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HAR - Harmony Gold Mining Company Ltd - Wafi-Golpu Project grows to a Billion

Release Date: 20/07/2011 13:13
Code(s): HAR
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HAR - Harmony Gold Mining Company Ltd - Wafi-Golpu Project grows to a Billion Tonne Resource - Adds to growth in quality ounces; GOLPU`s grade at plus 1% copper Harmony Gold Mining Company Ltd Incorporated in the Republic of South Africa Registration number: 1950/038232/06 JSE Share code: HAR NYSE Share code: HMY NASDAQ Share code: HMY ISIN: ZAE000015228 PRESS RELEASE WAFI-GOLPU PROJECT GROWS TO A BILLION TONNE RESOURCE - ADDS TO GROWTH IN QUALITY OUNCES; GOLPU`S GRADE AT PLUS 1% COPPER Harmony`s Resources and Reserves aligned with strategy For the full press release including tables, technical diagrams and graphs, kindly go to the Harmony website on www.harmony.co.za. Johannesburg. Wednesday, 20 July 2011. Harmony Gold Mining Company Limited (`Harmony` or `the Company`) is pleased to publish its Statement of Mineral Resources and Mineral Reserves as at 30 June 2011, produced in accordance with the South African Code for the Reporting of Mineral Resources and Mineral Reserves (SAMREC Code) and the Australian Code (JORC Code). The Measured and Indicated Mineral Resources are inclusive of those Mineral Resources modified to produce the Mineral Reserves. Graham Briggs, chief executive officer commented, "The Company`s Resource and Reserve base support our strategy of producing high quality ounces at lower costs. Harmony has invested a great deal in the expansion of its production base in South Africa and Papua New Guinea (PNG). Our investment in exploration continues to pay dividends, with the Wafi-Golpu Resource showing a phenomenal 57% increase to over 1 billion tonnes - confirming it is one of the highest grade copper gold porphyry systems in South East Asia. These excellent results validate our long held belief that PNG is a game changing asset for Harmony." Briggs added, "We continue to improve our business planning process, using benchmarks and targets we believe to be realistic. Cut off grades have been revised, areas which require more geological work and minor reefs have been excluded from resources. Results from extensive underground development and borehole drilling during the year have been used to improve the confidence in the geological models of our operations. Our `life of mine` plans support our commitment to improving the grades from our underground operations, lowering our cost base and benchmarking our costing parameters - both internally across our operations and externally against other gold producers." As at 30 June 2011, Harmony`s Mineral Reserves amounted to 41.6 million ounces (Moz) of gold, spread across Harmony`s assets in South Africa and PNG. The Reserves of Kusasalethu, Doornkop, Tshepong and Phakisa in South Africa and Hidden Valley in PNG now constitute 45% of Harmony`s total Mineral Reserves. Once the pre-feasibility study of Wafi-Golpu has been completed, more ounces from PNG may be added to Harmony`s reserves. The reserve declaration excludes Rand Uranium Reserves (which is being held for sale), as well as some Evander projects which are no longer included in Harmony`s long term mine plans. These exclusions, together with mine depletion, resulted in a decrease of 6.5 million ounces year on year, allowing Harmony to focus on growing, developing and operating its portfolio of quality assets. As at 30 June 2011 attributable gold Mineral Resources are 163.9 Moz. Harmony`s PNG Resources represent 10% of Harmony`s total Resources at 16.3 Moz - a 51% increase in the total amount of resources from PNG, largely due to the significant increase in the Wafi-Golpu Resource (jointly (50/50) held by Harmony and Newcrest Mining Limited (Newcrest) in the Morobe Mining Joint Venture). The Wafi-Golpu Resource statement confirms Harmony`s long held belief that Golpu is truly a world-class discovery. On a 100% basis, Golpu alone now hosts a Resource of 869Mt, containing 19.3Moz of gold and 9.0 million tonnes (Mt) of copper (62Moz on a gold equivalent(1) basis). This represents a significant year-on-year increase, with an additional 368Mt (73% increase), comprising 4.2Mt copper (88% increase) and 10.5Moz of gold (119% increase) (see Table 1 - refer website). The deposit has grown to the north and at depth, and the grade has also increased. The Resource remains open at depth and to the north, with extension and infill drilling continuing (see Figure 1 - refer website). Graham Briggs further commented, "The Golpu deposit benchmarks as one of the highest grade copper-gold deposits in South East Asia, and there is