Acquisition of Mponeng, Mine Waste Solutions Concluded 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”) ACQUISITION OF MPONENG, MINE WASTE SOLUTIONS CONCLUDED Johannesburg, Monday, 14 September 2020. Harmony Gold Mining Company Limited (“Harmony” or “the Company”) is pleased to announce that all conditions precedent relating to its acquisition of the Mponeng mine (Mponeng) and Mine Waste Solutions (MWS) from AngloGold Ashanti Limited (AngloGold Ashanti) (“the transaction”) have been met and accordingly the two parties have now concluded the transaction. Consequently, the transaction is scheduled to close in accordance with the transaction agreement on 30 September 2020, upon which Harmony will assume full ownership and operation of Mponeng, MWS and all other assets and liabilities that form part of the transaction. Harmony will take effective control of the assets as from the 1st of October 2020. Aside from improving Harmony’s portfolio mix between surface and underground operations, the transaction has the potential to improve the group’s overall recovered grade and increase cash flow margins. Harmony will only be in a position to estimate the full benefit of the integration once its planning parameters have been applied and the Company has taken ownership of the assets. Harmony CEO Peter Steenkamp said: “This is a proud moment for Harmony, further demonstrating our well-established belief in and commitment to the sustainability of gold, our confidence in South Africa and our determination to grow value for all of our stakeholders.” Harmony will publish its financial results for the year ended 30 June 2020 on Tuesday, 15 September 2020. Please see Harmony’s website for more details: www.harmony.co.za. Ends. 1 For more details, contact: Marian van der Walt Senior Group Executive: Enterprise Risk and Investor Relations +27(0)82 888 1242 (mobile) Max Manoeli Senior Investor Relations Coordinator +27(0) 82 759 1775 (mobile) Johannesburg, South Africa 14 September 2020 Sponsor: J.P. Morgan Equities South Africa Proprietary Limited 2 Date: 14-09-2020 10:00:00 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.