EXHIBIT 99.1 November 6, 2026 Atmus Filtration Technologies Reports Third Quarter 2026 Results NASHVILLE, Tenn. – Atmus Filtration Technologies Inc. (Atmus; NYSE: ATMU), a global leader in filtration and media solutions, today reported financial results for its third quarter that ended September 30, 2026. Third Quarter Highlights During the third quarter, Atmus repurchased $20 million of common stock under the $150 million share repurchase program authorized by the Board of Directors in July 2024. On Novemb ...