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”) DEALING IN SECURITIES BY EXECUTIVE DIRECTOR Johannesburg, 8 March 2024. In compliance with paragraphs 3.63 to 3.74 of the JSE Listings Requirements, the following information is disclosed: Name of executive director: HE Mashego Name of Company: Harmony Type of transaction: On-market sale of ordinary shares Class of securities: Ordinary shares Nature and extent of interest Direct beneficial Date of transaction 6 March 2024 Number of shares: 2 000 Price per share: R127.50 Total Value: R255,000.00 Date of transaction 7 March 2024 Number of shares 500 Price per share: R132.81 Total Value: R66,405.00 Prior clearance was obtained in respect of the above dealings by the executive director. Ends. For more details, contact: Jared Coetzer Head: Investor Relations +27 (0) 82 746 4120 Johannesburg, South Africa 8 March 2024 Sponsor: J.P. Morgan Equities South Africa Proprietary Limited