Harmony reports two positive COVID-19 cases at Kalgold Harmony Gold Mining Company Limited Registration number 1950/038232/06 Incorporated in the Republic of South Africa ISIN: ZAE000015228 JSE share code: HAR (“Harmony” or “the Company”) HARMONY REPORTS TWO POSITIVE COVID-19 CASES AT KALGOLD Johannesburg, Wednesday, 20 May 2020. Harmony Gold Mining Company Limited (“Harmony” or the Company”) confirms that two employees of a contractor at the Company’s Kalgold gold mine near Mafikeng in South Africa’s North West province have tested positive for the Coronavirus (“COVID-19”). The individuals, both of whom were asymptomatic, were identified as positive through the Company’s joint testing process conducted in collaboration with the Department of Health. Harmony will continue its routine screening and testing at the mine in line with its COVID-19 Standard Operating Procedure. Both individuals have been isolated and are receiving medical care. The process of tracing possible contacts is underway, with all of those identified either self-quarantining or quarantining at a company facility for 14 days. Kalgold employs approximately 600 people, the majority of whom have been tested. While mining at Kalgold has largely been suspended, the plant continues to operate and employees who have tested negative for COVID-19 have returned to work. Kalgold’s production represents 3% of Harmony’s total production. In compliance with regulation and/or agreement, the Departments of Health and Minerals Resources and Energy, the National Institute for Communicable Diseases and the Minerals Council South Africa have been informed. Please refer to Harmony’s website www.harmony.co.za/responsibility/covid-19 for more information on the processes and measures that have been adopted by the Company to curb the spread of the COVID-19 pandemic. The Company will continue to use its website to share information on its COVID-19 positive cases. “Every effort is made at our mines to mitigate the impact of the COVID-19 virus. We thank the Department of Health for its assistance with the testing at Kalgold and will only return to full production at the mine once it is safe to do so,” said Peter Steenkamp, chief executive officer of Harmony. Ends. CONTACT: Media: Sihle Maake Group communications manager 083 722 5467 Mashego Mashego Executive Director: Corporate Affairs 082 767 1072 Investors: Marian van der Walt Executive: Corporate and Investor Relations +27 (0) 82 888 1242 Moeketsi Max Manoeli Senior Investor Relations Coordinator +27 (0) 82 759 1775 Johannesburg, South Africa 20 May 2020 Sponsor: J.P. Morgan Equities South Africa Proprietary Limited Date: 20-05-2020 01:39:00 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.