Operational excellence delivers increase in gold production 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”) OPERATIONAL EXCELLENCE DELIVERS INCREASE IN GOLD PRODUCTION Johannesburg, Thursday, 12 October 2017. Harmony Gold Mining Company Limited (“Harmony” and/or “the Company”) is pleased to advise that gold production from its South African underground operations will be 12% to 14% higher quarter on quarter, due to an increase in both volumes and recovered grade. Gold production is 6% to 8% higher than the corresponding quarter in the previous financial year. The planned waste stripping of cutbacks 5 and 6 at Hidden Valley is ahead of schedule and will be completed towards the end of November 2017. Despite the impact on Hidden Valley’s gold production, Harmony’s total gold production increased by 3% to 5% quarter on quarter and the corresponding quarter year on year. Chief executive officer, Peter Steenkamp, commented: “Focus on safety, operational excellence at our South African operations and delivery at Hidden Valley in the second half of FY18 will ensure that we remain on track to meet our production guidance”. Harmony’s production results for the first quarter FY18 ended 30 September 2017 will be released on Tuesday, 7 November 2017. Ends. For more details contact: Lauren Fourie Investor Relations Manager +27 (0) 71 607 1498 (mobile) Or Marian van der Walt Executive: Corporate and Investor Relations +27 (0) 82 888 1242 (mobile) 12 October 2017 Sponsor: J.P. Morgan Equities South Africa Proprietary Limited. Date: 12/10/2017 09:15:00 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.