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    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990 IS REVIEWED BY THE PRESIDENT, MAC TICHENOR, JR, PRIOR TO FILING. ALL MEMBERS OF THE GOVERNING BODY HAVE ACCESS TO FORM 990 UPON REQUEST, BUT ARE NOT REQUIRED TO REVIEW THE FORM BEFORE IT IS FILED.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>ALL BOARD MEMBERS, ADVISORS, TRUSTEES, REVIEWERS, AND OSTEOSARCOMA INSTITUTE INC. (OSI) GUESTS WHO ATTEND MEETINGS OR HAVE ACCESS TO CONFIDENTINAL OSI INFORMATION ARE SUBJECT TO THE CONFLICT OF INTEREST POLICY. A CERTIFICATION ADHERING TO THE CONFLICT OF INTEREST POLICY MUST BE SIGNED BY THESE MEMBERS BEFORE EACH OSI RELATED MEETING TO ENSURE ALL PARTIES ARE FOLLOWING THE POLICY. THE OVERALL POLICY LIMITS DISCUSSIONS TO ONLY THOSE RELEVANT PARTIES DIRECTLY INVOLVED IN REVIEWS AND EVALUATIONS OR PARTICIPATING IN SPECIFIC MEETINGS. SPECIFICALLY, IT REQUIRES THOSE BOUND BY THE POLICY TO (1) DESTROY OR RETURN ALL MATERIALS RELATED TO OSI EVALUATIONS, (2) NOT TO DISCLOSE OR DISCUSS THE MATERIALS ASSOCIATED WITH ANY REVIEW, EVALUATION, OR REVIEW MEETING(S) WITH ANY OTHER INDIVIDUAL UNLESS OFFICIALLY DESIGNATED TO PARTICIPATE IN THE REVIEW PROCESS, (3) NOT TO DISCLOSE PROCUREMENT INFORMATION PRIOR TO THE AWARD OF A GRANT/CONTRACT, AND (4) TO REFER ALL INQUIRIES CONCERNING THE REVIEW TO THE OSI SCIENTIFIC REVIEW ADMINISTRATOR OR OTHER DESIGNATED OFFICIAL OF THE OSI PROJECT. THE BOARD PERIODICALLY EVALUATES ALL CONFLICTS OF INTERESTS AS WELL AS ANY FACTORS PERTAINING TO CONFLICTS OF INTERESTS THROUGH COLLABORATIVE CHECKS-AND-BALANCES PERFORMED BY EACH BOARD MEMBER AND TRUSTEE. CONFLICTS OF INTEREST AND CONFIDENTIALITY ARE HIGHLIGHTED AT EACH MEETING AND THROUGHOUT THE SCIENTIFIC RESEARCH PROCESS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15B</FormAndLineReferenceDesc>
        <ExplanationTxt>COMPENSATION IS BASED ON FAIR MARKET VALUE OF SERVICES DESCRIBED IN THE STATEMENT OF WORK PROVIDED TO EACH INDPENDENT CONTRACTOR.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>A COPY OF THE OSTEOSARCOMA INSTITUTE'S GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS ARE AVAILABLE UPON REQUEST TO THE PUBLIC.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>BOARD FEES: PROGRAM SERVICE EXPENSES 0. MANAGEMENT AND GENERAL EXPENSES 50,000. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 50,000. CONTRACTED SERVICES: PROGRAM SERVICE EXPENSES 0. MANAGEMENT AND GENERAL EXPENSES 290,903. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 290,903.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>