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        <FormAndLineReferenceDesc>SCHEDULE A, PART IV, SECTION D, LINE 3 SUPP. ORG. HAVE SIGNIFICANT VOICE IN INVESTMENT POLICIES</FormAndLineReferenceDesc>
        <ExplanationTxt>THE TREASURER/CHIEF FINANCIAL OFFICER AND THE CORPORATE SECRETARY OF EACH SUPPORTED ORGANIZATION ALSO SERVE AS OFFICERS IN THE SAME OFFICIAL CAPACITY FOR COH HOLDCO INC. COH HOLDCO INC. HAS THE POWER TO APPOINT AND REMOVE THE DIRECTORS OF THE SUPPORTED ORGANIZATIONS, AND THE BOARD OF EACH SUPPORTED ORGANIZATION WILL REPORT REGULARLY TO COH HOLDCO INC. ON ITS ACTIVITIES AND FINANCIAL POSITION. FURTHER, THE BYLAWS OF EACH SUPPORTED ORGANIZATION PROVIDE THAT THOSE ENTITIES AND THEIR GOVERNING BOARDS WILL NOT AUTHORIZE OR TAKE CERTAIN ACTIONS WITHOUT THE PRIOR WRITTEN APPROVAL OF COH HOLDCO INC., INCLUDING ANY ACTIONS THAT WOULD MATERIALLY CHANGE THE OPERATIONS, ACTIVITIES, FINANCES, OR RESOURCE ALLOCATION OF THE SUPPORTED ORGANIZATION. ACCORDINGLY, THE SUPPORTING ORGANIZATIONS DIRECTORS AND OFFICERS OF NECESSITY MUST INFORM COH HOLDCO INC. OF THE NEEDS OF THE SUPPORTED ORGANIZATIONS.</ExplanationTxt>
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      <Form990ScheduleAPartVIGrp>
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        <ExplanationTxt>COH HOLDCO INC. IS THE SOLE MEMBER OF EACH OF THE SUPPORTED ORGANIZATIONS AND ELECTS THE DIRECTORS OF EACH SUPPORTED ORGANIZATION AS REQUIRED UNDER THE BYLAWS OF SUCH ORGANIZATION. AS THE SOLE MEMBER, COH HOLDCO INC. IS EMPOWERED TO REMOVE ANY DIRECTOR OF A SUPPORTED ORGANIZATION WITH OR WITHOUT CAUSE. COH HOLDCO INC., IN ITS CAPACITY AS THE SOLE MEMBER FOR EACH SUPPORTED ORGANIZATION, APPOINTS THE PRESIDENT, ALONG WITH THE CHAIR AND VICE CHAIR - IF ANY - FOR EACH SUPPORTED ORGANIZATION. THE REST OF THE OFFICERS OF THE SUPPORTED ORGANIZATIONS ARE APPOINTED BY THE GOVERNING BOARDS OF THEIR RESPECTIVE ORGANIZATION. AT PRESENT, THE GOVERNING BOARDS OF EACH SUPPORTED ORGANIZATION ARE COMPRISED ENTIRELY OF DIRECTORS FROM COH HOLDCO INC.'S GOVERNING BOARD, AND THEY CONSTITUTE NINE OF THE THIRTEEN MEMBERS OF COH HOLDCO INC.'S BOARD OF DIRECTORS.</ExplanationTxt>
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        <FormAndLineReferenceDesc>SCHEDULE A, PART IV, SECTION E, LINE 3B SUBSTANTIAL DIRECTION OVER POLICIES/PROGRAMS/ACTIVITIES</FormAndLineReferenceDesc>
        <ExplanationTxt>THE TREASURER/CHIEF FINANCIAL OFFICER AND CORPORATE SECRETARY OF COH HOLDCO INC. SERVE AS OFFICERS IN THE SAME OFFICIAL CAPACITY FOR EACH SUPPORTED ORGANIZATION. FURTHER, THE BYLAWS OF EACH SUPPORTED ORGANIZATION PROVIDE THAT THOSE ENTITIES AND THEIR GOVERNING BOARDS WILL NOT AUTHORIZE OR TAKE CERTAIN ACTIONS WITHOUT THE PRIOR WRITTEN APPROVAL OF COH HOLDCO INC., INCLUDING ANY ACTIONS THAT WOULD MATERIALLY CHANGE THE OPERATIONS, ACTIVITIES, FINANCES, OR RESOURCE ALLOCATION OF THE SUPPORTED ORGANIZATION.</ExplanationTxt>
