KIEV, Feb. 14 - The supervisory board of ArcelorMittal Kryviy Rih (formerly Kryvorizhstal), Ukraine's biggest steel producer, replaced the company’s chairman at a meeting on February 13, the company announced.

Christophe Cornier, member of ArcelorMittal's management board responsible for Asia, Africa, Technology and Projects, has been dismissed as head of the supervisory board at his own request. Gerhard Renz, ArcelorMittal's executive director and head of the Long Carbon Europe division, has been appointed to take his place indefinitely.