ACL - 2021 grant in terms of Long-Term Incentive Plan 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") 2021 GRANT IN TERMS OF LONG-TERM INCENTIVE PLAN Shareholders are hereby notified of the 2021 conditional award of shares (grant) in terms of the company’s Long-Term Incentive Plan (“LTIP”), pursuant to paragraph 3.92 read with paragraphs 3.63 to 3.66 of the JSE Limited (“JSE”) Listings Requirements. The LTIP has been established in line with the requirements of the JSE and was created as a mechanism to reward and retain management effectively and link remuneration to performance of the company. It is therefore linked to performance of the Company and is 60% performance based in respect of senior executives and 50% for other executives and management. The grant has a vesting period of 3 years and the 2021 grant will vest on 27 May 2024. The grants have been approved and issued by the board and accordingly, clearance to deal provided. GRANT TO DIRECTORS AND PRESCRIBED OFFICERS Pursuant to directors and prescribed officers accepting the 2021 grant and participating in terms of the LTIP Rules, the following information is disclosed: Director: Hendrik Jacobus Verster Company: ArcelorMittal South Africa Limited Class of securities: Ordinary shares Date of acceptance of grant: 27 May 2021 Number of LTIP shares: 1 635 269 Grant price: R4.99 Total value of transaction: R8 159 992 Nature of transaction: Off market acceptance of LTIP grant in terms of Scheme Rules Nature of interest: Direct beneficial Prescribed Officer: Sedick Achmat Company: ArcelorMittal South Africa Limited Class of securities: Ordinary shares Date of acceptance of grant: 27 May 2021 Number of LTIP shares: 368 738 Grant price: R4.99 Total value of transaction: R1 840 003 Nature of transaction: Off market acceptance of LTIP grant in terms of Scheme Rules Nature of interest: Direct beneficial Prescribed Officer: Mohamed Adam Company: ArcelorMittal South Africa Limited Class of securities: Ordinary shares Date of acceptance of grant: 27 May 2021 Number of LTIP shares: 539 058 Grant price: R4.99 Total value of transaction: R2 689 899 Nature of transaction: Off market acceptance of LTIP grant in terms of Scheme Rules Nature of interest: Direct beneficial Prescribed Officer: Jacobus Frederick Swart Company: ArcelorMittal South Africa Limited Class of securities: Ordinary shares Date of acceptance of grant: 27 May 2021 Number of LTIP shares: 423 617 Grant price: R4.99 Total value of transaction: R2 113 849 Nature of transaction: Off market acceptance of LTIP grant in terms of Scheme Rules Nature of interest: Direct beneficial Prescribed Officer: Jacobus Petrus Stephanus Olivier Company: ArcelorMittal South Africa Limited Class of securities: Ordinary shares Date of acceptance of grant: 27 May 2021 Number of LTIP shares: 577 154 Grant price: R4.99 Total value of transaction: R2 879 998 Nature of transaction: Off market acceptance of LTIP grant in terms of Scheme Rules Nature of interest: Direct beneficial Prescribed Officer: Werner Venter Company: ArcelorMittal South Africa Limited Class of securities: Ordinary shares Date of acceptance of grant: 27 May 2021 Number of LTIP shares: 370 533 Grant price: R4.99 Total value of transaction: R1 848 960 Nature of transaction: Off market acceptance of LTIP grant in terms of Scheme Rules Nature of interest: Direct beneficial Prescribed Officer: Jacques Kotze Company: ArcelorMittal South Africa Limited Class of securities: Ordinary shares Date of acceptance of grant: 27 May 2021 Number of LTIP shares: 384 258 Grant price: R4.99 Total value of transaction: R1 917 447 Nature of transaction: Off market acceptance of LTIP grant in terms of Scheme Rules Nature of interest: Direct beneficial Prescribed Officer: Gavin Anthony Griffiths Company: ArcelorMittal South Africa Limited Class of securities: Ordinary shares Date of acceptance of grant: 27 May 2021 Number of LTIP shares: 180 361 Grant price: R4.99 Total value of transaction: R900 001 Nature of transaction: Off market acceptance of LTIP grant in terms of Scheme Rules Nature of interest: Direct beneficial Prescribed Officer: Vasco De Jesus Mendes De Sousa Company: ArcelorMittal South Africa Limited Class of securities: Ordinary shares Date of acceptance of grant: 27 May 2021 Number of LTIP shares: 122 645 Grant price: R4.99 Total value of transaction: R611 999 Nature of transaction: Off market acceptance of LTIP grant in terms of Scheme Rules Nature of interest: Direct beneficial Prescribed Officer: Tamsanqa Sydney Didiza Company: ArcelorMittal South Africa Limited Class of securities: Ordinary shares Date of acceptance of grant: 27 May 2021 Number of LTIP shares: 115 431 Grant price: R4.99 Total value of transaction: R576 001 Nature of transaction: Off market acceptance of LTIP grant in terms of Scheme Rules Nature of interest: Direct beneficial Prescribed Officer: Aldrich Craig Louis Company: ArcelorMittal South Africa Limited Class of securities: Ordinary shares Date of acceptance of grant: 27 May 2021 Number of LTIP shares: 65 137 Grant price: R4.99 Total value of transaction: R325 034 Nature of transaction: Off market acceptance of LTIP grant in terms of Scheme Rules Nature of interest: Direct beneficial GRANT TO GENERAL LTIP PARTICIPANTS Pursuant to 82 employees (LTIP participants) accepting the 2021 grant and participating in terms of the LTIP Rules, the following information is disclosed: Company: ArcelorMittal South Africa Class of securities: Ordinary shares Date of acceptance of allocation: 27 May 2021 Number of LTIP shares: 6 155 086 Grant price: R4.99 Total value of transaction: R30 713 879 Nature of transaction: Off market acceptance of LTIP grant in terms of Scheme Rules Nature of interest: Direct Beneficial Vanderbijlpark Works 27 May 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: 28-05-2021 04:00:00 Produced by the JSE SENS Department. 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