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        <ExplanationTxt>THE FOLLOWING PARAGRAPH IS FROM THE CITY OF HOPE CONSOLIDATED AUDITED FINANCIAL STATEMENTS AS OF SEPTEMBER 30, 2025 (WHICH INCLUDES CITY OF HOPE, CITY OF HOPE NATIONAL MEDICAL CENTER (THE "CENTER"), CITY OF HOPE MEDICAL FOUNDATION (THE "FOUNDATION"), AND BECKMAN RESEARCH INSTITUTE OF THE CITY OF HOPE (THE "INSTITUTE") (COLLECTIVELY, THE "OBLIGATED GROUP"); THE TRANSLATIONAL GENOMICS RESEARCH INSTITUTE AND ITS AFFILIATES ("TGEN"); SOUTHERN CALIFORNIA RADIATION ONCOLOGY, LLC ("SCRO"); ACCESSHOPE, LLC ("AH"); STEPHENSON GLOBAL PANCREATIC CANCER RESEARCH INSTITUTE, LLC; COH PROPERTY HOLDINGS OC, LLC; COH PROPERTY MANAGEMENT OC, LLC; AND COH HOLDCO INC. ("HOLDCO"), THE PARENT OF CANCER TREATMENT CENTERS OF AMERICA ENTITIES ("CTCA ENTITIES") (COLLECTIVELY, THE "AFFILIATED GROUP"). THESE ENTITIES REPRESENT THE CONSOLIDATED CITY OF HOPE ORGANIZATION (COLLECTIVELY REFERRED TO AS "CITY OF HOPE")). CITY OF HOPE IS EXEMPT FROM FEDERAL INCOME TAX UNDER SECTION 501(A) AS DESCRIBED IN SECTION 501(C)(3) OF THE U.S. INTERNAL REVENUE CODE. CITY OF HOPE, THE CENTER, THE FOUNDATION, AND THE INSTITUTE ARE EXEMPT FROM CALIFORNIA STATE FRANCHISE AND INCOME TAX UNDER SECTION 23701(D) OF THE CALIFORNIA REVENUE AND TAXATION CODE. ASC 740, INCOME TAXES, CLARIFIES THE ACCOUNTING FOR INCOME TAXES BY PRESCRIBING A MINIMUM RECOGNITION THRESHOLD THAT A TAX POSITION IS REQUIRED TO MEET BEFORE BEING RECOGNIZED IN THE CONSOLIDATED FINANCIAL STATEMENTS. ASC 740 ALSO PROVIDES GUIDANCE ON DE-RECOGNITION, MEASUREMENT, CLASSIFICATION, INTEREST AND PENALTIES, DISCLOSURE, AND TRANSITION. THE GUIDANCE CONTAINED IN ASC 740 IS APPLICABLE TO PASS-THROUGH ENTITIES AND TAX-EXEMPT ORGANIZATIONS. CITY OF HOPE HAS NO SIGNIFICANT UNCERTAIN TAX POSITIONS OR TAX LIABILITY FOR TAX BENEFITS, INTEREST, OR PENALTIES ACCRUED AS OF SEPTEMBER 30, 2025 OR 2024.</ExplanationTxt>
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        <PersonNm>PETER KNEEDLER</PersonNm>
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        <PersonNm>ANTHONY PERRE</PersonNm>
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        <PersonNm>NEETU SAMRA-MASUTA</PersonNm>
        <TitleTxt>SVP AND CHIEF ACCOUNTING OFFICER</TitleTxt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>JUSTIN SPENCER</PersonNm>
        <TitleTxt>SVP, ENTERPRISE ANALYTICS</TitleTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE J, PART I, LINE 1A FIRST-CLASS OR CHARTER TRAVEL</FormAndLineReferenceDesc>
        <ExplanationTxt>COH HOLDCO INC. PERMITS FIRST CLASS TRAVEL FOR CERTAIN OFFICERS, DIRECTORS, AND KEY EXECUTIVES IN LIMITED CIRCUMSTANCES WHEN SPECIFIED TRAVEL CRITERIA ARE MET.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE J, PART I, LINE 4A SEVERANCE OR CHANGE-OF-CONTROL PAYMENT</FormAndLineReferenceDesc>
