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Harmony Gold Mining Company Limited Incorporated in the Republic of South Africa Registration number : 1950/038232/06 JSE share code : HAR NYSE share code : HMY ISIN : ZAE000015228 ( " Harmony " or " company " ) HARMONY ™ INTERIM RESULTS FY21 * for the six - month period ended 31 December 2020 HIGHLIGHTS for the six - month period ended 31 December 2020 ( H1FY21 ) vs the six - month period ended 31 December 2019 ( H1FY20 ) ** 1 RESPONSIBLE STEWARDSHIP In Phase 2 of embedding a proactive safety culture focused on leadership and behaviour • Our health initiatives combined with the COVID - 19 standard operating plans embed our commitment to the " S " in ESG # • Ranked first in ESG disclosure among South African mining companies • FTSE4Good constituent • Included in the Bloomberg Gender Equality • Index 2021 Runner - up in the Sunday Times Top 100 Companies Awards 2020 2 OPERATIONAL EXCELLENCE • 65 % increase in production profit to R6.8bn ( US $ 417m ) from R4.1bn ( US $ 280m ) • 5 % increase in underground recovered grade to 5.58g / t from 5.29g / t • 8 % increase in gold production to 23 183kg ( 745 314oz ) from 21 411kg ( 688 379oz ) • 42 % increase in total mineral resources * • 20 % increase in total mineral reserves * 3 CASH CERTAINTY • 69 % increase in operating free cash flow margin to 22 % from 13 % • 336 % increase in net profit to R5.8bn ( US $ 356m ) from R1.3bn ( US $ 91m ) • 58 % reduction in net debt to R580m ( US $ 40m ) from R1.4bn ( US $ 79m ) • 31 % increase in Rand gold price received to R896 587 / kg ( US $ 1 716 / oz ) from R683 158 / kg ( US $ 1 447 / oz ) • R902m ( US $ 56m ) net gain on derivatives • HEPS increased by 211 % to 775 SA cents ( 48 US cents ) from 249 SA cents ( 17 US cents ) • Net debt to EBITDA at 0.1x 4 EFFECTIVE CAPITAL ALLOCATION • Successful integration of Mponeng and Mine Waste Solutions - 3 months of production resulting in a significant increase in our overall grade , production and cash flow Strong pipeline of organic projects to drive production profile and margin expansion • Interim dividend of 110 SA cents ( 7.5 US cents * per share declared These interim results have been reviewed by our external auditors , PricewaterhouseCoopers Incorporated ** For the US $ comparative % increase please see our results presentation # ESG = Environmental , social and governance † The mineral reserves are included in the business valuation of the operations acquired from AngloGold Ashanti Limited , while the resources are per their mineral resources statement as at December 2019 ^ See dividend notice on page 7 for the details t Illustrative equivalent based on the exchange rate of R14.64 as at 19 February 2021