Dealing in securities Harmony Gold Mining Company Ltd Registration number: 1950/038232/06 Incorporated in the Republic of South Africa ISIN: ZAE000015228 JSE share code: HAR (“Harmony” or “the company”) Johannesburg, Thursday, 23 September 2021. In compliance with paragraphs 3.63 to 3.74 of the JSE Listings Requirements, the following information is disclosed: A. DEALING IN SECURITIES BY DIRECTORS AND PRESCRIBED OFFICERS: VESTING OF SHARES AND SETTLEMENT BY ON MARKET SALES AND EQUITY SETTLEMENT The following dealings in securities by directors and prescribed officers of Harmony in relation to the vesting and settlement of deferred share awards made pursuant to the provisions of the Harmony Deferred Share Plan 2018 are disclosed: 1. Name of director: PW Steenkamp (Chief Executive Officer) Nature of transaction: Vesting of deferred share awards and settlement by (i) on-market sale of shares and (ii) off-market equity settlement, in terms of the Harmony Deferred Share Plan 2018 Vesting Date: 18 September 2021 Class of securities: Ordinary shares Number of ordinary shares 34 532 vested: Number of ordinary shares 17 265 locked up towards minimum shareholding requirement: Number of vested shares sold 8 028 on market to cover tax: Date of conclusion of bulk 21 September 2021 on-market sale of shares: On-market sale price per Volume weighted average share: price of R47.24 per share (with a low of R46.60 per share and a high of R48.25 per share) Total value of shares sold R379 227 on market to cover tax: Number of shares retained in 9 239 own name: Total value of shares R436 432 retained in own name: Nature and extent of prescribed officer’s Direct beneficial interest: 2. Name of director: BP Lekubo (Financial Director) Nature of transaction: Vesting of deferred share awards and settlement by (i) on-market sale of shares and (ii) off-market equity settlement, in terms of the Harmony Deferred Share Plan 2018 Vesting Date: 18 September 2021 Class of securities: Ordinary shares Number of ordinary shares 18 192 vested: Number of ordinary shares 5 749 locked up towards minimum shareholding requirement: Number of vested shares sold 5 785 on market to cover tax: Date of conclusion of bulk 21 September 2021 on-market sale of shares: On-market sale price per Volume weighted average share: price of R47.24 per share (with a low of R46.60 per share and a high of R48.25 per share) Total value of shares sold R273 272 on market to cover tax: Number of shares retained in 6 658 own name: Total value of shares R314 511 retained in own name: Nature and extent of prescribed officer’s Direct beneficial interest: 3. Name of director: HE Mashego (Executive Director) Nature of transaction: Vesting of deferred share awards and settlement by (i) on-market sale of shares and (ii) off-market equity settlement, in terms of the Harmony Deferred Share Plan 2018 Vesting Date: 18 September 2021 Class of securities: Ordinary shares Number of ordinary shares 15 055 vested: Number of ordinary shares 7 527 locked up towards minimum shareholding requirement: Number of vested shares sold 3 499 on market to cover tax: Date of conclusion of bulk 21 September 2021 on-market sale of shares: On-market sale price per Volume weighted average share: price of R47.24 per share (with a low of R46.60 per share and a high of R48.25 per share) Total value of shares sold R165 286 on market to cover tax: Number of shares retained in 4 029 own name: Total value of shares R190 322 retained in own name: Nature and extent of prescribed officer’s Direct beneficial interest: 4. Name of prescribed officer: B Nel Nature of transaction: Vesting of deferred share awards and settlement by (i) on-market sale of shares and (ii) off-market equity settlement, in terms of the Harmony Deferred Share Plan 2018 Vesting Date: 18 September 2021 Class of securities: Ordinary shares Number of ordinary shares 15 093 vested: Number of ordinary shares 7 546 locked up towards minimum shareholding requirement: Number of vested shares sold 3 508 on market to cover tax: Date of conclusion of bulk 21 September 2021 on-market sale of shares: On-market sale price per Volume weighted average share: price of R47.24 per share (with a low of R46.60 per share and a high of R48.25 per share) Total value of shares sold R165 711 on market to cover tax: Number of shares retained in 4 039 own name: Total value of shares R190 794 retained in own name: Nature and extent of prescribed officer’s Direct beneficial interest: 5. Name of prescribed officer: VP Tobias Nature of transaction: Vesting of deferred share awards and settlement by (i) on-market sale of shares and (ii) off-market equity settlement, in terms of the Harmony Deferred Share Plan 2018 Vesting Date: 18 September 2021 Class of securities: Ordinary shares Number of ordinary shares 17 556 vested: Number of ordinary shares 8 778 locked up towards minimum shareholding requirement: Number of vested shares sold 4 081 on market to cover tax: Date of conclusion of bulk 21 September 2021 on-market sale of shares: On-market sale price per Volume weighted average share: price of R47.24 per share (with a low of R46.60 per share and a high of R48.25 per share) Total value of shares sold R192 778 on market to cover tax: Number of shares retained in 4 697 own name: Total value of shares R221 877 retained in own name: Nature and extent of prescribed officer’s Direct beneficial interest: 6. Name of prescribed officer: M van der Walt Nature of transaction: Vesting of deferred share awards and settlement by (i) on-market sale of shares and (ii) off-market equity settlement, in terms of the Harmony Deferred Share Plan 2018 Vesting Date: 18 September 2021 Class of securities: Ordinary shares Number of ordinary shares 14 949 vested: Number of vested shares sold 6 951 on market to cover tax: Date of conclusion of bulk 21 September 2021 on-market sale of shares: On-market sale price per Volume weighted average share: price of R47.24 per share (with a low of R46.60 per share and a high of R48.25 per share) Total value of shares sold R328 351 on market to cover tax: Number of shares retained in 7 998 own name: Total value of shares R377 810 retained in own name: Nature and extent of prescribed officer’s Direct beneficial interest: 7. Name of prescribed officer: J van Heerden Nature of transaction: Vesting of deferred share awards and settlement by (i) on-market sale of shares and (ii) off-market equity settlement, in terms of the Harmony Deferred Share Plan 2018 Vesting Date: 18 September 2021 Class of securities: Ordinary shares Number of ordinary shares 24 578 vested: Number of ordinary shares 12 288 locked up towards minimum shareholding requirement: Date of conclusion of bulk 21 September 2021 on-market sale of shares: On-market sale price per Volume weighted average share: price of R47.24 per share (with a low of R46.60 per share and a high of R48.25 per share) Number of shares retained in 12 290 own name: Total value of shares R580 555 retained in own name: Nature and extent of prescribed officer’s Direct beneficial interest: Prior clearance was obtained in respect of the above dealings in securities in compliance with paragraph 3.66 of the JSE Listings Requirements. For more details contact: Jared Coetzer Head of Investor Relations +27 (0) 82 746 4120 Jared.Coetzer@Harmony.co.za Johannesburg, South Africa 23 September 2021 Sponsor: J.P. Morgan Equities South Africa Proprietary Limited Date: 23-09-2021 05:24:00 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.