Appointment of Independent Non-Executive Director 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 INDEPENDENT NON-EXECUTIVE DIRECTOR Johannesburg, Friday, 15 August 2025. In accordance with paragraph 3.59(a) of the JSE Limited Listings Requirements, the Company hereby advises that Mr Frans Lombard has been appointed to the Board of Directors of Harmony as an independent non-executive director with effect from 14 August 2025. "Frans' extensive experience across the metals, mining, engineering, and construction industries, coupled with his understanding of governance, audit, and regulatory environments, will further strengthen the Board's oversight capability and support the Company's commitment to delivering sustainable value for shareholders and benefits to all stakeholders. We are pleased to welcome Frans to the Board of Harmony", said Dr Patrice Motsepe, chairman of Harmony. Ends. For more details, contact: Shela Mohatla Executive: Group Company Secretary +27 (0) 71 571 4249 Johannesburg, South Africa 15 August 2025 Sponsor: J.P. Morgan Equities South Africa Proprietary Limited Date: 15-08-2025 05:30:00 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.