ArcelorMittal South Africa Limited (Incorporated in the Republic of South Africa) (Registration Number 1989/002164/06) Share Code: ACL ISIN: ZAE000134961 (ArcelorMittal South Africa or “the Company”) RESIGNATION OF CHIEF FINANCIAL OFFICER AND EXECUTIVE DIRECTOR In compliance with paragraph 3.59(b) of the Listings Requirements of the JSE Limited, shareholders are advised that Mr Siphamandla Mthethwa has resigned as Chief Financial Officer (CFO) and Executive Director of ArcelorMittal South Africa. The Company has agreed to the request by Mr Mthetwa, amongst others, for personal reasons, for his resignation to be with immediate effect. The board has approved that Mr Gavin Griffiths, currently Chief Strategy Officer be appointed to act as CFO until a new CFO is appointed and takes office, subject to compliance with section 3.84(f) of the JSE Listings Requirements. Mr Griffiths is a qualified Chartered Accountant and has the necessary experience at a senior executive level in business and financial roles. He is therefore well qualified and has the necessary experience and understanding of the steel industry and the Company to fulfil this role effectively. 17 July 2023 Vanderbijlpark Works For further information please contact: Mr Tami Didiza Group Manager: Stakeholder Engagement and Communications Tel: (016) 889 2352 Sponsor to ArcelorMittal South Africa Limited Absa Bank Limited (acting through its Corporate and Investment Banking division)