ArcelorMittal unlocks value through partial sell-down of its shareholding in Vallourec with proceeds allocated to share buybacks

19 May 2026, 08:00 CET ArcelorMittal SA (“ArcelorMittal” or “the Company”) today announces the successful pricing of its secondary offering of shares in Vallourec SA (“Vallourec”). ArcelorMittal has sold approximately 23.9 million shares in Vallourec, representing approximately 10.0% of Vallourec's outstanding share capital, at an offer price of EUR 24.00 per share, raising gross proceeds of approximately US$667 million.