
        <CurrentYearMinus1Amt>60000</CurrentYearMinus1Amt>
        <CurrentYearAmt>60000</CurrentYearAmt>
        <TotalAmt>220000</TotalAmt>
      </AvgTotalLobbyingExpendGrp>
      <AvgGrassrootsNontaxableGrp>
        <CurrentYearMinus3Amt>68841</CurrentYearMinus3Amt>
        <CurrentYearMinus2Amt>76683</CurrentYearMinus2Amt>
        <CurrentYearMinus1Amt>95467</CurrentYearMinus1Amt>
        <CurrentYearAmt>97467</CurrentYearAmt>
        <TotalAmt>338458</TotalAmt>
      </AvgGrassrootsNontaxableGrp>
      <GrassrootsCeilingAmt>507687</GrassrootsCeilingAmt>
    </IRS990ScheduleC>
    <IRS990ScheduleI documentId="RetDoc1041900001">
      <GrantRecordsMaintainedInd>0</GrantRecordsMaintainedInd>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>THE FRANCE FOUNDATION</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>10 VISTA DR SUITE 100</AddressLine1Txt>
          <CityNm>OLD LYME</CityNm>
          <StateAbbreviationCd>CT</StateAbbreviationCd>
          <ZIPCd>06371</ZIPCd>
        </USAddress>
        <RecipientEIN>061545717</RecipientEIN>
        <CashGrantAmt>46423</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>CONTRIBUTION</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>AMERICAN SOCIETY OF HEMATOLOGY</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>PO BOX 37579</AddressLine1Txt>
          <CityNm>BALTIMORE</CityNm>
          <StateAbbreviationCd>MD</StateAbbreviationCd>
          <ZIPCd>21297</ZIPCd>
        </USAddress>
        <RecipientEIN>237080568</RecipientEIN>
        <CashGrantAmt>37500</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>CONTRIBUTION</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>BE THE MATCH FOUNDATION</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>500 N 5TH ST</AddressLine1Txt>
          <CityNm>MINNEAPOLIS</CityNm>
          <StateAbbreviationCd>MN</StateAbbreviationCd>
          <ZIPCd>55401</ZIPCd>
        </USAddress>
        <RecipientEIN>411704734</RecipientEIN>
        <CashGrantAmt>100000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>CONTRIBUTION</PurposeOfGrantTxt>
      </RecipientTable>
      <Total501c3OrgCnt>3</Total501c3OrgCnt>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>NEW INVESTIGATOR AWARD</GrantTypeTxt>
        <RecipientCnt>6</RecipientCnt>
        <CashGrantAmt>530000</CashGrantAmt>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>EDITORIAL AWARD</GrantTypeTxt>
        <RecipientCnt>2</RecipientCnt>
        <CashGrantAmt>10000</CashGrantAmt>
      </GrantsOtherAsstToIndivInUSGrp>
    </IRS990ScheduleI>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>ASTCT DELEGATED THE MANAGEMENT OF ITS DAILY OPERATIONS TO SMITHBUCKLIN CORPORATION IN CHICAGO. SMITHBUCKLIN CORPORATION IS A MANAGEMENT COMPANY WHICH MANAGES ALL ASPECTS OF THE ASSOCIATION IN ACCORDANCE WITH ASTCT'S BYLAWS AND POLICIES. OPERATIONS MAY INCLUDE, BUT ARE NOT LIMITED TO, ADMINISTRATION, MEMBERSHIP, FINANCE AND ACCOUNTING, EVENT PLANNING, EDUCATION, MARKETING, INFORMATION TECHNOLOGY, AND GOVERNANCE RELATIONS. SMITHBUCKLIN CORPORATION EMPLOYEES PROVIDE THESE SERVICES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>ASTCT HAS THE FOLLOWING CLASSES OF MEMBERSHIP: MEMBER, ASSOCIATE MEMBER, IN-TRAINING MEMBER, AFFILIATE MEMBER, AFFILIATE INSTITUTIONAL MEMBER, INTERNATIONAL MEMBER, EMERITUS MEMBER, AND HONORARY MEMBER. ONLY MEMBERS (AND HONORARY MEMBERS IF OTHERWISE QUALIFIED TO BE MEMBERS) ARE ENTITLED TO VOTE OF MATTERS SUBMITTED TO A VOTE OF THE MEMBERS. TO QUALIFY AS A MEMBER, AN APPLICANT SHALL HOLD AN MD OF PHD DEGREE, OR EQUIVALENT WITH DEMONSTRATED EXPERTISE IN MARROW TRANSPLANTATION AS EVIDENCED BY EITHER THE PUBLICATION OF TWO PAPERS ON MARROW TRANSPLANTATION-RELATED RESEARCH AS RECORDED BY CURRICULUM VITAE OR DOCUMENTATION OF TWO YEARS OF EXPERIENCE IN CLINICAL TRANSPLANTATION AS RECORDED BY CURRICULUM VITAE AND LETTER FROM THE DIRECTOR OF A TRANSPLANT CENTER ATTESTING TO THE EXPERIENCE OF THE CANDIDATE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>ASTCT'S FORM 990 IS PREPARED BY INDEPENDENT PUBLIC ACCOUNTANTS AND SUBMITTED TO ITS MANAGEMENT COMPANY FOR INITIAL REVIEW. THE FORM IS THEN SUBMITTED TO ASTCT'S TREASURER AND EXECUTIVE COMMITTEE FOR REVIEW AND DISCUSSION PRIOR TO FILING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>DIRECTORS AFFIRM THEIR ENDORSEMENT OF ASTCT'S CODE OF ETHICS AND CONFLICT OF INTEREST POLICY UPON ACCEPTING AND RETAINING OFFICE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIATION MAKES ITS GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY AVAILABLE TO THE PUBLIC UPON WRITTEN REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>GOVERNMENT RELATIONS: PROGRAM SERVICE EXPENSES 308,250. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 308,250. EDITORIAL SERVICES: PROGRAM SERVICE EXPENSES 80,000. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 80,000. OTHER: PROGRAM SERVICE EXPENSES 235,600. MANAGEMENT AND GENERAL EXPENSES 4,768. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 240,368.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>