        <ExplanationTxt>COH HOLDCO INC. ENTERED INTO A SEPARATION AGREEMENT WITH FORMER SENIOR VICE PRESIDENT AND CHIEF ACCOUNTING OFFICER, NEETU SAMRA-MASUTA, UPON THEIR DEPARTURE IN MARCH 2024. UNDER THE TERMS OF THE AGREEMENT, SHE RECEIVED A SEVERANCE PAYMENT OF TWELVE MONTHS BASE SALARY, LESS APPLICABLE WITHHOLDINGS AND DEDUCTIONS, PAID IN BIWEEKLY INSTALLMENTS AND TWELVE MONTHS OF COBRA BENEFITS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE J, PART I, LINE 4B SUPPLEMENTAL NONQUALIFIED RETIREMENT PLAN</FormAndLineReferenceDesc>
        <ExplanationTxt>CITY OF HOPE HAS A NON-QUALIFIED SECTION 457(F) EXECUTIVE SUPPLEMENTAL ACCUMULATION PLAN THAT IS DESIGNED AND MAINTAINED TO PROVIDE A SELECT GROUP OF MANAGEMENT OR HIGHLY COMPENSATED EMPLOYEES WITH DEFERRED COMPENSATION. THE PLAN VESTS AFTER THREE (3) FISCAL YEARS OF SERVICE AND THE VESTED TOTALS ARE INCLUDED IN SCHEDULE J, PART II, COLUMN B (III). PRIOR TO VESTING, THE ANNUAL AMOUNTS ARE INCLUDED IN SCHEDULE J, PART II, COLUMN C. PURSUANT TO THE PLAN DOCUMENT, VESTED PARTICIPANTS ARE ENTITLED TO WITHDRAW FROM THEIR VESTED ACCOUNT AN AMOUNT EQUAL TO THE FEDERAL, STATE, LOCAL AND FICA TAXES THEY OWE. THESE AMOUNTS ARE REMITTED TO THE APPROPRIATE TAXING AUTHORITIES ON BEHALF OF THE PARTICIPANTS. DURING CALENDAR YEAR 2024, NO INDIVIDUALS WITHDREW AMOUNTS TO COVER SUCH TAXES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>SCHEDULE J, PART I, LINE 7 NON-FIXED PAYMENTS</FormAndLineReferenceDesc>
        <ExplanationTxt>COH HOLDCO INC.'S EXECUTIVES AND CERTAIN KEY EMPLOYEES ARE ELIGIBLE TO RECEIVE INCENTIVE COMPENSATION UNDER AN ANNUAL INCENTIVE PLAN (AIP) TIED TO ORGANIZATIONAL KEY PERFORMANCE INDICATORS AND INDIVIDUAL OBJECTIVES. THE KEY PERFORMANCE INDICATORS REFLECT KEY AREAS OF STRATEGIC FOCUS AND THE EXEMPT HEALTHCARE MISSION OF CITY OF HOPE AND AFFILIATES AND ARE BOTH FINANCIAL AND NON-FINANCIAL. THE POTENTIAL INCENTIVE COMPENSATION IS BASED ON A WEIGHTED AVERAGE AMONG ALL INDICATORS AND IS PAID AS A PERCENTAGE OF EACH INDIVIDUAL PARTICIPANT'S BASE COMPENSATION. THE KEY PERFORMANCE INDICATORS ARE WEIGHTED BASED ON THE PARTICIPANT'S PRIMARY AREA(S) OF RESPONSIBILITY, WITH ORGANIZATIONAL KEY PERFORMANCE INDICATORS WEIGHTED FROM 70 PERCENT TO 90 PERCENT, AND THE INDIVIDUAL OBJECTIVES WEIGHTED FROM 10 PERCENT TO 30 PERCENT. THE AIP IS UNDER THE CONTROL OF, AND ADMINISTERED BY, THE INDEPENDENT DIRECTORS SERVING ON THE EXECUTIVE COMPENSATION AND GOVERNANCE COMMITTEE. TO BE ELIGIBLE, THE PARTICIPANTS IN THE AIP MUST BE EMPLOYED BY CITY OF HOPE AT THE TIME OF THE INCENTIVE PLAN PAYMENT, AND BE MEETING OR EXCEEDING PERFORMANCE EXPECTATIONS. CITY OF HOPE MAY, IN ITS DISCRETION, CANCEL ALL OR A PORTION OF ANY INCENTIVE PLAN PAYMENT OR AWARD TO ANY PARTICIPANT, WHETHER BEFORE OR FOLLOWING PAYMENT OF SUCH AWARD, SUBJECT TO COMPLIANCE WITH APPLICABLE LAW, UNDER THE FOLLOWING CIRCUMSTANCES (CANCELLATION POLICY): A) AN INCENTIVE PLAN PAYMENT OR AWARD IS MADE FOR A FISCAL PERIOD AND CITY OF HOPE SUBSEQUENTLY RESTATES OR OTHERWISE ADJUSTS THE ANNUAL PERFORMANCE MEASUREMENT CALCULATION IN A MANNER THAT WOULD REDUCE THE SIZE OF THE AWARD OR PAYMENT, OR; B) AN INCENTIVE PLAN PAYMENT OR AWARD IS MADE FOR A FISCAL PERIOD AND CITY OF HOPE SUBSEQUENTLY DETERMINES THAT ONE OF MORE OF THE ANNUAL PERFORMANCE