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        <FormAndLineReferenceDesc>PART I, LINE 7</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FOLLOWING RECIPIENTS RECEIVED BONUSES IN 2016: SUSAN CAPON, NANCY BERG, RICHARD WILLKE, STEPHEN TUCKERSON, AND CHRISTINA DARNOWSKI. THE BONUSES WERE PART OF THE ANNUAL BUDGET WHICH WAS APPROVED BY THE BOARD OF DIRECTORS. THESE AMOUNTS ARE INCLUDED IN EACH RECIPIENT'S 2016 FORM W-2, BOX 5. THE BONUSES PAID FOR NANCY BERG IN 2016 COVERED THE YEARS ENDING DECEMBER 31, 2015 AND DECEMEBR 31, 2016. THE 2015 BONUS WAS ACCRUED AS OF DECEMBER 31, 2015 AND PAID IN 2016.</ExplanationTxt>
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        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>(1) 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. (2) STUDENT MEMBER: ANY INDIVIDUAL FORMALLY ENROLLED IN A PROGRAM OF STUDY WHICH INCLUDES ASPECTS OF PHARMACOECONOMICS AND/OR HEALTH OUTCOMES MANAGEMENT (I.E. PUBLIC HEALTH, ETC) IN THE STUDY CURRICULUM AND SUPPORTS THE OBJECTIVES OF THE SOCIETY IS ELIGIBLE FOR STUDENT MEMBERSHIP. (3) CHARTER MEMBER: ANY INDIVIDUAL WHO JOINED THE SOCIETY AS A CHARTER MEMBER UPON THE FIRST YEAR OF MEMBERSHIP SOLICITATION, SUPPORTS THE OBJECTIVES OF THE SOCIETY, AND IS WILLING TO CONTRIBUTE TO THE ACHIEVEMENT OF THOSE OBJECTIVES IS ELIGIBLE FOR CHARTER MEMBERSHIP. (4) FELLOW: ANY MEMBER WHO IS DEEMED TO HAVE MADE A MERITORIOUS CONTRIBUTION TO THE ADVANCEMENT OF PHARMACOECONOMICS AND/OR OUTCOMES RESEARCH MAY BE NOMINATED BY THE FOUNDERS OR FELLOWS OF THE SOCIETY. THE NOMINEES ARE APPROVED BY THE SOCIETY'S FELLOWS SELECTION COMMITTEE AND BOARD OF DIRECTORS. (5) HONORARY MEMBER: ANY INDIVIDUAL MAY BE GRANTED HONORARY MEMBERSHIP BY THE BOARD OF DIRECTORS. HONORARY MEMBERS SHALL HAVE NO VOTING RIGHTS AND MAY NOT HOLD OFFICE IN THE SOCIETY. (6) FOUNDERS: THOSE INDIVIDUALS WHO ATTENDED THE FOUNDERS MEETINGS HELD IN PHILADELPHIA, PENNSYLVANIA ON JUNE 3, 1995 AND OCTOBER 22, 1995 AND JOINED THE SOCIETY AS A FOUNDER.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>DESCRIPTION OF 6 CLASSES OF MEMBERS SECTION 1 MEMBER ANY INDIVIDUAL WHO SUPFORTS THE OBJECTIVES OF THE SOCIETY AND IS WILLING TO CONTRIBUTE TO THE ACHIEVEMENT OF THOSE OBJECTIVES IS ELIGIBLE FOR MEMBERSHIP SECTION 2 STUDENT MEMBER ANY INDIVIDUAL FORMALLY ENROLLED IN A PROGRAM OF STUDY WHICH INCLUDES ASPECTS OF PHARMACOECONOMICS AND/OR HEAL TH OUTCOMES MANAGEMENT (I E PUBLIC HEAL TH, ETC) IN THE STUDY CURRICULUM AND SUPFORTS THE OBJECTIVES OF THE SOCIETY IS ELIGIBLE FOR STUDENT MEMBERSHIP SECTION 3 CHARTER MEMBER ANY INDIVIDUAL WHO JOINED THE SOCIETY AS A CHARTER MEMBER URJN THE FIRST YEAR OF MEMBERSHIP SOLICITATION, SUPFORTS THE OBJECTIVES OF THE SOCIETY, AND IS WILLING TO CONTRIBUTE TO THE ACHIEVEMENT OF THOSE OBJECTIVES IS ELIGIBLE FOR CHARTER MEMBERSHIP SECTION 4 FELLOW ANY MEMBER WHO IS DEEMED TO HAVE MADE A MERITORIOUS CONTRIBUTION TO THE ADVANCEMENT OF PHARMACOECONOMICS AND/OR OUTCOMES RESEARCH MAY BE NOMINATED BY THE FOUNDERS OR FELLOWS OF THE SOCIETY THE NOMINEES ARE APPROVED BY THE SOCIETY'S FELLOWS SELECTION COMMITIEE AND BOARD OF DIRECTORS SECTION 5 HONORARYMEMBER ANY INDIVIDUAL MAY BE GRANTED HONORARY MEMBERSHIP BY THE BOARD OF DIRECTORS HONORARY MEMBERS SHALL HA VE NO VOTING RIGHTS AND MAY NOT HOLD OFFICE IN THE SOCIETY SECTION 6 FOUNDERS THOSE INDIVIDUALS WHO A TIENDED THE FOUNDERS MEETINGS HELD IN PHILADELPHIA, PENNSYLVANIA ON JUNE 3, 1995 AND OCTOBER 22, 1995 AND JOINED THE SOCIETY AS A FOUNDER THE BOARD OF DIRECTORS MAY, IN THE INTERESTS OF THE SOCIETY, ESTABLISH OTHER CLASSES OF MEMBERSHIP</ExplanationTxt>