potential to improve this further. The ultimate size of the system, including the gold mineralisation, is yet to be realised, but significant potential remains for additional growth in the district or as additional mineralisation centres aligned along the Wafi transfer structure. We are increasing the drill fleet from 5 to 8 rigs over the coming months to realise this potential". The Golpu copper-gold deposit is a nested porphyry system that comprises at least three separate mineralised intrusions. Potential for additional mineralised intrusives along strike from Golpu, at Nambonga, and for additional feeder zones around the margins and at depth below the diatreme is high, with the area hugely prospective and underexplored (see Figure 2 - refer website). The Wafi epithermal gold system is also expanding with new zones of gold mineralisation discovered off the northern margin of the diatreme in areas never drill tested previously. The increase in the Golpu Resource has increased the Wafi Golpu System Resource to over 1 billion tonnes, which is displayed in table 2 (refer website). The Wafi-Golpu Resource has world class credentials, compared with other similar projects. See the graph (Fig. 3 - refer website). Wafi-Golpu is of substantial size, with the resource having the highest copper and gold grade amongst its peers. Wafi-Golpu has grown into a tier one asset in its own right, with several first class gold and copper-gold targets being developed along strike on the Wafi Transfer structure (see Figure 4 - refer website). Outside of the Morobe Mining Joint Venture, Harmony`s exploration strategy of targeting key prospective terrains to create shareholder value through the discovery of large long life gold orebodies, is proving successful. The New Guinea mobile belt is emerging as a premier copper-gold (Cu-Au) belt with recent discoveries and resource expansions at Wafi-Golpu, Yandera, and Frieda River. At Mount Hagen, at the Kurunga prospect, Harmony is currently drill testing one of the highest order Cu-Au geochemical anomalies in the entire belt (see Figure 5 - refer website). Initial results are highly encouraging with numerous vein intervals of +0.1% copper, accompanied by high grade molybdenum (Mo) assays, which confirm the prospectivity of the anomaly and highlight the porphyry Cu-Au- Mo potential. Please refer to Annexure A, included in this press release, which provides all the underlying detail to the information provided. ANNEXURE A In converting the Mineral Resources to Mineral Reserves the following parameters were applied: a gold price of US$1 150/oz an exchange rate of USD/ZAR 7.57 for South Africa the above parameters resulted in a gold price of R280 000/kg the Hidden Valley mine and Wafi-Golpu project in the Morobe Mining Joint Venture used prices of AUD1133/oz Au, AUD18.00/oz Ag, AUD18.00/lb Mo and AUD3.34/lb Cu at an exchange rate of US/AUD 0.75 and PGK/AUDK 2.30 Harmony`s South African Resources to Reserves conversion process and two operations, Tshepong mine and Kusasalethu mine, were reviewed and audited by SRK Consulting Engineers and Scientists for compliance with the South African Code for Reporting Mineral Resources and Mineral Reserves - SAMREC Code (2008), Industry Guide 7 of the United States Securities Exchange Commission and Sarbanes-Oxley requirements. Harmony`s Papua New Guinea Mineral Resources and Mineral Reserves will be independently reviewed by AMC Consultants Pty Ltd for compliance with the standards set out in the Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves - The JORC Code. The company`s detailed Resource and Reserve declaration will be published in the FY2011 annual report, which will be made available to shareholders towards the end of September 2011. The annual report will also include the latest update on Harmony`s uranium Resources. We use certain terms in this document such as `Measured`, `Indicated` and `Inferred` Resources, which the United States` Securities and Exchange Commission (SEC) guidelines strictly prohibit US-registered companies from including in their filings with the SEC. US investors are urged to closely consider the disclosure in our Form 20-F. MINERAL RESOURCES STATEMENT The following tables summarise the Mineral Resources for the South African and Papua New Guinea operations and projects: SA underground operations Tonnes (Mt) g/t Gold (`000 Kg) Gold (`000 Oz) Measured 93.7 9.08 851 27 365 Indicated 116.4 8.51 991 31 863 Inferred 209.2 7.12 1490 47 896 Total 419.3 7.95 3332 107 124 SA projects below infrastructure Tonnes (Mt) g/t Gold (`000 Kg) Gold (`000 Oz) Measured - - - - Indicated 74.4 8.20 610 19 607 Inferred 57.0 3.87 221 7 089 Total 131.4 6.32 831 26 696 SA surface operations Tonnes (Mt) g/t Gold (`000 Kg) Gold (`000 Oz) Measured 393.0 0.31 121 3 890 Indicated 890.6 0.29 257 8 259 Inferred 82.3 0.62 51 1 630 Total 1365.9 0.31 429 13 779 South Africa Total Tonnes (Mt) Gold (`000 Kg) Gold (`000 Oz) Measured 486.7 972 31 255 Indicated 1 081.4 1 858 59 729 Inferred 348.5 1 761 56 615 Total 1 916.6 4 591 147 599 Papua New Guinea Hidden Valley mine Tonnes (Mt)* g/t Gold (`000 Kg)* Gold (`000 Equity
