Perimeter Solutions, Inc.

Capital Allocation The Company repurchased 2.9 million shares of Common Stock at an average price of $11.13 per share during the quarter ended June 30, 2025.

SEC original ↗Perimeter Solutions, Inc. — Earnings release (8-K exhibit)EX-99Aug 7, 2025

GAAP, Perimeter is providing a summary to show the computations of Adjusted EBITDA, which is a non-GAAP measure used by the Company's management and by external users of Perimeter s financial statements, such as debt and equity investors, commercial banks and others, to assess the Company s operating performance as compared to that of other companies, without regard to financing methods, capital structure or historical cost basis.

SEC original ↗Perimeter Solutions, Inc. — Earnings release (8-K exhibit)EX-99Aug 7, 2025

GAAP, Perimeter is providing a summary to show the computations of Adjusted Net Income and Adjusted EPS, which are non-GAAP measures used by the Company's management and by external users of Perimeter s financial statements, such as debt and equity investors, commercial banks and others, to assess the Company's operating performance as compared to that of other companies, without regard to financing methods, capital structure or historical cost basis.

SEC original ↗Perimeter Solutions, Inc. — Earnings release (8-K exhibit)EX-99Aug 7, 2025

Long-Term Debt and Preferred Stock 15 7 .

SEC original ↗Perimeter Solutions, Inc. — 10-Q Quarterly report10-QJul 31, 2026

LONG-TERM DEBT AND PREFERRED STOCK Senior Notes Perimeter Holdings, LLC ( Perimeter Holdings ), an indirect wholly owned subsidiary of Perimeter Solutions, Inc.

SEC original ↗Perimeter Solutions, Inc. — 10-Q Quarterly report10-QJul 31, 2026

(the Company ) has $ 675.0 million principal amount of 5.00 % senior secured notes due October 30, 2029 (the 2029 Notes ).

SEC original ↗Perimeter Solutions, Inc. — 10-Q Quarterly report10-QJul 31, 2026

IMS has a flexible, vertically integrated production facility centered on its printed circuit board ( PCB ) line that allows it to acquire and produce a variety of product lines across a range of end markets, including large medical systems, communications infrastructure, energy infrastructure, defense systems, and industrial systems, with a substantial focus on aftermarket repair and replacement.

SEC original ↗Perimeter Solutions, Inc. — Earnings release (8-K exhibit)EX-99Aug 7, 2025

Forward-looking statements can be identified by words such as anticipate, intend, plan, goal, seek, believe, project, estimate, expect, strategy, future, likely, may, should, will, and similar references to future periods.

SEC original ↗Perimeter Solutions, Inc. — Earnings release (8-K exhibit)EX-99Aug 7, 2025

IMS has a flexible, vertically integrated production facility that allows it to acquire and produce a variety of product lines across a range of end markets, including communications infrastructure, energy infrastructure, defense systems, and industrial systems, with a substantial focus on aftermarket repair and replacement.

SEC original ↗Perimeter Solutions, Inc. — 10-Q Quarterly report10-QJul 31, 2026

16 Table of Contents The Amended and Restated Revolving Credit Facility is fully and unconditionally guaranteed by the Company and each of Perimeter Holdings existing and future domestic wholly-owned material restricted subsidiaries, subject to customary exceptions, and is secured by a first priority lien, subject to certain permitted liens, on substantially all of Perimeter Holdings and each of the guarantors existing and future property and assets, subject to customary exceptions.

SEC original ↗Perimeter Solutions, Inc. — 10-Q Quarterly report10-QJul 31, 2026

The Company considers the scheduled reversal of deferred tax liabilities (including the impact of available carryback and carryforward periods), projected future taxable income, and tax-planning strategies in making this 17 Table of Contents assessment.

SEC original ↗Perimeter Solutions, Inc. — 10-Q Quarterly report10-QJul 31, 2026

In May 2025, the Company settled its trade secret litigation with a subsidiary of Compass Minerals International, Inc.

SEC original ↗Perimeter Solutions, Inc. — Earnings release (8-K exhibit)EX-99Aug 7, 2025

Forward-looking statements involve risks and uncertainties that could cause actual results to differ materially from those in the forward-looking statements.

SEC original ↗Perimeter Solutions, Inc. — Earnings release (8-K exhibit)EX-99Aug 7, 2025

Any such forward-looking statements are not guarantees of performance or results, and involve risks, uncertainties (some of which are beyond the Company s control) and assumptions.

SEC original ↗Perimeter Solutions, Inc. — Earnings release (8-K exhibit)EX-99Aug 7, 2025

These forward-looking statements involve risks and uncertainties and reflect our current views with respect to, among other things, future events and our financial performance.

SEC original ↗Perimeter Solutions, Inc. — 10-Q Quarterly report10-QJul 31, 2026

Accordingly, we caution you that any such forward-looking statements are not guarantees of future performance and are subject to risks, assumptions, estimates and uncertainties that are difficult to predict.

SEC original ↗Perimeter Solutions, Inc. — 10-Q Quarterly report10-QJul 31, 2026

Given these uncertainties, you should not place undue reliance on these forward-looking statements.

SEC original ↗Perimeter Solutions, Inc. — 10-Q Quarterly report10-QJul 31, 2026