OEC · Orion S.A.

Orion S.A. (NYSE: OEC), a global specialty chemicals company, today announced that its Board of Directors has declared an interim dividend to be paid in the second quarter of 2026 of $0.0207 per common share of the company, which is equivalent to the aggregate amount of approximately $1.2 million based on the number of common shares currently outstanding. The interim dividend will be paid on April 2, 2026, to holders of record as of the close of business in New York, NY, United States of America, on March 12, 2026. Luxembourg withholding tax at a rate of 15% will be deducted from each interim dividend, subject to exemptions and reductions in certain circumstances. About Orion S.A. Orion S.A. (NYSE: OEC) is a leading global supplier of carbon black, a solid form of carbon produced as powder or pellets. The material is made to customers’ exacting specifications for tires, coatings, ink, batteries, plastics and numerous other specialty, high-performance applications. Carbon black is used

Orion S.A. (NYSE: OEC), a specialty chemical company, today reported full year 2025 Net sales of $1.8 billion in 2025, a 4% decrease from the prior year, consisting of a 7% decline in price, including the pass-through effect of lower oil prices, offset by a 2% increase in volume and favorable foreign currency translation. Historically high levels of lower-tier tire imports into the Western Hemisphere and persistently soft demand in key industrial end-markets including transportation and polymers pressured our results, particularly in the second half of 2025. In response, Orion has focused on mitigating actions, including cost rationalization, inventory reduction and other optimization efforts. The company generated a consolidated Net loss of $70 million, including the non-cash goodwill impairment charge of $81 million recognized in the third quarter, and Adjusted EBITDA of $248 million. We delivered operating cash flow of $216 million and free cash flow of $55 million for 2025. Orion

Orion S.A. (NYSE: OEC), a global specialty chemicals company, today announced participation in upcoming investor conferences. Orion will attend the: New York Stock Exchange (NYSE) Investor Access Day Series (Virtual) – Materials Sector on Thursday, March 5. Loop Capital Markets’ 7 th Annual Investor Conference (Virtual) on Monday, March 9. Participating in both the NYSE and Loop Capital events will be CEO Corning Painter, Chief Financial Officer Jon Puckett and Vice President of Investor Relations Chris Kapsch. About Orion S.A. Orion S.A. (NYSE: OEC) is a leading global supplier of carbon black, a solid form of carbon produced as powder or pellets. The material is made to customers’ exacting specifications for tires, coatings, ink, batteries, plastics and numerous other specialty, high-performance applications. Carbon black is used to tint, colorize, provide reinforcement, conduct electricity, increase durability and add UV protection. Orion has four innovation centers and produces

Orion S.A. (NYSE: OEC), a global specialty chemicals producer, achieved a safety record for employees in 2025 that was nine times better than the average for the chemical manufacturing industry, the company said today. With only three employee injuries at its plants worldwide, Orion finished the year with a Total Recordable Incidence Rate (TRIR) of 0.18 per 200,000 exposure hours, the second-best year in the company’s history. The carbon black producer’s safest year was 2017 when it recorded a TRIR of 0.17. “It’s a widely held view in industry that a strong safety record reflects strong operating discipline,” Orion CEO Corning Painter said. “We reached a new level in 2025 on the safety front, and our commitment is to keep building on the success. This is just one area where we are seeing sustained benefit from ongoing manufacturing excellence initiatives.” The TRIR safety score counts all work-related injuries, such as those needing medical treatment. It adjusts for company size by

Orion S.A. (NYSE: OEC), a specialty chemical company, today announced that it will release its fourth quarter 2025 results before the market opens on Tuesday, Feb. 17, 2026, to be followed by a conference call at 8:30 a.m. (ET) the same day. The dial-in details for the live conference call are as follow: U.S. Toll Free: 1-877-407-4018 International: 1-201-689-8471 A conference call replay may be accessed at the following numbers through Tuesday, March 3, 2026: U.S. Toll Free: 1-844-512-2921 International: 1-412-317-6671 Conference ID: 13757255 Additionally, a live and archived webcast of the conference call will be available in the investor relations section of the company's website at orioncarbons.com . About Orion S.A. Orion S.A. (NYSE: OEC) is a leading global supplier of carbon black, a solid form of carbon produced as powder or pellets. The material is made to customers’ exacting specifications for tires, coatings, ink, batteries, plastics and numerous other specialty,