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        <PersonNm>DONG-CHURL SUH PHD</PersonNm>
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        <PersonNm>JAN ELIAS HANSEN PHD</PersonNm>
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        <PersonNm>SUSAN CAPON</PersonNm>
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        <PersonNm>ELIZABETH LANE</PersonNm>
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        <PersonNm>LAURA PIZZI</PersonNm>
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        <PersonNm>CHANTAL ALMONORD</PersonNm>
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        <PersonNm>SEAN GORMLEY</PersonNm>
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        <PersonNm>PAUL WONG</PersonNm>
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            <BusinessNameLine1Txt>LEVY PREMIUM FOOD SERVICE</BusinessNameLine1Txt>
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      <ContractorCompensationGrp>
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          <USAddress>
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      <ContractorCompensationGrp>
        <ContractorName>
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      <ContractorCompensationGrp>
        <ContractorName>
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            <AddressLine1Txt>SUNDHOLMSGATAN 9</AddressLine1Txt>
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      <ContractorCompensationGrp>
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        <CurrentTaxYearMinus3YearsAmt>1500</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>602</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>11437</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>2500</CurrentTaxYearAmt>
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        <CurrentTaxYearMinus3YearsAmt>19494</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>127527</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>4320</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>6877</CurrentTaxYearAmt>
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        <CurrentTaxYearMinus4YearsAmt>14351076</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>6289038</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>14861162</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>19528644</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>19367483</CurrentTaxYearAmt>
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      <PublicSupportPY509Pct>0.83410</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.03860</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.03430</InvestmentIncomePYPct>
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        <FormAndLineReferenceDesc>SCHEDULE A, PART III, LINE 12, EXPLANATION OF OTHER INCOME:</FormAndLineReferenceDesc>
        <ExplanationTxt>INSURANCE PROCEEDS - 2020 AMOUNT: $ 9,243,204. BAD DEBT RECOVERY - 2021 AMOUNT: $ 19,494. STRATEGIC SPONSORSHIP - 2022 AMOUNT: $ 15,000. WIRE TRANSFER FEE - 2022 AMOUNT: $ 18,773. 2023 AMOUNT: $ 4,320. 2024 AMOUNT: $ 6,877. REBATES AND COMMISSIONS - 2022 AMOUNT: $ 93,754.</ExplanationTxt>
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    <IRS990ScheduleD documentId="RetDoc1040000001">
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        <OtherCostOrOtherBasisAmt>400000</OtherCostOrOtherBasisAmt>
        <BookValueAmt>400000</BookValueAmt>
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      <BuildingsGrp>
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        <DepreciationAmt>856876</DepreciationAmt>
        <BookValueAmt>1722416</BookValueAmt>
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        <BookValueAmt>486091</BookValueAmt>
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        <Desc>SECURITY DEPOSIT</Desc>
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      <TotalLiabilityAmt>7391</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>20532935</TotalRevEtcAuditedFinclStmtAmt>
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      <OtherRevenueAmt>-93794</OtherRevenueAmt>
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      <RevenueSubtotalAmt>19723828</RevenueSubtotalAmt>
      <RevenueNotReportedFinclStmtAmt>0</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>19723828</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>19269366</TotExpnsEtcAuditedFinclStmtAmt>
      <ExpensesNotReportedAmt>0</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>19269366</ExpensesSubtotalAmt>
      <OtherExpensesNotIncludedAmt>93794</OtherExpensesNotIncludedAmt>
      <ExpensesNotRptFinclStmtAmt>93794</ExpensesNotRptFinclStmtAmt>
