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”) In compliance with paragraphs 3.63 to 3.74 of the JSE Listings Requirements, the following information is disclosed: DEALING IN SECURITIES BY EXECUTIVE DIRECTORS, PRESCRIBED OFFICERS AND COMPANY SECRETARY Johannesburg, 30 November 2023. In line with the provisions of the 2018 Harmony Deferred Share Plan, executive directors and prescribed officers of Harmony were awarded deferred shares on 18 September 2023 based on the 5-day volume weighted average price of R83.09 per ordinary share and accepted these awards on 29 November 2023. In addition, in compliance with paragraphs 3.63 to 3.74 of the JSE Listings Requirements, dealing in securities by a prescribed officer is disclosed. The following transactions are disclosed in relation to the deferred share awards: 1. Name of director: PW Steenkamp (Chief Executive Officer) Nature of transaction: Off market award of deferred shares Periods of vesting: Deferred shares vest in five equal tranches over a five year period Class of securities: Deferred ordinary shares Number of deferred 107 359 shares awarded: Total value of shares R8 920 459.31 awarded: Nature and extent of Direct beneficial director’s interest: 1 2. Name of director: B Lekubo (Financial Director) Nature of transaction: Off market award of deferred shares Periods of vesting: Deferred shares vest in five equal tranches over a five year period Class of securities: Deferred ordinary shares Number of deferred 59 022 shares awarded: Total value of shares R4 904 137.98 awarded: Nature and extent of Direct beneficial director’s interest: 3. Name of director: HE Mashego (Executive Director) Nature of transaction: Off market award of deferred shares Periods of vesting: Deferred shares vest in five equal tranches over a five year period Class of securities: Deferred ordinary shares Number of deferred 52 657 shares awarded: Total value of shares R4 375 270.13 awarded: Nature and extent of Direct beneficial director’s interest: 2 4. Name of prescribed AZ Buthelezi officer: Nature of transaction: Off market award of deferred shares Periods of vesting: Deferred shares vest in five equal tranches over a five year period Class of securities: Deferred ordinary shares Number of deferred shares 49 559 awarded: Total value of shares R4 117 857.31 awarded: Nature and extent of Direct beneficial prescribed officer’s interest: 5. Name of prescribed BB Nel officer: Nature of transaction: Off market award of deferred shares Periods of vesting: Deferred shares vest in five equal tranches over a five year period Class of securities: Deferred ordinary shares Number of deferred 66 512 shares awarded: Total value of shares R5 526 482.08 awarded: Nature and extent of Direct beneficial prescribed officer’s interest: 3 6. Name of prescribed MP van der Walt officer: Nature of transaction: Off market award of deferred shares Periods of vesting: Deferred shares vest in five equal tranches over a five year period Class of securities: Deferred ordinary shares Number of deferred shares 49 559 awarded: Total value of shares R4 117 857.31 awarded: Nature and extent of Direct beneficial prescribed officer’s interest: Date of transaction 30 November 2023 Type of transaction: On-market sale of ordinary shares Class of securities: Ordinary shares Number of shares: 49 000 Volume Weighted Average R116.5766 price per share: Highest sale price: R117.65 Lowest sale price: R116.25 Total value of shares: R5 712 253 Nature and extent of Direct beneficial interest 7. Name of prescribed JJ van Heerden officer: Nature of transaction: Off market award of deferred shares Periods of vesting: Deferred shares vest in five equal tranches over a five year period Class of securities: Deferred ordinary shares Number of deferred 66 151 shares awarded: 4 Total value of shares R5 496 486.59 awarded: Nature and extent of Direct beneficial prescribed officer’s interest: 8. Name of company SS Mohatla secretary: Nature of transaction: Off market award of deferred shares Periods of vesting: Deferred shares vest in three equal tranches over a three period Class of securities: Deferred ordinary shares Number of deferred 19 737 shares awarded: Total value of shares R1 639 947.33 awarded: Nature and extent of Direct beneficial company secretary’s interest: Prior clearance was obtained in respect of the above dealings by the executive directors, prescribed officers and company secretary. Ends. For more details contact: Jared Coetzer Head of Investor Relations +27 (0) 82 746 4120 Johannesburg, South Africa 30 November 2023 Sponsor: J.P. Morgan Equities South Africa Proprietary Limited 5