MEASUREMENT CALCULATIONS ON WHICH THE AWARD IS BASED OR IS PAID ARE MATERIALLY INACCURATE. THE AIP INCENTIVE COMPENSATION EARNED FOR FISCAL YEAR 2024 WAS PAID IN CALENDAR YEAR 2024 AND THESE AMOUNTS HAVE BEEN REPORTED IN SCHEDULE J, PART II, COLUMN (B)(II). ADDITIONALLY, CITY OF HOPE HAS AN EXECUTIVE LONG-TERM INCENTIVE (LTI) PLAN FOR CERTAIN EXECUTIVES WHICH IS DESIGNED TO DRIVE LONG-TERM ORGANIZATIONAL PERFORMANCE AND TRANSFORMATION BY ALIGNING EXECUTIVES WITH THE MULTI-YEAR STRATEGIC PLAN AND INCENTIVIZING THEM FOR ACHIEVING KEY ORGANIZATIONAL AND STRATEGIC OBJECTIVES AND GOALS. WITH THREE-YEAR VESTING PERIODS, THE PLAN ALSO PROVIDES A MEANS FOR RETAINING KEY EXECUTIVE TALENT. THE PERFORMANCE PERIOD OF THE PLAN (CYCLE 10) RAN FROM OCTOBER 1, 2021 THROUGH SEPTEMBER 30, 2024 WITH A NEW THREE-YEAR PERFORMANCE PERIOD BEGINNING EACH OCTOBER 1ST THEREAFTER (E.G., CYCLE 11 RUNS FROM OCTOBER 1, 2022 THROUGH SEPTEMBER 30, 2025). TO BE ELIGIBLE TO PARTICIPATE IN ANY PAYOUT UNDER THE PLAN, PARTICIPANTS MUST BE ACTIVELY EMPLOYED BY CITY OF HOPE AT THE TIME OF THE INCENTIVE PLAN PAYMENT, AND BE MEETING OR EXCEEDING PERFORMANCE EXPECTATIONS. WHILE THE PLAN DOES MEET THE REQUIREMENTS FOR A SUBSTANTIAL RISK OF FORFEITURE, AS OF THE CALENDAR YEAR ENDING DECEMBER 31, 2024, THE POTENTIAL LTI AMOUNTS HAVE BEEN ESTIMATED AND ACCRUED DURING THE CURRENT TAX YEAR AND ARE REPORTED AS DEFERRED COMPENSATION TO THE PLAN PARTICIPANTS IN SCHEDULE J, PART II, COLUMN (C). THE LTI PLAN IS SUBJECT TO THE SAME CANCELLATION POLICY AS THE AIP DESCRIBED PREVIOUSLY. PARTICIPANTS WHO MET THE ELIGIBILITY CRITERIA RECEIVED A PAYOUT OF PLAN CYCLE 10 LTI INCENTIVES (OCTOBER 1, 2021 THROUGH SEPTEMBER 30, 2024) IN DECEMBER 2024. THESE AMOUNTS HAVE BEEN REFLECTED IN SCHEDULE J, PART II, COLUMN (B)(II).</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART III, LINE 1 ORGANIZATION'S MISSION STATEMENT</FormAndLineReferenceDesc>
        <ExplanationTxt>TO OPERATE EXCLUSIVELY FOR THE BENEFIT OF AND TO CARRY OUT THE PURPOSES OF MIDWESTERN REGIONAL MEDICAL CENTER, INC. (CITY OF HOPE CHICAGO), SOUTHEASTERN REGIONAL MEDICAL CENTER, INC. (CITY OF HOPE ATLANTA), AND WESTERN REGIONAL MEDICAL CENTER, INC. (CITY OF HOPE PHOENIX). COH HOLDCO, INC. IS PART OF AN INTEGRATED SYSTEM KNOWN AS CITY OF HOPE THAT COLLECTIVELY REFERS TO CITY OF HOPE, CITY OF HOPE NATIONAL MEDICAL CENTER (MEDICAL CENTER), CITY OF HOPE MEDICAL FOUNDATION (MEDICAL FOUNDATION), THE TRANSLATIONAL GENOMICS RESEARCH INSTITUTE AND ITS AFFILIATES, THE TRANSLATIONAL GENOMICS RESEARCH INSTITUTE FOUNDATION, SOUTHERN CALIFORNIA RADIATION ONCOLOGY, LLC, ACCESSHOPE, LLC, BECKMAN RESEARCH INSTITUTE OF THE CITY OF HOPE (BECKMAN RESEARCH INSTITUTE), CITY OF HOPE PHOENIX, CITY OF HOPE ATLANTA, AND CITY OF HOPE CHICAGO.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART V, LINE 2A COMMON PAYMASTER ARRANGEMENT</FormAndLineReferenceDesc>
