Ecovyst Inc. is an integrated global provider of advanced materials, specialty catalysts and services. The Company’s Ecoservices segment provides sulfuric acid recycling to the North American refining industry for the production of alkylate and provides virgin sulfuric acid for industrial and mining applications. It also provides chemical waste handling and treatment services, as well as ex-situ catalyst activation services for the refining and petrochemical industry. Its Advanced Materials & Catalysts segment provides finished silica catalysts, catalyst supports and functionalized silicas necessary to produce high performing plastics and to enable sustainable chemistry, through its Advanced Silicas business. This segment also includes Zeolyst Joint Venture, which supplies specialty zeolites used in catalysts that support the production of sustainable fuels, remove nitrogen oxides from diesel engine emissions, and that are broadly applied in refining and petrochemical processes.