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        <FormAndLineReferenceDesc>PART I, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>THE COMPENSATION NOTED IN PART II IS DETERMINED AND PAID BY THE RELATED ENTITY, COOPER UNION FOR THE ADVANCEMENT OF SCIENCE &amp; ART. PLEASE REFER TO THE 990 FILING OF SAID ENTITY FOR A MORE COMPLETE DESCRIPTION.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 4B</FormAndLineReferenceDesc>
        <ExplanationTxt>PRESIDENT LAURA SPARKS PARTICIPATED IN A 457(F) RETIREMENT PLAN AND RECEIVED $2,500 OF NON-QUALIFIED DEFERRED COMPENSATION FROM THAT PLAN DURING CALENDAR YEAR 2023.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>UNDER THE BYLAWS OF ASTOR PLACE HOLDING CORPORATION, ITS SOLE STOCKHOLDER IS THE COOPER UNION FOR THE ADVANCEMENT OF SCIENCE AND ART, WHICH APPOINTS ALL BOARD MEMBERS AND OFFICERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>UNDER THE BYLAWS OF ASTOR PLACE HOLDING CORPORATION, ITS SOLE STOCKHOLDER IS THE COOPER UNION FOR THE ADVANCEMENT OF SCIENCE AND ART, WHICH APPOINTS ALL BOARD MEMBERS AND OFFICERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>UNDER THE BYLAWS OF ASTOR PLACE HOLDING CORPORATION, ITS SOLE STOCKHOLDER IS THE COOPER UNION FOR THE ADVANCEMENT OF SCIENCE AND ART, WHICH APPOINTS ALL BOARD MEMBERS AND OFFICERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FORM 990 IS REVIEWED BY EXTERNAL AUDITORS (GRANT THORNTON), THEN PRESENTED TO THE AUDIT COMMITTEE OF THE BOARD AND PROVIDED TO ALL VOTING MEMBERS, AS A WHOLE BEFORE IT IS FILED.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>ASTOR PLACE HOLDING CORPORATION HAS A WHISTLEBLOWER POLICY, A RECORD RETENTION POLICY AND A CONFLICT OF INTEREST POLICY STATEMENT AND DISCLOSURE QUESTIONNAIRE FOR DIRECTORS, OFFICERS AND KEY MEMBERS. ASTOR PLACE HOLDING CORPORATION CONDUCTS AN ANNUAL REVIEW IN ACCORDANCE WITH ITS CONFLICT OF INTEREST POLICY AND PROCEDURES. UNDER THE POLICY, ASTOR PLACE PROHIBITS ITS BOARD OF TRUSTEES, OFFICERS, AND KEY MEMBERS FROM PARTICIPATING IN THE GOVERNING BODY'S DELIBERATIONS AND DECISION-MAKING FOR TRANSACTIONS THAT MAY PRESENT A CONFLICT OF INTEREST UNDER THE TERMS OF THE POLICY. AN ANNUAL QUESTIONNAIRE IS SENT TO ALL TRUSTEES, OFFICERS, AND KEY MEMBERS. THE CORPORATE SECRETARY THEN REVIEWS RESPONSES TO THE QUESTIONNAIRE AND DISCLOSES ANY CONFLICTS TO THE AUDIT COMMITTEE FOR ADJUDICATION. ASTOR PLACE THEN DOCUMENTS, THROUGH COMMITTEE MINUTES, ANY DECISIONS RELATED TO TRANSACTIONS INVOLVING AN ACTUAL OR POSSIBLE CONFLICT OF INTEREST. THE SECRETARY TO THE BOARD OF TRUSTEES IS THEN RESPONSIBLE FOR MAINTAINING A LIST OF CONFLICTS DISCLOSED BY TRUSTEES, OFFICERS AND STAFF DURING THE ANNUAL REVIEW. ASTOR PLACE HOLDING CORPORATION CONDUCTS PERIODIC REVIEW OF TRANSACTIONS INVOLVING SIGNIFICANT EXPENDITURES TO ENSURE ANY AMOUNTS PAID TO EXTERNAL VENDORS ARE REASONABLE.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>ASTOR PLACE HOLDING CORPORATION FOLLOWS THE COMPENSATION POLICY AS SET FORTH BY RELATED ORGANIZATION, THE COOPER UNION. THE COMPENSATION COMMITTEE OF THE BOARD REVIEWS AND APPROVES THE INSTITUTIONAL GOALS AND OBJECTIVES RELEVANT TO COMPENSATION OF THE PRESIDENT AND OFFICERS. THE ORGANIZATION MAINTAINS CONTEMPORANEOUS WRITTEN RECORDS REGARDING THE COMPENSATION DETERMINATION PROCESS. NO INDIVIDUALS WHO HAVE CONFLICTS OF INTEREST MAY BE INVOLVED IN THE COMPENSATION REVIEW, DISCUSSIONS AND DECISIONS.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>ASTOR PLACE HOLDING CORPORATION WILL MAKE ITS GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY AND FINANCIAL STATEMENTS AVAILABLE UPON REQUEST AT MANAGEMENT'S DISCRETION.</ExplanationTxt>
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