        <ExplanationTxt>MOST OF CITY OF HOPE'S OFFICERS AND KEY EMPLOYEES, AS WELL AS A FEW OF ITS HIGHEST COMPENSATED EMPLOYEES, PROVIDE SERVICES TO MORE THAN ONE CITY OF HOPE ENTITY, AND MANY OF THEM PROVIDE SERVICES TO ALL OF THE ENTITIES. FOR A NUMBER OF THESE CONCURRENTLY EMPLOYED INDIVIDUALS, THE ENTITIES HAVE DESIGNATED THE MEDICAL CENTER AS A "COMMON PAYMASTER" DEFINED IN SECTION 3121(S) OF THE INTERNAL REVENUE CODE. CITY OF HOPE REPORTS THESE CONCURRENT EMPLOYEES' TIME EFFORT AND COMPENSATION ON THE INFORMATION RETURNS OF CITY OF HOPE ENTITIES BASED ON THE INDIVIDUAL'S ESTIMATE OF THEIR TIME SPENT IN AND FOR EACH ENTITY. AS "COMMON PAYMASTER", THE MEDICAL CENTER ISSUES EACH OF THESE EMPLOYEES A SINGLE COMBINED PAYCHECK AND ONE FORM W-2.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, LINE 2 FAMILY/BUSINESS RELATIONSHIPS AMONGST INTERESTED PERSONS</FormAndLineReferenceDesc>
        <ExplanationTxt>RONALD SARGENT AND SUZANNE VAUTRINOT - BUSINESS RELATIONSHIP</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, LINE 6 CLASSES OF MEMBERS OR STOCKHOLDERS</FormAndLineReferenceDesc>
        <ExplanationTxt>CITY OF HOPE (FEIN: 95-3435919) IS THE SOLE CORPORATE MEMBER OF COH HOLDCO INC.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, LINE 7A MEMBERS OR STOCKHOLDERS ELECTING MEMBERS OF GOVERNING BODY</FormAndLineReferenceDesc>
        <ExplanationTxt>CITY OF HOPE, AS THE SOLE CORPORATE MEMBER OF COH HOLDCO INC., HAS THE POWER TO ELECT COH HOLDCO INC.'S BOARD OF DIRECTORS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, LINE 7B DECISIONS REQUIRING APPROVAL BY MEMBERS OR STOCKHOLDERS</FormAndLineReferenceDesc>
        <ExplanationTxt>THE FOLLOWING ACTIONS MAY NOT BE UNDERTAKEN WITHOUT THE PRIOR CONSENT OR APPROVAL OF THE SOLE CORPORATE MEMBER, CITY OF HOPE, AS SPECIFIED IN THE GOVERNING DOCUMENTS OF COH HOLDCO INC.: AMENDMENTS OR ALTERATIONS TO COH HOLDCO INC.'S BYLAWS; AMENDMENT OR RESTATEMENT OF COH HOLDCO INC.'S CERTIFICATE OF INCORPORATION; ELECTION AND REMOVAL OF MEMBERS OF COH HOLDCO INC.'S GOVERNING BODY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, LINE 8B DOCUMENTATION OF MEETINGS HELD BY COMMITTEES OF GOVERNING BODY</FormAndLineReferenceDesc>
        <ExplanationTxt>THERE ARE NO COMMITTEES WITH THE AUTHORITY TO ACT ON BEHALF OF THE GOVERNING BODY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, LINE 11B REVIEW OF FORM 990 BY GOVERNING BODY</FormAndLineReferenceDesc>
        <ExplanationTxt>A COPY OF THE ORGANIZATION'S FORM 990 IS REVIEWED BY THE RISK, AUDIT AND COMPLIANCE COMMITTEE OF THE BOARD OF DIRECTORS OF CITY OF HOPE, WHICH ASSISTS THE BOARD IN FULFILLING ITS RESPONSIBILITIES REGARDING FINANCIAL, ACCOUNTING, AND CORPORATE COMPLIANCE MATTERS OF COH HOLDCO INC. THE FORM 990 INFORMATION IS COMPILED BY THE TAX TEAM AND PROVIDED TO EY, AN EXTERNAL ACCOUNTING FIRM, FOR THE PREPARATION OF FORM 990, WHICH IS REVIEWED THOROUGHLY WITH INTERNAL LEADERSHIP AND EXTERNAL PARTICIPANTS, INCLUDING EY. PRIOR TO FILING, THE FORM 990 IS MADE AVAILABLE TO VOTING MEMBERS OF THE CITY OF HOPE BOARD OF DIRECTORS FOR THEIR REVIEW.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, LINE 12C CONFLICT OF INTEREST POLICY</FormAndLineReferenceDesc>
