Orion Engineered Carbons(OEC) - 2025 Q2 - 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 Second Quarter 2025 Financial Results HOUSTON—August 6, 2025—Orion S.A. (NYSE: OEC), a specialty chemical company, today announced financial results for the period ended June 30, 2025 as follows: - 1 - • Net sales of $466.4 million, down $10.6 million year over year • Net income of $9.0 million, down $11.5 million year over year • Diluted EPS of $0.1 ...