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”) Harmony’s Form 20-F filing Johannesburg, Monday, 31 October 2022. Further to the announcement made on 25 October 2022, Harmony wishes to advise shareholders that it filed its annual report on a Form 20-F for the year ended 30 June 2022 with the United States Securities and Exchange Commission (“SEC”) on Monday, 31 October 2022. The document is available on the Company’s website at https://www.harmony.co.za/invest/annual-reports and www.har.co.za and the SEC’s website at www.sec.gov. The full annual suite of reports for the financial year ended 30 June 2022 - which includes the notice of electronic annual general meeting and audited annual financial statements - is also available for inspection at the registered office of the Company, Randfontein Office Park, Randfontein, 1760, Corner Main Reef Road/Ward Avenue, Randfontein and at the offices of the sponsors, J.P. Morgan, subject to the applicable COVID-19 restrictions. Ends. For more details, contact: Jared Coetzer Head: Investor Relations +27 (0) 82 746 4120 Johannesburg, South Africa 31 October 2022 Sponsor: J.P. Morgan Equities South Africa Proprietary Limited