Sec Form 3 Filing - ARES MANAGEMENT LLC @ MultiPlan Corp - 2025-02-05

FORM 3 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person ARES MANAGEMENT LLC 2. Issuer Name and Ticker or Trading Symbol MultiPlan Corp [ MPLN] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O ARES MANAGEMENT LLC, 1800 AVENUE OF THE STARS, SUITE 1400 3. Date of Earliest Transaction (MM/DD/YY) 02/05/2025 (Street) LOS ANGELES, CA90067 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Class A Common Stock 1,863,105 I See Footnotes ( 1 ) ( 2 ) ( 3 )

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other ARES MANAGEMENT LLC C/O ARES MANAGEMENT LLC 1800 AVENUE OF THE STARS, SUITE 1400 LOS ANGELES, CA90067 X ASOF II Holdings I, L.P. C/O ARES MANAGEMENT LLC 1800 AVENUE OF THE STARS, SUITE 1400 LOS ANGELES, CA90067 X ASOF II A (DE) Holdings I, L.P. C/O ARES MANAGEMENT LLC 1800 AVENUE OF THE STARS, SUITE 1400 LOS ANGELES, CA90067 X ASOF Investment Management LLC C/O ARES MANAGEMENT LLC 1800 AVENUE OF THE STARS, SUITE 1400 LOS ANGELES, CA90067 X Ares Management Holdings L.P. C/O ARES MANAGEMENT LLC 1800 AVENUE OF THE STARS, SUITE 1400 LOS ANGELES, CA90067 X Ares Holdco LLC C/O ARES MANAGEMENT LLC 1800 AVENUE OF THE STARS, SUITE 1400 LOS ANGELES, CA90067 X Ares Management Corp C/O ARES MANAGEMENT LLC 1800 AVENUE OF THE STARS, SUITE 1400 LOS ANGELES, CA90067 X Ares Voting LLC C/O ARES MANAGEMENT LLC 1800 AVENUE OF THE STARS, SUITE 1400 LOS ANGELES, CA90067 X Ares Management GP LLC C/O ARES MANAGEMENT LLC 1800 AVENUE OF THE STARS, SUITE 1400 LOS ANGELES, CA90067 X Ares Partners Holdco LLC C/O ARES MANAGEMENT LLC 1800 AVENUE OF THE STARS, SUITE 1400 LOS ANGELES, CA90067 X Signatures Ares Management LLC, By: /s/ Anton Feingold, Authorized Signatory 02/07/2025 Signature of Reporting Person Date ASOF II Holdings I, L.P., By: ASOF Investment Management LLC, its manager, By: /s/ Evan Hoole, Authorized Signatory 02/07/2025 Signature of Reporting Person Date ASOF II A (DE) Holdings I, L.P., By: ASOF Investment Management LLC, its manager, By: /s/ Evan Hoole, Authorized Signatory 02/07/2025 Signature of Reporting Person Date ASOF Investment Management LLC, By: /s/ Evan Hoole, Authorized Signatory 02/07/2025 Signature of Reporting Person Date Ares Management Holdings L.P., By: Ares Holdco LLC, its general partner, By: /s/ Anton Feingold, Authorized Signatory 02/07/2025 Signature of Reporting Person Date Ares Holdco LLC, By: /s/ Anton Feingold, Authorized Signatory 02/07/2025 Signature of Reporting Person Date Ares Management Corporation, By: /s/ Anton Feingold, Authorized Signatory 02/07/2025 Signature of Reporting Person Date Ares Voting LLC, By: Ares Partners Holdco LLC, its sole member, By: /s/ Anton Feingold, Authorized Signatory 02/07/2025 Signature of Reporting Person Date Ares Management GP LLC, By: /s/ Anton Feingold, Authorized Signatory 02/07/2025 Signature of Reporting Person Date Ares Partners Holdco LLC, By: /s/ Anton Feingold, Authorized Signatory 02/07/2025 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The number of securities reported herein includes (i) 1,578,588 shares of Class A Common Stock held by ASOF II Holdings I, L.P. and (ii) 284,517 shares of Class A Common Stock held by ASOF II A (DE) Holdings I, L.P (together with ASOF II Holdings I, L.P, the "Ares Holders"). ( 2 )Ares Partners Holdco LLC ("Ares Partners") is the sole member of each of Ares Voting LLC and Ares Management GP LLC, which are respectively the holders of the Class B and Class C common stock of Ares Management Corporation ("Ares Management"), which common stock allows them, collectively, to generally have the majority of the votes on any matter submitted to the stockholders of Ares Management if certain conditions are met. Ares Management is the sole member of Ares Holdco LLC, which is the general partner of Ares Management Holdings L.P., which is the sole member of Ares Management LLC, which is the sole member of ASOF Investment Management LLC, which is the manager of each of the Ares Holders. Each of the foregoing entities may be deemed to share beneficial ownership of the securities reported herein, but each disclaims any such beneficial ownership of securities not held of record by them. ( 3 )Ares Partners is managed by a board of managers, which is composed of Michael J Arougheti, R. Kipp deVeer, David B. Kaplan, Antony P. Ressler and Bennett Rosenthal (collectively, the "Board Members"). Mr. Ressler generally has veto authority over the Board Members' decisions. Each of these individuals disclaims beneficial ownership of the securities that may be deemed to be beneficially owned by Ares Partners.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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