X0202 SCHEDULE 13G/A 0001214659-21-012991 0001599383 XXXXXXXX LIVE 3 Common Stock, par value $0.0001 per share 06/30/2026 0001880319 PERIMETER SOLUTIONS, INC. 71385M107 8000 Maryland Avenue Suite 350 Clayton MO 63105 Rule 13d-1(b) The WindAcre Partnership LLC DE 0.00 16148621.00 0.00 16148621.00 16148621.00 N 9.9 IA The Master Fund owns 16,148,621 Shares of Common Stock, consisting of 16,148,621 Shares of Common Stock directly held. By virtue of their relationships with the Master Fund discussed in further detail in Item 2, each of WindAcre and Mr. Amin may be deemed to beneficially own the Shares owned by the Master Fund.This Schedule 13G reports an aggregate of 16,148,621 Shares of Common Stock, consisting of 16,148,621 Shares of Common Stock directly held. The filing of this Schedule 13G shall not be construed as an admission that the Reporting Persons are, for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended, the beneficial owners of any of the Shares reported herein. Each of the Reporting Persons specifically disclaims beneficial ownership of the Shares reported herein that are not directly owned by such Reporting Person.The following ownership percentages are based on 163,127,063 Shares outstanding, which is comprised of 163,127,063 Shares of Common Stock outstanding as of May 1, 2026, as reported in the Issuer's Form 10-Q dated March 31, 2026.The 16,148,621 Shares owned by the Master Fund represent approximately 9.9% of the outstanding Shares. By virtue of its relationship with the Master Fund discussed in further detail in Item 2, WindAcre may be deemed to beneficially own 16,148,621 Shares, representing approximately 9.9% of the outstanding Shares and Mr. Amin may be deemed to beneficially own 16,148,621 Shares representing approximately 9.9% of the outstanding Shares.This schedule 13G reports an aggregate of 16,148,621 Shares, representing approximately 9.9% of the outstanding Shares. The WindAcre Partnership Master Fund, LP E9 0.00 16148621.00 0.00 16148621.00 16148621.00 N 9.9 PN The Master Fund owns 16,148,621 Shares of Common Stock, consisting of 16,148,621 Shares of Common Stock directly held. By virtue of their relationships with the Master Fund discussed in further detail in Item 2, each of WindAcre and Mr. Amin may be deemed to beneficially own the Shares owned by the Master Fund.This Schedule 13G reports an aggregate of 16,148,621 Shares of Common Stock, consisting of 16,148,621 Shares of Common Stock directly held. The filing of this Schedule 13G shall not be construed as an admission that the Reporting Persons are, for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended, the beneficial owners of any of the Shares reported herein. Each of the Reporting Persons specifically disclaims beneficial ownership of the Shares reported herein that are not directly owned by such Reporting Person.The following ownership percentages are based on 163,127,063 Shares outstanding, which is comprised of 163,127,063 Shares of Common Stock outstanding as of May 1, 2026, as reported in the Issuer's Form 10-Q dated March 31, 2026.The 16,148,621 Shares owned by the Master Fund represent approximately 9.9% of the outstanding Shares. By virtue of its relationship with the Master Fund discussed in further detail in Item 2, WindAcre may be deemed to beneficially own 16,148,621 Shares, representing approximately 9.9% of the outstanding Shares and Mr. Amin may be deemed to beneficially own 16,148,621 Shares representing approximately 9.9% of the outstanding Shares.This schedule 13G reports an aggregate of 16,148,621 Shares, representing approximately 9.9% of the outstanding Shares. Snehal Rajnikant Amin X1 0.00 16148621.00 0.00 16148621.00 16148621.00 N 9.9 IN The Master Fund owns 16,148,621 Shares of Common Stock, consisting of 16,148,621 Shares of Common Stock directly held. By virtue of their relationships with the Master Fund discussed in further detail in Item 2, each of WindAcre and Mr. Amin may be deemed to beneficially own the Shares owned by the Master Fund.This Schedule 13G reports an aggregate of 16,148,621 Shares of Common Stock, consisting of 16,148,621 Shares of Common Stock directly held. The filing of this Schedule 13G shall not be construed as an admission that the Reporting Persons are, for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended, the beneficial owners of any of the Shares reported herein. Each of the Reporting Persons specifically disclaims beneficial ownership of the Shares reported herein that are not directly owned by such Reporting Person.The following ownership percentages are based on 163,127,063 Shares outstanding, which is comprised of 163,127,063 Shares of Common Stock outstanding as of May 1, 2026, as reported in the Issuer's Form 10-Q dated March 31, 2026.The 16,148,621 Shares owned by the Master Fund represent approximately 9.9% of the outstanding Shares. By virtue of its relationship with the Master Fund discussed in further detail in Item 2, WindAcre may be deemed to beneficially own 16,148,621 Shares, representing approximately 9.9% of the outstanding Shares and Mr. Amin may be deemed to beneficially own 16,148,621 Shares representing approximately 9.9% of the outstanding Shares.This schedule 13G reports an aggregate of 16,148,621 Shares, representing approximately 9.9% of the outstanding Shares. PERIMETER SOLUTIONS, INC. 8000 Maryland Avenue, Suite 350, Clayton, MO, 63105 This statement is being jointly filed by: - The WindAcre Partnership LLC, a Delaware limited liability company, ("WindAcre") - The WindAcre Partnership Master Fund LP, an exempted limited partnership established in the Cayman Islands ("Master Fund") - Snehal Rajnikant Amin, as the principal beneficial owner of The WindAcre Partnership LLC and the only beneficial owner holding more than 5% ("Mr. Amin"). Each of the foregoing is referred to as a "Reporting Person" and collectively as the "Reporting Persons." WindAcre serves as the investment manager of the Master Fund. Mr. Amin is the managing member of WindAcre. By virtue of these relationships, each of WindAcre and Mr. Amin may be deemed to beneficially own the Issuer's Common Shares directly owned by the Master Fund. The principal business address of WindAcre is 2200 Post Oak Blvd., Suite 1580, Houston, Texas 77056.The principal business address of the Master Fund is Ogier Global (Cayman) Limited, 89 Nexus Way, Camana Bay, Grand Cayman KY1-9009, Cayman Islands. Mr. Amin is a citizen of the United States of America. WindAcre is a limited liability company formed under the laws of the State of Delaware. The Master Fund is an exempted company formed under the laws of the Cayman Islands N IA 16,148,621 9.9 0 16,148,621 0 16,148,621 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 acquired and are held in the ordinary course of business and 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. The WindAcre Partnership LLC /s/ Snehal Rajnikant Amin 08/14/2026 The WindAcre Partnership Master Fund, LP The WindAcre General Partner LP 08/14/2026 WAPGP LLC 08/14/2026 /s/ Snehal Rajnikant Amin 08/14/2026 Snehal Rajnikant Amin /s/ Snehal Rajnikant Amin 08/14/2026