EXHIBIT 99.1 May 3, 2024 Atmus Filtration Technologies Reports First Quarter 2024 Results NASHVILLE, Tenn. – Atmus Filtration Technologies Inc. (Atmus; NYSE: ATMU), a global leader in filtration and media solutions, today reported financial results for its first quarter that ended March 31, 2024. First Quarter Highlights • Net sales of $427 million • GAAP net income of $46 million • Diluted earnings per share of $0.54 • Adjusted earnings per share of $0.60 • Adjusted EBITDA of $80 million and adjusted EBITD ...