        <ExplanationTxt>ALL EMPLOYEES OF CITY OF HOPE AND AFFILIATES, BOARD OF DIRECTORS MEMBERS, BOARD COMMITTEE MEMBERS AND RESEARCH TEAM MEMBERS ARE COVERED BY CITY OF HOPE'S APPLICABLE CONFLICT OF INTEREST POLICIES. DETERMINATIONS AS TO WHETHER A CONFLICT OF INTEREST EXISTS AND REVIEW OF CONFLICT DISCLOSURES ARE MADE BY CITY OF HOPE'S GENERAL COUNSEL AND CHIEF ETHICS AND COMPLIANCE OFFICER AND, AS APPLICABLE, THE CHAIR OF THE BOARD OR THE CONFLICT OF INTEREST AND COMMITMENT COMMITTEE, BASED UPON THE CLASSIFICATION OF PERSON MAKING THE DISCLOSURE. RESTRICTIONS IMPOSED ON PERSONS WITH A CONFLICT VARY, BASED UPON THE FACTS, AND MAY INCLUDE: PROHIBITION FROM PARTICIPATING IN A GOVERNING BODY'S DELIBERATIONS AND VOTING ON A GIVEN TRANSACTION OR SET OF TRANSACTIONS; RECUSAL FROM THE DECISION-MAKING PROCESS RELATING TO BUSINESS TRANSACTIONS (E.G., PURCHASING DECISIONS); PROHIBITION FROM PARTICIPATING AS A PRINCIPAL INVESTIGATOR IN RESEARCH; AND DISCLOSURE OF FINANCIAL INTEREST IN RESEARCH STUDY INFORMED CONSENT FORMS AND PUBLICATIONS. AS PART OF A CONFLICT MANAGEMENT PLAN, MONITORING TRANSACTIONS FOR CONFLICTS OF INTEREST IS DONE THROUGH REQUIRED DISCLOSURES AND UPDATES BY PERSONS COVERED BY THE ORGANIZATION'S CONFLICT OF INTEREST POLICIES AND A CONCURRENT REVIEW OF SUCH DISCLOSURES AGAINST TRANSACTIONS. CITY OF HOPE'S POLICY PROVIDES FOR DISCIPLINARY ACTION AGAINST PERSONS COVERED BY THE CONFLICT OF INTEREST POLICIES WHO DO NOT COMPLY WITH POLICY REQUIREMENTS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, LINE 15A PROCESS TO ESTABLISH COMPENSATION OF TOP MANAGEMENT OFFICIAL</FormAndLineReferenceDesc>
        <ExplanationTxt>THE EXECUTIVE COMPENSATION AND GOVERNANCE COMMITTEE OF THE CITY OF HOPE BOARD OF DIRECTORS ("COMMITTEE"), PURSUANT TO A DELEGATION OF AUTHORITY FROM THE CITY OF HOPE BOARD OF DIRECTORS AND THE COH HOLDCO INC. BOARD OF DIRECTORS, IS RESPONSIBLE FOR SETTING THE COMPENSATION OF THE TOP MANAGEMENT OFFICIAL. THE DIRECTORS ON THIS COMMITTEE ARE INDEPENDENT AND ADHERE TO A STRICT CONFLICT OF INTEREST POLICY. DELIBERATION AND DECISION MAKING ARE SUBSTANTIATED IN THE MINUTES OF THE COMMITTEE'S MEETINGS. THE MINUTES ARE REVIEWED AND APPROVED AT THE NEXT MEETING OF THE COMMITTEE. AS PART OF THE DELIBERATION PROCESS, THE COMMITTEE RECEIVES ADVICE FROM AN INDEPENDENT, THIRD-PARTY COMPENSATION CONSULTANT WITH RESPECT TO EXECUTIVE COMPENSATION, INCLUDING REVIEW OF COMPARABLE AND BENCHMARK DATA, CURRENT COMPENSATION PHILOSOPHY, STRUCTURE, AND ADMINISTRATION OF THE EXECUTIVE COMPENSATION PROGRAMS AT CITY OF HOPE AND AFFILIATES. THE COMMITTEE CARRIES OUT THE BOARD OF DIRECTORS' OVERALL RESPONSIBILITIES RELATING TO EXECUTIVE COMPENSATION. THE EXECUTIVE COMPENSATION PHILOSOPHY IS DESIGNED TO ASSIST IN ATTRACTING AND RETAINING THE CALIBER OF EXECUTIVE LEADERSHIP REQUIRED TO ENABLE CITY OF HOPE TO ACHIEVE THE HIGHEST LEVELS OF COMMUNITY BENEFIT, IMPACT TO CLINICAL CARE, QUALITY RESEARCH AND EFFICIENT PHILANTHROPIC