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          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 3</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ASPEN INSTITUTE, INC., AN UNRELATED 501(C)(3) ORGANIZATION, PROVIDED MANAGEMENT, STAFFING, AND FACILITIES TO ZEMBA THROUGH AN ADMINISTRATIVE SERVICES AGREEMENT. THESE MANAGEMENT SERVICES ARE PROVIDED IN-KIND FOR NO FEE, AND ARE EXCLUDED FROM REVENUE ON PART VIII AND EXPENSES ON PART IX.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>ZEMBA MEMBERSHIP CONSISTS OF TWO CLASSES OF MEMBERS: THE FOUNDING MEMBERS AND THE GENERAL MEMBERS. MEMBERSHIP IS AVAILABLE TO CARGO OWNERS AND OTHER ENTITIES ADVANCING SUSTAINABILITY AND SPECIFICALLY ZERO EMISSIONS IN THE SHIPPING INDUSTRY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>FOUNDING MEMBERS EACH HAVE THE RIGHT TO APPOINT ONE DIRECTOR TO THE BOARD. ADDITIONALLY, ASPEN INSTITUTE HAS THE RIGHT TO APPOINT ONE DIRECTOR TO THE BOARD.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>THIS FORM 990 IS REVIEWED BY THE TREASURER AND BOARD, PRIOR TO FILING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>ZEMBA AT ALL TIMES WILL CONDUCT ITS OPERATIONS UNDER THE HIGHEST STANDARDS OF NONPROFIT GOVERNANCE. AS PART OF THIS EFFORT, ZEMBA HAS ADOPTED A CODE OF ETHICS/CONDUCT POLICY, A CONFLICT OF INTEREST POLICY, A COMPENSATION POLICY, AN ANTITRUST COMPLIANCE POLICY, A REPORTING AND INVESTIGATING ALLEGATIONS OF IMPROPER ACTIVITY (WHISTLEBLOWER) POLICY, A DOCUMENTATION AND RECORDS DESTRUCTION POLICY, AND A JOINT VENTURE POLICY. THE CONFLICT OF INTEREST AND RELATED POLICIES ARE INTENDED TO ENSURE, ALONG WITH ZEMBA'S STRUCTURE AND OTHER OPERATIONAL PROCEDURES, THAT THE MEMBERS, THE BOARD, OFFICERS, OR OTHER PRIVATE PARTIES CAN NEVER USE THEIR RELATIONSHIP TO, OR INFLUENCE ON, ZEMBA FOR PERSONAL OR PRIVATE GAIN, TO AVOID ANY POTENTIAL ISSUES OF INUREMENT, EXCESS BENEFIT, OR SUBSTANTIAL PRIVATE BENEFIT.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>ALL DOCUMENTS ARE AVAILABLE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>CONSULTANTS: PROGRAM SERVICE EXPENSES 1,441,381. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 1,441,381. OTHER CONTRACTED SERVICES: PROGRAM SERVICE EXPENSES 2,491. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 2,491.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>