SCHEDULE 13G 0001993581 XXXXXXXX LIVE Common shares of beneficial interest, par value $0.001 per share 12/17/2024 0002037804 New Mountain Private Credit Fund 000000000 1633 Broadway 48th Floor New York NY 10019 Rule 13d-1(c) Coller Credit Secondaries Investment Management Limited Y7 3441195.28 0 3441195.28 0 3441195.28 N 8.8 OO *Based on 38,972,295 shares of common stock outstanding as of December 17, 2024, as disclosed by the Issuer. Coller Investment Management (Luxembourg) S.a r.I. N4 1109999.98 0 1109999.98 0 1109999.98 N 2.8 OO *Based on 38,972,295 shares of common stock outstanding as of December 17, 2024, as disclosed by the Issuer. New Mountain Private Credit Fund 1633 Broadway, 48th Floor, New York, New York 10019 Coller Credit Secondaries Investment Management Limited Coller Investment Management (Luxembourg) S.a r.I. The address of the principal business office of Coller Credit Secondaries Investment Management Limited is: North Suite, First Floor, Regency Court Glategny Esplanade St. Peter Port, Guernsey GY1 1WW The address of the principal business office of Coller Investment Management (Luxembourg) S.a r.I. is: 37A Avenue John F. Kennedy L-1855 Luxembourg Coller Credit Secondaries Investment Management Limited: Guernsey; Coller Investment Management (Luxembourg) S.a r.I.: Luxembourg Y Coller Credit Secondaries - Opportunities Fund II - A, L.P. holds 50,415.88 shares, CCO II Blocker, L.P. holds 1,109,999.98 shares, CCO II Blocker - L, L.P. holds 179,811.53 shares, Coller Credit Partners 101 LP Incorporated holds 1,109,999.98 shares, CCO II Mag I SPV A Acquisition LP holds 182,270.93 shares, CCO II Mag I SPV B holds 178,696.98 shares and Coller Credit (Annex I 201) LP holds shares (collectively, the "CCSIML Funds"). Coller Credit Secondaries Investment Management Limited has voting and dipositive power over the securities held by the CCSIML Funds and may be deemed to beneficially own securities held by the CCSIML Funds. CIS-COF Investments 1 LP holds 1,109,999.98 shares. Coller Investment Management (Luxembourg) S.a r.I. has voting and dipositive 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 Credit Secondaries Investment Management Limited 8.8% Coller Investment Management (Luxembourg) S.a r.I. 2.8% Coller Credit Secondaries Investment Management Limited 3,441,195.28 Coller Investment Management (Luxembourg) S.a r.I. 1,109,999.98 Coller Credit Secondaries Investment Management Limited 0 Coller Investment Management (Luxembourg) S.a r.I. 0 Coller Credit Secondaries Investment Management Limited 3,441,195.28 Coller Investment Management (Luxembourg) S.a r.I. 1,109,999.98 Coller Credit Secondaries Investment Management Limited 0 Coller Investment Management (Luxembourg) S.a r.I. 0 Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11. Coller Credit Secondaries Investment Management Limited /s/ Tom Amy 12/26/2024 Coller Investment Management (Luxembourg) S.a r.I. /s/ Helen Lamb 12/26/2024