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Elkem reports one fatality following explosion at Saint-Fons pilot workshop in France

24. December 2025 kl. 16:38

Oslo, Norway - 24 December 2025 - Elkem ASA reports that on the afternoon of 22 December 2025, an explosion occurred at a pilot workshop at the Elkem Silicones site in Saint-Fons, located in Lyon, France. One employee lost his life as a result of the accident, while three others were injured.

"On behalf of Elkem's management and all our colleagues, I wish to express our deepest sympathy to the family and loved ones of our colleague whose life was lost, to those who were injured, and to everyone affected by this tragic incident. We are committed to supporting our employees and their families in every way possible during this very difficult time," said Elkem CEO Helge Aasen.

Elkem's management is working closely with local authorities to coordinate the handling of the accident. Psychological support services are being provided to all employees affected. Elkem has temporarily shut down operations at both the North and South sites in Saint-Fons, 1.5 days ahead of the scheduled year-end closure.

An internal investigation by Elkem and external investigations by the local authorities in France have been initiated.

"We will thoroughly investigate what caused this tragedy and identify actions that can be taken to prevent it from ever happening again. Workplace and environmental safety are of paramount importance to Elkem," said Aasen.

For further information, please contact: Marianne Stigset, VP Corporate Communications & Public Affairs Email: marianne.stigset@elkem.com Tel: +47 411 88 482

Guillaume Artois, Elkem Silicones Atlantic External Relations Director Email: guillaume.artois@elkem.com Tel:+ +33 603 420 757

Odd-Geir Lyngstad, VP Finance & Investor Relations Email: odd-geir.lyngstad@elkem.com Tel: +47 976 72 806

About Elkem Elkem is one of the world's leading providers of advanced silicon-based materials shaping a better and more sustainable future. The company develops silicones, silicon products and carbon solutions by combining natural raw materials, renewable energy and human ingenuity. Elkem helps its customers create and improve essential innovations like electric mobility, digital communications, health and personal care as well as smarter and more sustainable cities. With a strong track record since 1904, its global team of more than 7 200 people has a joint commitment to stakeholders: Delivering your potential. In 2024, Elkem achieved an operating income of NOK 33 billion. Elkem has been awarded top score of A on Forests and Water Security, and B on Climate Change from CDP. Elkem is listed on the Oslo Stock Exchange (ticker: ELK), where the company is also included in the ESG Index. www.elkem.com