Sec Form 4 Filing - Lee Tony W @ Primo Brands Corp - 2025-03-12

FORM 4 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 Lee Tony W 2. Issuer Name and Ticker or Trading Symbol Primo Brands Corp [ PRMB] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O ONE ROCK CAPITAL PARTNERS, LLC, 45 ROCKEFELLER PLAZA, 39TH FLOOR 3. Date of Earliest Transaction (MM/DD/YY) 03/12/2025 (Street) NEW YORK, NY10111 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ 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 03/12/2025 S 51,750,000 D $ 29.5 166,868,368 I See Footnotes ( 1 ) ( 2 )

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 Lee Tony W C/O ONE ROCK CAPITAL PARTNERS, LLC 45 ROCKEFELLER PLAZA, 39TH FLOOR NEW YORK, NY10111 X X Signatures /s/ Tony W. Lee 03/12/2025 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Triton Water Parent Holdings, LP is the record holder of 108,868,368 shares of Class A Common Stock and Triton Water Equity Holdings, LP is the record holder of 58,000,000 shares of Class A Common Stock. ORCP III DE TopCo GP, LLC is the general partner of Triton Water Parent Holdings, LP. Triton Water Parent Holdings, LP is the managing member of Triton Water Equity Holdings, GP, LLC, which is the general partner of Triton Water Equity Holdings, LP. Mr. Spielvogel and Mr. Lee are the managing members of ORCP III DE TopCo GP, LLC and share voting and investment discretion with respect to the securities held of record by Triton Water Parent Holdings, LP and Triton Water Equity Holdings, LP. ( 2 )Each of the persons and entities named herein may be deemed to share beneficial ownership of the securities held of record by Triton Water Equity Holdings, LP. ORCP III DE TopCo GP, LLC, Triton Water Parent Holdings, LP, Mr. Spielvogel and Mr. Lee may also be deemed to share beneficial ownership of the securities held of record by Triton Water Parent Holdings, LP. Each of them disclaims any such beneficial ownership except to the extent of their pecuniary interest therein, if any.

Remarks: ORCP III DE TopCo GP, LLC, Triton Water Parent Holdings, LP, Scott Spielvogel, Triton Water Equity Holdings, LP and Triton Water Equity Holdings GP, LLC are filing a separate Form 4 with respect to the securities reported herein.

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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