DEVELOPMENT. UNDER THE AIP AND LTI DESCRIBED IN SCHEDULE J, A SUBSTANTIAL PORTION OF EXECUTIVE COMPENSATION IS LINKED DIRECTLY TO PERFORMANCE GOALS APPROVED IN ADVANCE. AS A RESULT, PERFORMANCE COMPENSATION MAY VARY FROM YEAR TO YEAR. GOAL SETTING UNDER THE AIP IS TIED TO ANNUAL PERFORMANCE, INCLUDING THE ATTAINMENT OF SPECIFIC BUSINESS OBJECTIVES FOR STRATEGIC AND FINANCIAL PERFORMANCE AS WELL AS NON-FINANCIAL MEASURES SUCH AS PATIENT SATISFACTION AND QUALITY OF PATIENT CARE. THE LTI IS DESIGNED TO DRIVE LONG-TERM ORGANIZATIONAL PERFORMANCE AND TRANSFORMATION BY ALIGNING EXECUTIVES WITH THE MULTI YEAR STRATEGIC PLAN AND INCENTIVIZING THEM TO ACHIEVE KEY ORGANIZATIONAL AND STRATEGIC OBJECTIVES AND GOALS. WITH THREE-YEAR VESTING PERIODS, THE LTI ALSO PROVIDES A MEANS FOR RETAINING KEY EXECUTIVE TALENT. THE COMMITTEE CONDUCTS ANNUAL COMPENSATION REVIEWS FOR THE TOP MANAGEMENT OFFICIAL IN DECEMBER.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, LINE 15B PROCESS TO ESTABLISH COMPENSATION OF OTHER EMPLOYEES</FormAndLineReferenceDesc>
        <ExplanationTxt>THE EXECUTIVE COMPENSATION AND GOVERNANCE COMMITTEE OF THE CITY OF HOPE BOARD OF DIRECTORS ("COMMITTEE") PURSUANT TO A DELEGATION OF AUTHORITY FROM THE CITY OF HOPE BOARD OF DIRECTORS AND THE COH HOLDCO INC. BOARD OF DIRECTORS, IS RESPONSIBLE FOR SETTING THE COMPENSATION OF, OR ESTABLISHING COMPENSATION LEVELS FOR TOTAL COMPENSATION CONSISTENT WITH CITY OF HOPE'S COMPENSATION PHILOSOPHY, FOR SENIOR LEADERS AT THE SENIOR VICE PRESIDENT OR EQUIVALENT LEVEL. THE DIRECTORS ON THIS COMMITTEE ARE INDEPENDENT AND ADHERE TO A STRICT CONFLICT OF INTEREST POLICY. DELIBERATION AND DECISION MAKING ARE SUBSTANTIATED IN THE MINUTES OF THE COMMITTEE'S MEETINGS. THE MINUTES ARE REVIEWED AND APPROVED AT THE NEXT MEETING OF THE COMMITTEE. AS PART OF THE DELIBERATION PROCESS, THE COMMITTEE RECEIVES ADVICE FROM AN INDEPENDENT, THIRD-PARTY COMPENSATION CONSULTANT WITH RESPECT TO EXECUTIVE COMPENSATION, INCLUDING REVIEW OF COMPARABLE AND BENCHMARK DATA, CURRENT COMPENSATION PHILOSOPHY, STRUCTURE, AND ADMINISTRATION OF THE EXECUTIVE COMPENSATION PROGRAMS AT CITY OF HOPE AND AFFILIATES. THE COMMITTEE CARRIES OUT THE BOARD OF DIRECTORS' OVERALL RESPONSIBILITIES RELATING TO EXECUTIVE COMPENSATION. THE EXECUTIVE COMPENSATION PHILOSOPHY IS DESIGNED TO ASSIST IN ATTRACTING AND RETAINING THE CALIBER OF EXECUTIVE LEADERSHIP REQUIRED TO ENABLE CITY OF HOPE TO ACHIEVE THE HIGHEST LEVELS OF COMMUNITY BENEFIT, IMPACT TO CLINICAL CARE, QUALITY RESEARCH AND EFFICIENT PHILANTHROPIC DEVELOPMENT. UNDER THE AIP AND LTI DESCRIBED IN SCHEDULE J, A SUBSTANTIAL PORTION OF EXECUTIVE COMPENSATION IS LINKED DIRECTLY TO PERFORMANCE GOALS APPROVED IN ADVANCE. AS A RESULT, PERFORMANCE COMPENSATION MAY VARY FROM YEAR TO YEAR. GOAL SETTING UNDER THE AIP IS TIED TO ANNUAL PERFORMANCE, INCLUDING THE ATTAINMENT OF SPECIFIC BUSINESS OBJECTIVES FOR STRATEGIC AND FINANCIAL PERFORMANCE AS WELL AS NON-FINANCIAL MEASURES SUCH AS PATIENT SATISFACTION AND QUALITY OF PATIENT CARE. THE LTI IS DESIGNED