Harmony Gold Mining Company Limited Registration number 1950/038232/06 Incorporated in the Republic of South Africa ISIN: ZAE000015228 JSE share code: HAR (“Harmony” or “the company”) LOSS-OF-LIFE INCIDENT AT MOAB KHOTSONG Johannesburg, Monday, 15 August 2022. Harmony Gold Mining Company Limited (“Harmony” and/or “the Company”) regrets to advise that an employee lost their life on Saturday morning, 13 August 2022, following a fall of ground incident at its Moab Khotsong mine, near Orkney, in the North West province. “The board, executives and management of Harmony wish to extend their deepest condolences to the family and colleagues of the deceased. Harmony will provide the necessary support to the family as we mourn the loss of our colleague.” Peter Steenkamp, chief executive officer of Harmony commented. The relevant authorities, as well as the family members of the deceased were informed and a comprehensive in-loco investigation is currently underway. Ends. For more details contact: Sihle Maake Head of Communications +27 (0)83 722 5467 (mobile) or Mashego Mashego Executive Director: Corporate affairs +27 (0) 82 767 1072 (mobile) 15 August 2022 Sponsor: J.P. Morgan Equities South Africa Proprietary Limited.