Appointment of Directors and changes to the composition Harmony's Audit and Risk Committee Harmony Gold Mining Company Limited Registration number 1950/038232/06 Incorporated in the Republic of South Africa ISIN: ZAE000015228 JSE share code: HAR (“Harmony” and/or “the Company”) APPOINTMENT OF DIRECTORS AND CHANGES TO THE COMPOSITION OF HARMONY’S AUDIT AND RISK COMMITTEE Johannesburg, Thursday, 19 May 2022. In accordance with paragraph 3.59(a) of the JSE Limited Listings Requirements, the Company hereby advises that Mr Bongani Nqwababa and Mr Martin Prinsloo have been appointed to the Board of Directors of Harmony as independent non-executive directors and audit and risk committee members with effect from 18 May 2022. “Both Bongani and Martin are Chartered Accountants with extensive and diverse experience as executive and non-executive directors. Their financial and investment expertise in the chemicals, mining and extractives industries, globally and nationally, adds value in executing on Harmony’s strategic objectives and make a significant contribution to the development and growth of the Company. We are pleased to welcome Bongani and Martin to the Board of Harmony”, said Dr Patrice Motsepe, chairman of Harmony. Ends. For more details, contact: Jared Coetzer Head: Investor Relations +27 (0)82 746 4120 Johannesburg, South Africa 19 May 2022 Sponsor: J.P. Morgan Equities South Africa Proprietary Limited Date: 19-05-2022 04:34:00 Produced by the JSE SENS Department. The SENS service is an information dissemination service administered by the JSE Limited ('JSE'). The JSE does not, whether expressly, tacitly or implicitly, represent, warrant or in any way guarantee the truth, accuracy or completeness of the information published on SENS. The JSE, their officers, employees and agents accept no liability for (or in respect of) any direct, indirect, incidental or consequential loss or damage of any kind or nature, howsoever arising, from the use of SENS or the use of, or reliance on, information disseminated through SENS.