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Perimeter Solutions(PRM) - 2025 Q3 - Quarterly Results

Exhibit 99.1 Perimeter Solutions Reports Third Quarter 2025 Financial Results Continued value driver execution drove third quarter Adjusted EBITDA of $186.3M Third quarter Loss Per Diluted Share of $0.62 and Adjusted Earnings Per Diluted Share of $0.82 IMS add-on product lines acquired Clayton, Missouri, October 30, 2025 – Perimeter Solutions, Inc. (NYSE: PRM) ("Perimeter," "Perimeter Solutions," or the "Company"), a leading global solutions provider for the Fire Safety and Specialty Products industries, to ...