TO DRIVE LONG-TERM ORGANIZATIONAL PERFORMANCE AND TRANSFORMATION BY ALIGNING EXECUTIVES WITH THE MULTI YEAR STRATEGIC PLAN AND INCENTIVIZING THEM TO ACHIEVE KEY ORGANIZATIONAL AND STRATEGIC OBJECTIVES AND GOALS. WITH THREE-YEAR VESTING PERIODS, THE LTI ALSO PROVIDES A MEANS FOR RETAINING KEY EXECUTIVE TALENT. THE COMMITTEE CONDUCTS ANNUAL COMPENSATION REVIEWS IN DECEMBER TO SET COMPENSATION LEVELS, OR WHERE THE PROPOSED COMPENSATION EXCEEDS COMPENSATION LEVELS ESTABLISHED BY THE COMMITTEE, COMPENSATION FOR SENIOR LEADERS AT THE SENIOR VICE PRESIDENT OR EQUIVALENT LEVEL.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, LINE 19 REQUIRED DOCUMENTS AVAILABLE TO THE PUBLIC</FormAndLineReferenceDesc>
        <ExplanationTxt>COH HOLDCO INC.'S ARTICLES OF INCORPORATION AND BYLAWS ARE NOT MADE AVAILABLE TO THE PUBLIC. COH HOLDCO INC. IS INCLUDED IN CITY OF HOPE'S CONSOLIDATED AUDITED FINANCIAL STATEMENTS, WHICH ARE AVAILABLE ON THE CITY OF HOPE WEBSITE, AND ITS CONFLICT OF INTEREST POLICIES ARE AVAILABLE BY WRITTEN REQUEST MADE TO THE CONFLICT OF INTEREST MANAGER.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VII, SECTION A AVERAGE HOURS DEVOTED</FormAndLineReferenceDesc>
        <ExplanationTxt>FULL TIME EXEMPT EMPLOYEES GENERALLY WORK IN EXCESS OF 40 HOURS PER WEEK, WHICH HAS BEEN REFLECTED IN PART VII BY AN ESTIMATE OF 60 HOURS HER WEEK. THE MEMBERS OF THE BOARD OF DIRECTORS ARE NOT COMPENSATED FOR SERVING ON THE BOARD. THE AVERAGE HOURS REPORTED FOR EACH DIRECTOR IS AN ESTIMATE OF THE TIME SPENT PREPARING FOR AND ATTENDING MEETINGS OF THE BOARD OF DIRECTORS. THE BOARD OF DIRECTORS OF COH HOLDCO INC. HELD FOUR REGULARLY SCHEDULED MEETINGS DURING FISCAL YEAR 2025. THE RISK, AUDIT AND COMPLIANCE COMMITTEE HELD FIVE REGULARLY SCHEDULED MEETINGS IN FISCAL YEAR 2025.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9 OTHER CHANGES IN NET ASSETS OR FUND BALANCES</FormAndLineReferenceDesc>
        <ExplanationTxt>IMPAIRMENT LOSS - -23115; TOTAL - -23115;</ExplanationTxt>
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      <LoansOrGuaranteesFromOthOrgInd>false</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>false</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>false</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>false</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>false</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>false</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>false</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>false</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>false</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>false</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>false</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>false</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>false</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>true</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>true</TransferFromOtherOrgInd>
    </IRS990ScheduleR>
  </ReturnData>
</Return>