Harmony Gold Mining Company Ltd Registration number: 1950/038232/06 Incorporated in the Republic of South Africa ISIN: ZAE000015228 JSE share code: HAR (“Harmony” or “Company”) Dealings by Prescribed Officer of the Company Johannesburg. 31 August 2022. In compliance by Harmony with paragraphs 3.63 to 3.74 of the JSE Listings Requirements, the following information is disclosed: Name of Prescribed Officer: B Nel Name of Company: Harmony Date of transaction 8 March 2022* Type of transaction: On-market sale of ordinary shares Class of securities: Ordinary shares Number of shares: 100 000 Volume Weighted Average price per R81.34 share: Highest sale price: R83.15 Lowest sale price: R80.00 Total value of shares: R8 133 927.64 Nature and extent of interest Direct beneficial *Prior clearance was timeously obtained in respect of the above dealings. However, due to an administrative oversight, the announcement was unfortunately and unintentionally delayed. Ends. For more details, contact: Jared Coetzer Head: Investor Relations +27 (0) 82 746 4120 Johannesburg, South Africa 31 August 2022 Sponsor: J.P. Morgan Equities South Africa Proprietary Limited