Nashville, Tenn., Nov 25 — Atmus Filtration Technologies Inc. (“Atmus”; NYSE: ATMU), a global leader in filtration and media solutions, today announced that it has entered into a definitive agreement to acquire Koch Filter Corporation (“Koch Filter”), a manufacturer of essential air filtration solutions for growing end-markets, including industrial and commercial HVAC, data centers and power generation, from Air Distribution Technologies, Inc. (“ADTI”), a portfolio company of Truelink Capital, for $450 million in cash, subject to customary adjustments. Koch Filter generated $156 million in revenue in the 2025 fiscal year ended September 30, 2025.
The transaction is expected to be accretive to Atmus’ Adjusted EPS and Adjusted EBITDA margin in 2026 and achieve high-single-digit ROIC by 2028. The purchase price represents a 13.9x multiple based on Koch Filter’s Adjusted EBITDA* for the 2025 fiscal year ended September 30, 2025. When adjusted for the present value of expected tax benefits, the net transaction value is approximately $395 million, a 10.9x multiple after adjusting for tax benefits and cost synergies.
“The acquisition of Koch Filter will accelerate Atmus’ growth by expanding into the industrial air filtration market, including the growing industrial and commercial HVAC, data center and power generation end-markets,” said Steph Disher, Chief Executive Officer of Atmus. “The Koch Filter team brings to Atmus deep, established customer relationships, extensive industry experience and a leading portfolio of consumable mission-critical products. Combining these strengths with our global footprint and expertise in media design positions our company to unlock growth opportunities.”
Koch Filter’s comprehensive portfolio spans a wide range of filters, including HVAC, HEPA, carbon, and specialty filtration systems, all engineered to improve indoor air quality and optimize system performance. With a focus on reliability and customer service, Koch Filter provides products and expertise that help protect people, equipment and environments from airborne contaminants. Koch Filter, which was founded in 1966, is headquartered in Louisville, Kentucky and operates from sites across the U.S.
The transaction is expected to be funded through a combination of cash on hand and borrowings under Atmus’ credit facility, including through a potential upsize of that credit facility. It is expected to close in the first quarter of 2026, subject to the satisfaction or waiver of customary closing conditions.