Sec Form 3 Filing - H&F Corporate Investors VIII, Ltd. @ MultiPlan Corp - 2020-10-08

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 H&F Corporate Investors VIII, Ltd. 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) 415 MISSION STREET, SUITE 5700 3. Date of Earliest Transaction (MM/DD/YY) 10/08/2020 (Street) SAN FRANCISCO, CA94105 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 112,593,413 I See Footnotes ( 1 ) ( 7 ) Class A common stock 50,532,114 I See Footnotes ( 2 ) ( 7 ) Class A common stock 9,549,505 I See Footnotes ( 3 ) ( 7 ) Class A common stock 2,953,631 I See Footnotes ( 4 ) ( 7 ) Class A common stock 496,709 I See Footnotes ( 5 ) ( 7 ) Class A common stock 37,677,074 I See Footnotes ( 6 ) ( 7 )

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 H&F Corporate Investors VIII, Ltd. 415 MISSION STREET, SUITE 5700 SAN FRANCISCO, CA94105 X Hellman & Friedman Investors VIII, L.P. 415 MISSION STREET, SUITE 5700 SAN FRANCISCO, CA94105 X Hellman & Friedman Capital Partners VIII, L.P. 415 MISSION STREET, SUITE 5700 SAN FRANCISCO, CA94105 X Hellman & Friedman Capital Partners VIII (Parallel), L.P. 415 MISSION STREET, SUITE 5700 SAN FRANCISCO, CA94105 X HFCP VIII (Parallel - A), L.P. 415 MISSION STREET, SUITE 5700 SAN FRANCISCO, CA94105 X H&F Executives VIII, L.P. 415 MISSION STREET, SUITE 5700 SAN FRANCISCO, CA94105 X H&F Associates VIII, L.P. 415 MISSION STREET, SUITE 5700 SAN FRANCISCO, CA94105 X H&F Polaris Partners, L.P. 415 MISSION STREET, SUITE 5700 SAN FRANCISCO, CA94105 X H&F Polaris Partners GP, LLC 415 MISSION STREET, SUITE 5700 SAN FRANCISCO, CA94105 X Signatures H&F CORPORATE INVESTORS VIII, LTD. By: /s/ P. Hunter Philbrick Name: P. Hunter Philbrick Title: Vice President 10/13/2020 Signature of Reporting Person Date HELLMAN & FRIEDMAN INVESTORS VIII, L.P. By: H&F Corporate Investors VIII, Ltd., as general partner By: /s/ P. Hunter Philbrick Name: P. Hunter Philbrick Title: Vice President 10/13/2020 Signature of Reporting Person Date HELLMAN & FRIEDMAN CAPITAL PARTNERS VIII, L.P. By: Hellman & Friedman Investors VIII, L.P., as general partner By: H&F Corporate Investors VIII, Ltd., as general partner By: /s/ P. Hunter Philbrick Name: P. Hunter Philbrick Title: Vice President 10/13/2020 Signature of Reporting Person Date HELLMAN & FRIEDMAN CAPITAL PARTNERS VIII (PARALLEL), L.P. By: Hellman & Friedman Investors VIII, L.P., as general partner By: H&F Corporate Investors VIII, Ltd., general partner By: /s/ P. Hunter Philbrick Name: P. Hunter Philbrick Title: Vice President 10/13/2020 Signature of Reporting Person Date HFCP VIII (PARALLEL-A), L.P. By: Hellman & Friedman Investors VIII, L.P., as general partner By: H&F Corporate Investors VIII, Ltd., as general partner By: /s/ P. Hunter Philbrick Name: P. Hunter Philbrick Title: Vice President 10/13/2020 Signature of Reporting Person Date H&F EXECUTIVES VIII, L.P. By: Hellman & Friedman Investors VIII, L.P., as general partner By: H&F Corporate Investors VIII, Ltd., as general partner By: /s/ P. Hunter Philbrick Name: P. Hunter Philbrick Title: Vice President 10/13/2020 Signature of Reporting Person Date H&F ASSOCIATES VIII, L.P. By: Hellman & Friedman Investors VIII, L.P., as general partner By: H&F Corporate Investors VIII, Ltd., as general partner By: /s/ P. Hunter Philbrick Name: P. Hunter Philbrick Title: Vice President 10/13/2020 Signature of Reporting Person Date H&F POLARIS PARTNERS, L.P. By: H&F Polaris Partners GP, LLC, its GP, Hellman & Friedman Capital Partners VIII, L.P., its MM, Hellman & Friedman Investors VIII, L.P., its GP, H&F Corporate Investors VIII, Ltd., as GP By: /s/ P. Hunter Philbrick Title: VP 10/13/2020 Signature of Reporting Person Date H&F POLARIS PARTNERS GP, LLC By: Hellman & Friedman Capital Partners VIII, L.P., its managing member, By: Hellman & Friedman Investors VIII, L.P., its GP By: H&F Corporate Investors VIII, Ltd., its GP By: /s/ P. Hunter Philbrick Title: Vice President 10/13/2020 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Reflects securities directly held by Hellman & Friedman Capital Partners VIII, L.P. ("HFCP VIII"). ( 2 )Reflects securities directly held by Hellman & Friedman Capital Partners VIII (Parallel), L.P. ("HFCP VIII Parallel"). ( 3 )Reflects securities directly held by HFCP VIII (Parallel-A), L.P. ("HFCP VIII Parallel-A"). ( 4 )Reflects securities directly held by H&F Executives VIII, L.P. ("H&F VII I Executives"). ( 5 )Reflects securities directly held by H&F Associates VIII, L.P. ("H&F VIII Associates", and together with HFCP VIII, HFCP VIII Parallel, HFCP VIII Parallel-A and H&F VIII Executives, the "H&F VIII Funds"). ( 6 )Reflects securities directly held by H&F Polaris Partners, L.P. ("Polaris Partners"), the general partner of which is H&F Polaris Partners GP, LLC, the managing member of which is HFCP VIII. ( 7 )Hellman & Friedman Investors VIII, L.P. ("H&F Investors VIII") is the general partner of each of the H&F VIII Funds. H&F Corporate Investors VIII, Ltd. ("H&F VIII") is the general partner of H&F Investors VIII. A three member board of directors of H&F VIII has investment discretion over the shares held by the H&F VIII Funds and Polaris Partners. Allen R. Thorpe, a member of the board of directors of MultiPlan Corporation is a member of the board of directors of H&F VIII.

Remarks: The Reporting Persons state that this filing shall not be an admission that the Reporting Persons are the beneficial owners of any of the securities reported herein, and each Reporting Person disclaims beneficial ownership of such securities except to the extent of such Reporting Person's pecuniary interest therein.

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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