Harmony Gold Mining Company Limited Registration number 1950/038232/06 Incorporated in the Republic of South Africa ISIN: ZAE000015228 JSE share code: HAR (“Harmony”) Harmony is deeply saddened to announce a loss of life at Moab Khotsong mine on 20 January 2026 Johannesburg, Tuesday, 20 January 2026. Harmony Gold Mining Company Limited (“Harmony” and/or “the Company”) regrets to announce that an employee at Moab Khotsong mine, near Orkney, tragically lost his life in a locomotive-related incident this morning. All relevant parties, including the employee’s family members, have been informed. An investigation is currently underway, led by the Department of Mineral and Petroleum Resources (DMPR). “The tragic loss of life is devastating, and we are saddened by this unfortunate incident. We extend our heartfelt condolences to the employee's family, friends, and colleagues during this difficult time. Safety is our main priority, and we remain steadfast in our commitment towards reaching our goal of zero loss of life,” said Beyers Nel, Chief Executive Officer. Ends. For more details contact: Chipo Morapedi-Mrara Head of Communications +27 (0)60 571 0797 Jared Coetzer Head of Investor Relations +27 (0)82 746 4120 Mashego Mashego Executive Director +27 (0)82 767 1072 20 January 2026 Sponsor: J.P. Morgan Equities South Africa Proprietary Limited.