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        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>ISPOR IS EXEMPT FROM FEDERAL INCOME TAX UNDER SECTION 501(C)(3) OF THE INTERNAL REVENUE CODE (IRC). HOWEVER, INCOME FROM CERTAIN ACTIVITIES NOT DIRECTLY RELATED TO ISPOR'S TAX-EXEMPT PURPOSE IS SUBJECT TO TAXATION AS UNRELATED BUSINESS INCOME. ISPOR FOLLOWS THE INCOME TAX STANDARD FOR UNCERTAIN TAX POSITIONS. ISPOR BELIEVES THERE ARE NO UNCERTAIN TAX POSITIONS THAT ARE REQUIRED TO BE DISCLOSED IN THE CONSOLIDATED FINANCIAL STATEMENTS.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XI, LINE 2D - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>INVESTMENT MANAGEMENT FEES -93,794.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 4B - OTHER ADJUSTMENTS:</FormAndLineReferenceDesc>
        <ExplanationTxt>INVESTMENT MANAGEMENT FEES 93,794.</ExplanationTxt>
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        <EmployeeCnt>0</EmployeeCnt>
        <TypeOfActivitiesConductedTxt>PROGRAM SERVICES</TypeOfActivitiesConductedTxt>
        <SpecificServicesProvidedTxt>ANNUAL EUROPEAN MEETING</SpecificServicesProvidedTxt>
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      </AccountActivitiesOutsideUSGrp>
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      <SubtotalEmployeesCnt>0</SubtotalEmployeesCnt>
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      <TotalOfficeCnt>0</TotalOfficeCnt>
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      <ContinuationSpentAmt>0</ContinuationSpentAmt>
      <TotalSpentAmt>2411838</TotalSpentAmt>
      <TransferToForeignCorpInd>0</TransferToForeignCorpInd>
      <InterestInForeignTrustInd>0</InterestInForeignTrustInd>
      <ForeignCorpOwnershipInd>0</ForeignCorpOwnershipInd>
      <PassiveForeignInvestmestCoInd>0</PassiveForeignInvestmestCoInd>
      <ForeignPartnershipInd>0</ForeignPartnershipInd>
      <BoycottCountriesInd>0</BoycottCountriesInd>
    </IRS990ScheduleF>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <IndependentConsultantInd>X</IndependentConsultantInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>0</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>0</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>0</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>0</CompBsdNetEarnsRltdOrgsInd>
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      <InitialContractExceptionInd>0</InitialContractExceptionInd>
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        <PersonNm>SUSAN CAPON</PersonNm>
        <TitleTxt>CHIEF OPERATING OFFICER</TitleTxt>
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        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
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        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>19115</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
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        <TotalCompensationFilingOrgAmt>346150</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>LAURA PIZZI</PersonNm>
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        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>ELIZABETH LANE</PersonNm>
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        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>10400</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>21459</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>265493</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>SEAN GORMLEY</PersonNm>
        <TitleTxt>DIRECTOR, BUSINESS DEVELOPMENT</TitleTxt>
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        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>12164</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
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        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>259503</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>CHANTAL ALMONORD</PersonNm>
        <TitleTxt>CHIEF INFO &amp; ENGAGEMENT OFFICER</TitleTxt>
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        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
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        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
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        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
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        <TotalCompensationFilingOrgAmt>235934</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>PAUL WONG</PersonNm>
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        <DeferredCompensationFlngOrgAmt>13374</DeferredCompensationFlngOrgAmt>
