Harmony – solid results support margin and production growth 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 – solid results support margin and production growth Half year achievements: - 49% increase in headline earnings per share to 224 SA cents (55% increase to 17 US cents) - 6% increase in South African gold production - 4% increase in underground recovered grade to 5.26g/t - 2% decrease in all-in sustaining costs to R500 248/kg (2% increase to US$1 161/oz) Johannesburg. Tuesday, 13 February 2018. Harmony Gold Mining Company Limited (“Harmony” and/or “the Company”) is pleased to announce that operational excellence has resulted in a solid production performance in the six months ended 31 December 2017, with a 49% increase in headline earnings to 224 SA cents per share (17 US cents per share) compared to 150 SA cents per share (11 US cents per share) for the December 2016 period. “We are on track to achieve our group production guidance of 1.1Moz, after producing 560 000 ounces in the six months ended 31 December 2017. Shareholder returns inform every decision we make. We will therefore relentlessly pursue the production of safe, profitable ounces”, said Peter Steenkamp, chief executive officer of Harmony. Gold production for the group for the six months ended 31 December 2017 increased by 191kg (1%) to 17 418kg (560 003 oz), compared to 17 227kg (553 862oz) for the six months ended 31 December 2016. Gold production from the South African operations increased by 6% for the six months ended 31 December 2017 to 16 756kg (538 719 oz), compared to 15 812kg (508 369 oz) for the six months ended 31 December 2016. All-in sustaining costs for all operations decreased by 2% to R500 248/kg in the six months ended 31 December 2017 when compared to the previous comparable period of 31 December 2016. In US dollar terms all-in sustaining costs increased by 2% to US$1 161/oz mainly due to the strengthening of the Rand against the US dollar in the six months ended 31 December 2017. The net profit for the six months ended 31 December 2017 was R897 million (US$65 million), compared to R1 539 million (US$111 million) for the comparative period which included a gain on bargain purchase of R848 million (US$61 million). 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) 13 February 2018 Sponsor: J.P. Morgan Equities South Africa Proprietary Limited. Date: 13/02/2018 07:06:00 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.