Sec Form 3 Filing - COLLER CREDIT SECONDARIES INVESTMENT MANAGEMENT LTD @ New Mountain Private Credit Fund - 2024-12-17

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 COLLER CREDIT SECONDARIES INVESTMENT MANAGEMENT LTD 2. Issuer Name and Ticker or Trading Symbol New Mountain Private Credit Fund [ NONE] 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) NORTH SUITE, FIRST FLOOR,, REGENCY COURT GLATEGNY ESPLANADE 3. Date of Earliest Transaction (MM/DD/YY) 12/17/2024 (Street) ST. PETER PORT, Y7GY1 1WW 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 Common shares of beneficial interest 3,441,195.28 I See footnotes ( 1 ) ( 2 ) Common shares of beneficial interest 1,109,999.98 I See footnotes ( 3 ) ( 4 )

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 COLLER CREDIT SECONDARIES INVESTMENT MANAGEMENT LTD NORTH SUITE, FIRST FLOOR, REGENCY COURT GLATEGNY ESPLANADE ST. PETER PORT, Y7GY1 1WW X Coller Investment Management (Luxembourg) S.a r.I. 37A AVENUE JOHN F. KENNEDY LUXEMBOURG, N4L-1855 X Signatures Coller Credit Secondaries Investment Management Limited, Tom Amy, Director, /s/Tom Amy 12/27/2024 Signature of Reporting Person Date Coller Investment Management (Luxembourg) S.a r.I., Helen Lamb, Director, /s/Helen Lamb 12/27/2024 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Represents 50,415.88 shares held by Coller Credit Secondaries - Opportunities Fund II - A, L.P., 1,109,999.98 shares held by CCO II Blocker, L.P., 179,811.53 shares held by CCO II Blocker - L, L.P., 1,109,999.98 shares held by Coller Credit Partners 101 LP Incorporated, 182,270.93 shares held by CCO II Mag I SPV A Acquisition LP, 178,696.98 shares held by CCO II Mag I SPV B and 630,000 shares held by Coller Credit (Annex I 201) (collectively, the "CCSIML Funds"). ( 2 )Coller Credit Secondaries Investment Management Limited has voting and dispositive power over the securities held by the CCSIML Funds and may be deemed to beneficially own securities held by the CCSIML Funds. Coller Credit Secondaries Investment Management Limited disclaims beneficial ownership of the securities reported herein except to the extent of its pecuniary interest, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership for purposes of Section 16 or for any other purpose. ( 3 )Represents 1,109,999.98 shares held by CIS-COF Investments 1 LP. ( 4 )Coller Investment Management (Luxembourg) S.a r.I. has voting and dispositive power over the securities held by CIS-COF Investments 1 LP and may be deemed to beneficially own securities held by CIS-COF Investments 1 LP. Coller Investment Management (Luxembourg) S.a r.I. disclaims beneficial ownership of the securities reported herein except to the extent of its pecuniary interest, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership for purposes of Section 16 or for any other purpose.

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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