Perimeter Solutions, Inc. — Director's Dealing 2025

Jul 1, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Perimeter Solutions, Inc. (PRM)
CIK: 0001880319
Period of Report: 2025-06-27

Reporting Person: WindAcre Partnership Master Fund, LP (10% Owner)
Reporting Person: WINDACRE PARTNERSHIP LLC (10% Owner)
Reporting Person: WindAcre General Partner LP (10% Owner)
Reporting Person: WAPGP LLC (10% Owner)
Reporting Person: Amin Snehal (10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-06-27	Ordinary shares	P	254600	$13.98	Acquired	21854600	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-06-27	Total Return Swap	$	S	254600	Disposed		Ordinary shares (254600)	Direct

Footnotes

F1: The WindAcre Partnership Master Fund, LP (the "Master Fund") previously entered into certain cash-settled total return swap agreements (the "Swap Agreements"), which represent economic exposure to an aggregate of 254,600 notional shares of PRM ordinary shares. The Swap Agreements provided the Master Fund with economic results that are comparable to the economic results of ownership but did not provide it with the power to vote or direct the voting or dispose of or direct the disposition of the securities that are referenced by the Swap Agreements (the "Subject Shares").

F2: The securities are owned directly by the Master Fund and may be deemed to be indirectly beneficially owned by (i) The WindAcre Partnership LLC, the investment adviser to the Master Fund, (ii) The WindAcre General Partner LP and The WAPGP LLC, the general partners of the Master Fund, and (iii) Snehal Amin, the managing member of The WindAcre Partnership LLC and The WAPGP LLC.