ACL - Appointment of Independent Non-Executive Director 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") APPOINTMENT OF INDEPENDENT NON-EXECUTIVE DIRECTOR In compliance with paragraph 3.59 (a) of the Listings Requirements of the JSE Limited, shareholders are hereby notified that the board of directors of ArcelorMittal South Africa (Board) has approved the appointment of Ms Dawn Earp as an independent non-executive director of the Company with effect from 1 July 2021. Ms Earp has a Bachelor of Commerce and Bachelor of Accountancy degree and is a Chartered Accountant. She has served as a non-executive director of various private and listed companies (and continues to do so). She has also held various senior executive roles including that of Finance Director. The Chairman of the Board stated that the Board was satisfied that Ms Earp would add significant value to ArcelorMittal South Africa and further strengthen the Board, both in terms of experience and diversity, given her vast experience in mining and industry as well her audit committee experience (including as chair). Vanderbijlpark Works 29 June 2021 For further information please contact: Mr Tami Didiza: Corporate Communications Tel: (016) 889 4100 Company Secretary: FluidRock Co Sec (Pty) Ltd Sponsor to ArcelorMittal South Africa Limited Absa Bank Limited (acting through its Corporate and Investment Banking division) Date: 29-06-2021 12:15:00 Produced by the JSE SENS Department. The SENS service is an information dissemination service administered by the JSE Limited ('JSE'). The JSE does not, whether expressly, tacitly or implicitly, represent, warrant or in any way guarantee the truth, accuracy or completeness of the information published on SENS. The JSE, their officers, employees and agents accept no liability for (or in respect of) any direct, indirect, incidental or consequential loss or damage of any kind or nature, howsoever arising, from the use of SENS or the use of, or reliance on, information disseminated through SENS.