Whitmore Manufacturing Acquires Hydrotex – Expanding its Performance Lubrication Products Portfolio

Rockwall, Texas, November 5, 2025 – Whitmore Manufacturing, LLC, a wholly owned subsidiary of CSW Industrials, Inc. (NYSE: CSW) and a distinguished pioneer in developing solutions that enhance the reliability, efficiency, and longevity of industrial assets, is proud to announce the acquisition of Hydrotex Partners Ltd.

Hydrotex, combined with Whitmore Manufacturing’s trusted brands – Whitmore, Jet-Lube, OilSafe, Deacon, and Air Sentry – offers a complete line of lubrication and reliability solutions for industrial markets. Driven by a strong commitment to high-quality lubrication, Hydrotex broadens Whitmore Manufacturing’s product offering across additional end markets, including industrial, manufacturing, agriculture, food processing, transportation, fleets, power generation, and utilities. Its high-performance lubricants are designed to enhance operational efficiency, reduce equipment wear, and extend service life – enabling safer, smoother, and more efficient operations.

"We happily welcome Hydrotex, its employees, its channel partners and its industry-leading products to Whitmore Manufacturing. We are very pleased to broaden our offering and end markets served, continuing in our effort to enhance our customers’ efficiency and reliability," emphasized Mark Bass, President, Whitmore Manufacturing.

To learn more about the Hydrotex Product Line, please visit www.hydrotexlube.com.

ABOUT WHITMORE MANUFACTURING, LLC.

Established in 1893, Whitmore Manufacturing is an established leader in providing innovative products and services that increase the reliability, performance, and lifespan of industrial assets. Brands include Whitmore, Jet-Lube, Deacon, OilSafe, and Air Sentry. Whitmore Manufacturing manufactures reliable and high-performance products that meet the specific needs of each industry and application. Industrial customers worldwide rely on Whitmore Manufacturing to deliver the performance engineered solutions industry counts in moderate to extreme conditions and demanding environments. For more information, please visit whitmores.com.

ABOUT CSW INDUSTRIALS, INC.

CSW Industrials is a diversified industrial growth company with industry-leading operations in three segments: Contractor Solutions, Specialized Reliability Solutions, and Engineered Building Solutions. CSW provides niche, value-added products with two essential commonalities: performance and reliability. The primary end markets we serve with our well-known brands include HVAC/R, plumbing, electrical, general industrial, architecturally-specified building products, energy, mining, and rail. For more information, please visit cswindustrials.com.