Orion S.A. (NYSE:OEC), a global specialty chemical company, today announced it will release its first quarter 2026 results after the market closes on Wednesday, May 6, 2026, to be followed by a conference call on Thursday, May 7, 2026, at 8:30 a.m. (ET).

The dial-in details for the live conference call are:
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 Thursday, May 21, 2026:
U.S. Toll Free:	1-844-512-2921
International:	1-412-317-6671
Conference ID:	13758999

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, 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 carbon black at 15 sites worldwide, offering the most diverse variety of production processes in the industry. The company's corporate lineage goes back more than 160 years to Germany, where it operates the world's longest-running carbon black plant. Orion is a leading innovator, applying a deep understanding of customers' needs to deliver sustainable solutions. For more information, please visit orioncarbons.com.

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Chris Kapsch

Orion S.A. - Vice President, Investor Relations

christopher.kapsch@orioncarbons.com

Direct: +1 281-318-4413

Mobile: +1 201-572-1018

William Foreman

Orion S.A. - Director of Corporate Communications and Government Affairs

william.foreman@orioncarbons.com

Direct: +1 832-445-3305

Mobile: +1 281-889-7833

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