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        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>CERTAIN GOVERNANCE DECISIONS OF THE ORGANIZATION ARE RESERVED TO OR SUBJECT TO APPROVAL BY MEMBERS FOR EXAMPLE, ANY OFFICER OR DIRECTOR EXCEPT THE EXECUTIVE DIRECTOR MAY BE RECALLED BY A VOTE OF ALL ELIGIBLE MEMBERS</ExplanationTxt>
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        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ISPOR FORM 990 IS PREPARED BY AN OUTSIDE ACCOUNTING FIRM THE FORM 990 IS REVIEWED BY THE EXECUTIVE DIRECTOR A COPY OF THE FORM 990 IS AVAILABLE TO THE BOARD OF DIRECTORS AND MAY BE DISCUSSED, AS NEEDED, AT THE NEXT BOARD MEETING</ExplanationTxt>
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        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>TO INSURE 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, INTERESTED PARTY MUST DISCLOSE THE NATURE OF THE CONFLICT AND HE/SHE SHALL NOT BE PRESENT IN THE BOARD OR COMMITIEE 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 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE EXECUTIVE COMMITIEE (ISPOR PRESIDENT, PAST-PRESIDENT, PRESIDENT-ELECT, AND TREASURER) CONDUCTS AN ANNUAL REVIEW OF THE EXECUTIVE DIRECTOR'S PERFORMANCE INCLUDING ACCOMPLISHMENTS VERSUS PRE-SPECIFIED GOALS AS WELL AS THE PERFORMANCE OF THE ORGANIZATION. BENCHMARKING OF THE COMPENSATION OF THE EXECUTIVE DIRECTOR IS DETERMINED USING ASSOCIATION CHIEF STAFF EXECUTIVE COMPENSATION SURVEYS BY THE ASAE. COMPENSATION OF THE EXECUTIVE DIRECTOR IS ALSO DETERMINED WITH THE USE OF COMPENSATION SURVEYS AND FORMS 990 OF SIMILAR ORGANIZATIONS. IN ADDITION, IN 2014, THE EXECUTIVE COMMITIEE HIRED AN EXECUTIVE SEARCH FIRM TO PROVIDE COMPENSATION ADVICE FOR THE NEW EXECUTIVE DIRECTOR. THE LAST SALARY EVALUATION FOR THE EXECUTIVE DIRECTOR POSITION WAS CONDUCTED IN 2014. A LETTER FROM THE PRESIDENT AUTHORIZING THE EXECUTIVE DIRECTOR'S COMPENSATION IS RETAINED WITH THE ISPOR PAYROLL RECORDS.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 18</FormAndLineReferenceDesc>
        <ExplanationTxt>ISPOR MAKES ITS FORM 990 AVAILABLE FOR PUBLIC INSPECTION AS REQUIRED UNDER SECTION 6104 OF THE INTERNAL REVENUE CODE. THE RETURN IS POSTED ON GUIDESTAR ORG AND OTHER SIMILAR TYPES OF WEBSITES. IN ADDITION, THE FINANCIAL STATEMENTS, CONFLICT OF INTEREST POLICY, FORM 990, FORM 1023, AND BY -LAWS ARE ALSO AVAILABLE UPON WRITIEN REQUEST AT 505 LAWRENCE SQUARE BL VD SOUTH, LAWRENCEVILLE, NJ 08648.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>ISPOR MAKES ITS FORM 990 AVAILABLE FOR PUBLIC INSPECTION AS REQUIRED UNDER SECTION 6104 OF THE INTERNAL REVENUE CODE. THE RETURN IS POSTED ON GUIDESTAR.ORG AND OTHER SIMILAR TYPES OF WEBSITES. IN ADDITION, THE FINANCIAL STATEMENTS, CONFLICT OF INTEREST POLICY. FORM 990, FORM 1023 AND BY-LAWS ARE ALSO AVAILABLE UPON WRITTEN REQUEST AT ISPOR'S ADDRESS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C:</FormAndLineReferenceDesc>
        <ExplanationTxt>ISPOR'S PROCESS OF OVERSEEING THE ANNUAL AUDIT OF ITS FINANCIAL STATEMENTS AND THE SELECTION OF THE INDEPENDENT AUDITOR HAS NOT CHANGED FROM THE PRIOR YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>