Orion Engineered Carbons(OEC) - 2025 Q1 - Quarterly Results

ORION S.A. CONTACT: Christopher Kapsch Vice President of Investor Relations +1 281-318-4413 christopher.kapsch@orioncarbons.com Exhibit 99.1 Orion S.A. Reports First Quarter 2025 Financial Results HOUSTON—May 7, 2025—Orion S.A. (NYSE: OEC), a specialty chemical company, today announced financial results for the period ended March 31, 2025 as follows: First Quarter 2025 Highlights The reconciliations of Non-U.S. GAAP ("GAAP") measures to the respective most comparable GAAP measures are provided in the sectio ...