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, Monday, 14 December 2020. 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 performance share awards made pursuant to the provisions of the Harmony Share Plan 2006 are disclosed: 1. Name of director: P Steenkamp (Chief Executive Officer) Nature of transaction: Vesting of performance shares and pledged performance shares and settlement by (i) on-market sale of shares and (ii) off-market equity settlement, in terms of the Harmony Share Plan 2006 Vesting Date: 20 November 2020 Class of securities: Ordinary shares Number of ordinary shares 812 709 vested: Number of vested shares sold 377 909 on market to cover tax: Date of conclusion of bulk 09 December 2020 on-market sale of shares: On-market sale price per Volume weighted average share: price of R65.67 per share (with a low of R61.50 per share and a high of R70.99 per share) Total value of shares sold R24 818 645 on market to cover tax: Number of shares retained in 434 800 own name: Total value of shares R28 554 881 retained in own name: Nature and extent of Direct beneficial director’s interest: 2. Name of director: B Lekubo (Financial Director) Nature of transaction: Vesting of performance shares 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: 20 November 2020 Class of securities: Ordinary shares Number of ordinary shares 225 313 vested and sold on market: Date of conclusion of bulk 09 December 2020 on-market sale of shares: On-market sale price per Volume weighted average price share: of R65.67 per share (with a low of R61.50 per share and a high of R70.99 per share) Total value of shares sold R14 797 116 on market, prior to deduction of tax liability: Nature and extent of director’s interest: Direct beneficial 3. Name of director: HE Mashego (Executive Director) Nature of transaction: Vesting of performance shares 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: 20 November 2020 Class of securities: Ordinary shares Number of ordinary shares 251 722 vested and sold on market: Date of conclusion of bulk 09 December 2020 on-market sale of shares: On-market sale price per Volume weighted average share: price of R65.67 per share (with a low of R61.50 per share and a high of R70.99 per share) Total value of shares sold R16 531 490 on market, prior to deduction of tax liability: Nature and extent of director’s interest: Direct beneficial 4. Name of prescribed officer: B Nel Nature of transaction: Vesting of performance shares and matched performance shares and settlement by (i) on-market sale of shares and (ii) off-market equity settlement, in terms of the Harmony Share Plan 2006 Vesting Date: 20 November 2020 Class of securities: Ordinary shares Number of ordinary shares 318 487 vested: Number of vested shares sold 148 095 on market to cover tax: Date of conclusion of bulk 09 December 2020 on-market sale of shares: On-market sale price per Volume weighted average share: price of R65.67 per share (with a low of R61.50 per share and a high of R70.99 per share) Total value of shares sold R9 725 932 on market to cover tax: Number of shares retained in 170 392 own name: Total value of shares R11 190 256 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 performance shares and matched performance shares and settlement by (i) on-market sale of shares and (ii) off-market equity settlement, in terms of the Harmony Share Plan 2006 Vesting Date: 20 November 2020 Class of securities: Ordinary shares Number of ordinary shares 324 720 vested: Number of vested shares sold 150 994 on market to cover tax: Date of conclusion of bulk 09 December 2020 on-market sale of shares: On-market sale price per Volume weighted average share: price of R65.67 per share (with a low of R61.50 per share and a high of R70.99 per share) Total value of shares sold R9 916 320 on market to cover tax: Number of shares retained in 173 726 own name: Total value of shares R11 409 211 retained in own name: Nature and extent of prescribed officer’s Direct beneficial interest: 6. Name of prescribed officer: J van Heerden Nature of transaction: Vesting of performance shares and settlement by (i) on-market sale of shares and (ii) off-market equity settlement, in terms of the Harmony Share Plan 2006 Vesting Date: 20 November 2020 Class of securities: Ordinary shares Number of ordinary shares 293 554 vested and sold on market: Date of conclusion of bulk 09 December 2020 on-market sale of shares: On-market sale price per Volume weighted average share: price of R65.67 per share (with a low of R61.50 per share and a high of R70.99 per share) Total value of shares sold R19 278 748 on market, prior to deduction of tax liability: Nature and extent of Direct beneficial prescribed officer’s interest: 7. Name of prescribed officer: M van der Walt Nature of transaction: Vesting of performance shares and matched performance shares and settlement by (i) on-market sale of shares and (ii) off- market equity settlement, in terms of the Harmony Share Plan 2006 Vesting Date: 20 November 2020 Class of securities: Ordinary shares Number of ordinary shares 254 065 vested: Number of vested shares sold 118 139 on market to cover tax: Date of conclusion of bulk 09 December 2020 on-market sale of shares: On-market sale price per Volume weighted average price share: of R65.67 per share (with a low of R61.50 per share and a high of R70.99 per share) Total value of shares sold R7 758 613 on market to cover tax: Number of shares retained in 135 926 own name: Total value of shares R8 926 750 retained in own name: Nature and extent of prescribed officer’s Direct beneficial interest: 8. Name of company secretary: S Mohatla Nature of transaction: Vesting of performance shares and settlement by (i) on-market sale of shares and (ii) off-market equity settlement, in terms of the Harmony Share Plan 2006 Vesting Date: 20 November 2020 Class of securities: Ordinary shares Number of ordinary shares 8 687 vested and sold on market: Date of conclusion of bulk 09 December 2020 on-market sale of shares: On-market sale price per Volume weighted average share: price of R65.67 per share (with a low of R61.50 per share and a high of R70.99 per share) Total value of shares sold R570 507 on market, prior to deduction of tax liability: Nature and extent of company Direct beneficial secretary’s interest: Prior clearance was obtained in respect of the above dealings by the prescribed officer. For more details contact: Marian van der Walt Senior Group Executive: Enterprise Risk and Investor Relations +27(0)82 888 1242 (mobile) Max Manoeli Investor Relations and Social Media Manager +27(0)82 759 1775 (mobile) Johannesburg, South Africa 14 December 2020 Sponsor: J.P. Morgan Equities South Africa Proprietary Limited Date: 14-12-2020 05:15:00 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.