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        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>226463</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 7</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BONUSES WERE PART OF THE ANNUAL BUDGET WHICH WAS APPROVED BY THE BOARD. THESE AMOUNTS REPORTED ON SCHEDULE J, PART II, COLUMN B(II) WERE BASED UPON SEVERAL CRITERIA, SOME WHICH WERE PERFORMANCE-BASED AND SOME WHICH WERE CALCULATED BASED UPON PRE-SET FORMULAS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 1A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE EXECUTIVE COMMITTEE HAS THE DUTIES AND AUTHORITY BETWEEN MEETINGS OF THE BOARD, IN PLACE OF THE BOARD, TO TAKE ACTION ON MATTERS CONSISTENT WITH THE GOALS OF THE SOCIETY. THE EXECUTIVE COMMITTEE IS COMPRISED OF THE OFFICERS OF THE SOCIETY: PRESIDENT, IMMEDIATE PAST PRESIDENT, PRESIDENT-ELECT, EXECUTIVE DIRECTOR (AS SECRETARY) AND TREASURER. THE EXECUTIVE DIRECTOR IS A VOTING MEMBER OF THE BOARD, EXCEPT ON THE MATTER OF THE EXECUTIVE DIRECTOR'S SALARY AND CONTRACT REVIEW AND DETERMINATION.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY HAS FIVE TYPES OF MEMBERS AS FOLLOWS: MEMBER - ANY INDIVIDUAL WHO SUPPORTS THE OBJECTIVES OF THE SOCIETY AND IS WILLING TO CONTRIBUTE TO THE ACHIEVEMENT OF THOSE OBJECTIVES IS ELIGIBLE FOR MEMBERSHIP. STUDENT MEMBER - ANY INDIVIDUAL FORMALLY ENROLLED IN A PROGRAM OF STUDY WHICH INCLUDES ASPECTS OF HEALTH ECONOMICS OR HEALTH OUTCOMES RESEARCH IN THE STUDY CURRICULUM AND SUPPORTS THE MISSION OF THE SOCIETY IS ELIGIBLE FOR STUDENT MEMBERSHIP. STUDENT MEMBERS ARE NOT PERMITTED TO HOLD OFFICER OR DIRECTOR POSITIONS. FELLOW - ANY MEMBER WHO IS DEEMED TO HAVE MADE A MERITORIOUS CONTRIBUTION TO THE ADVANCEMENT OF HEALTH ECONOMICS AND/OR OUTCOMES RESEARCH AS DEFINED BY THE ISPOR BOARD. NEW PROFESSIONAL - ANY INDIVIDUAL WITH THREE YEARS OR LESS PROFESSIONAL EXPERIENCE IN HEALTH ECONOMICS OR OUTCOMES RESEARCH. RETIRED MEMBERS - ANY MEMBER WITH TEN OR MORE YEARS OF PAID ISPOR MEMBERSHIP AND WORKING LESS THAN HALF TIME (TWENTY OR FEWER HOURS PER WEEK).</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>MEMBERS, STUDENT MEMBERS, FELLOWS, NEW PROFESSIONALS, AND RETIRED MEMBERS HAVE THE RIGHT TO VOTE FOR BOARD OFFICERS AND DIRECTORS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ISPOR FORM 990 IS PREPARED BY AN INDEPENDENT ACCOUNTING FIRM. THE FORM 990 IS REVIEWED BY THE CFO, COO, CEO AND BOARD TREASURER. THE COMPLETED FORM 990 IS AVAILABLE FOR REVIEW BY THE BOARD OF DIRECTORS BEFORE FILING WITH THE IRS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>TO ENSURE COMPLIANCE WITH THE ORGANIZATION'S CONFLICT OF INTEREST POLICY, BOARD MEMBERS, OFFICERS AND EMPLOYEES AGREE TO COMPLY WITH THE POLICY BY COMPLETING AND SIGNING A CONFLICT OF INTEREST STATEMENT. EVERY YEAR THE BOARD HAS THE RESPONSIBILITY OF ENSURING COMPLIANCE WITH THE POLICY, ADMINISTERING THE ANNUAL QUESTIONNAIRE AND MAKING DECISIONS AS REQUIRED TO AVOID ACTUAL CONFLICT OF INTEREST. THE BOARD ALSO REVIEWS AND REVISES THIS POLICY AS NEEDED. IN THE EVENT OF AN ACTUAL CONFLICT OF INTEREST OR THE APPEARANCE OF A CONFLICT OF INTEREST, THE INTERESTED PARTY MUST DISCLOSE THE NATURE OF THE CONFLICT AND HE/SHE SHALL NOT BE PRESENT IN THE BOARD OR COMMITTEE DELIBERATIONS OR VOTE ON THE MATTER. COMPLETED CONFLICT OF INTEREST FORMS ARE INCLUDED ON BOARD AGENDAS, AND RECORDED IN THE BOARD MINUTES.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>THE COMPENSATION OF THE EXECUTIVE DIRECTOR IS DETERMINED USING MARKET COMPENSATION ANALYSIS AND COMPARISON TO LIKE ORGANIZATIONS. THE EXECUTIVE COMMITTEE NEGOTIATES A WRITTEN EMPLOYMENT AGREEMENT WITH COMPENSATION DETERMINED BY A FORMAL VOTE IN PRIVATE SESSIONS WITHOUT THE EXECUTIVE DIRECTOR'S PRESENCE. ANNUALLY, THE EXECUTIVE COMMITTEE CONDUCTS A REVIEW OF THE EXECUTIVE DIRECTOR'S PERFORMANCE AGAINST ANNUAL PRE-SET GOALS AND ORGANIZATIONAL PERFORMANCE.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>ISPOR MAKES ITS FINANCIAL STATEMENTS, CONFLICT OF INTEREST POLICY AND GOVERNING DOCUMENTS AVAILABLE UPON WRITTEN REQUESTS SUBMITTED TO ISPOR'S ADDRESS.</ExplanationTxt>
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          <AddressLine1Txt>505 LAWRENCE SQUARE BLVD SOUTH</AddressLine1Txt>
          <CityNm>LAWRENCEVILLE</CityNm>
          <StateAbbreviationCd>NJ</StateAbbreviationCd>
          <ZIPCd>08648</ZIPCd>
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          <BusinessNameLine1Txt>THE INTERNATIONAL SOCIETY FOR PHARMACOECONOMICS AND OUTCOMES RESEARCH INC</BusinessNameLine1Txt>
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</Return>