Oz)* Gold (`000 Oz)** Measured 8.1 1.74 14 454 227 Indicated 95.9 1.57 151 4 852 2 426 Inferred 17.2 1.24 21 686 343 Total 121.2 1.54 186 5 992 2 996 Wafi-Golpu system Tonnes g/t Gold (`000 Kg)* Gold (`000 Equity Gold (Mt)* Oz)* (`000 Oz)** Measured - - - - - Indicated 812.2 0.76 619 19 918 9 959 Inferred 199.4 1.04 207 6 658 3 329 Total 1 011.6 0.82 826 26 576 13 288 * Represents Harmony / Newcrest joint venture 100% portion ** Represents Harmony`s 50% portion Equivalent gold ounces Hidden Valley mine Equivalent Equity Gold (`000 equivalent
Oz)* gold (`000 Oz)** Measured 542 271 Indicated 5 914 2 957 Inferred 830 415 Total 7 286 3 643 Wafi-Golpu system Equivalent Equity
Gold (`000 equivalent Oz)* gold (`000 Oz)** Measured - - Indicated 56 521 28 261 Inferred 13 370 6 685 Total 69 891 34 946 * Represents Harmony / Newcrest joint venture 100% portion - gold, silver and copper ** Represents Harmony`s 50% portion - gold, silver and copper In addition to the gold resources, Harmony also reports on silver, copper and molybdenum from its PNG operations. Silver Tonnes g/t Ag (`000 Ag (`000 Equity (Mt)* Kg)* Oz)* Silver (`000 Oz)**
Measured 8.0 28.81 232 7 474 3 737 Indicated 90.2 31.24 2 816 90 534 45 267 Inferred 16.0 23.84 383 12 312 6 156 Total 114.2 30.03 3 431 110 320 55 160 Copper Tonnes % Cu Cu Equity (Mt)* (`000 t)* (M lbs)* Copper (M lbs)**
Measured - - - - - Indicated 749.0 1.02 7 640 16 842 8 421 Inferred 159.5 0.88 1 400 3 086 1 543 Total 908.5 1.00 9 040 19 930 9 965 Molybdenum Tonnes ppm Mo Mo Equity (Mt)* (`000 t)* (M lbs)* Molybdenum (M lbs)**
Measured - - - - - Indicated 749.0 99.00 74 164 82 Inferred 119.7 76.00 10 20 10 Total 868.7 95.83 84 184 92 * Represents Harmony / Newcrest joint venture 100% portion ** Represents Harmony`s 50% portion Papua New Guinea total ** Tonnes (Mt) g/t Gold Gold
(`000 Kg) (`000 Oz) Measured 4.0 1.74 7 227 Indicated 454.1 0.85 385 12 385 Inferred 108.3 1.05 114 3 672 Total 566.4 0.89 506 16 284 ** Represents Harmony`s 50% portion Harmony Group Total ** Tonnes (Mt) Gold Gold
(`000 Kg) (`000 Oz) Measured 490.8 979 31 482 Indicated 1 535.5 2 243 72 114 Inferred 456.8 1 875 60 287 Total 2 483.1 5 097 163 883 ** Represents SA Total and Harmony`s 50% portion from PNG Please refer to website for Mineral Resources reconciliation graph. MINERAL RESERVE STATEMENT The following table shows more detail of the year-on-year Reserves reconciliation: Mineral Reserves reconciliation: FY2010 to FY2011 Gold Gold
(tonnes) (million Oz) Balance at June 2010 1 496 48.1 Reductions Mined during FY2011 (47) (1.5) Mine closures (2) (0.1) Rand Uranium - non-current assets (37) (1.2) held for sale Projects SA - Poplar & Libra (143) (4.6) Increases Geology and scope changes - SA 27 0.9
Balance at June 2011 1 294 41.6 Please refer to website for Mineral Reserves reconciliation graph. The following tables show the Mineral Reserves for the South African and Papua New Guinea operations and projects: SA underground operations Tonnes g/t Gold Gold (Mt) (`000 Kg) (`000 Oz) Proved 51.8 6.18 320 10 295 Probable 66.0 6.38 421 13 542 Total 117.8 6.29 741 23 837 SA projects below infrastructure Tonnes g/t Gold Gold
(Mt) (`000 Kg) (`000 Oz) Proved - - - - Probable 26.2 8.08 211 6 790 Total 26.2 8.08 211 6 790 SA surface Tonnes g/t Gold Gold (Mt) (`000 Kg) (`000 Oz) Proved 386.6 0.29 112 3 603 Probable 624.5 0.24 153 4 909 Total 1 011.1 0.26 265 8 512 South Africa Total Tonnes Gold Gold
(Mt) (`000 Kg) (`000 Oz) Proved 438.4 432 13 898 Probable 716.7 785 25 241 Total 1 155.1 1 217 39 139 Papua New Guinea* Hidden Valley mine Tonnes g/t Gold Gold Equity (Mt)* (`000 Kg)* (`000 Oz)* Gold** (`000 Oz) Proved 7.3 1.79 13 422 211 Probable 58.5 1.67 98 3 142 1 571 Total 65.8 1.68 111 3 564 1 782 Golpu Tonnes g/t Gold Gold Equity Gold (Mt)* (`000 Kg)* (`000 Oz)* (`000 Oz)** Proved - - - - - Probable 70.8 0.61 43 1 388 694 Total 70.8 0.61 43 1 388 694 * Represents Harmony / Newcrest joint venture 100% portion ** Represents Harmony`s 50% portion Equivalent gold ounces Hidden Valley mine Equivalent Equity Gold equivalent
(`000 Oz)* gold (`000 Oz)** Proved 502 251 Probable 3 856 1 928 Total 4 358 2 179 Golpu Equivalent Equity Gold equivalent
(`000 Oz)* gold (`000 Oz)** Proved - - Probable 5 120 2 560 Total 5 120 2 560 * Represents Harmony / Newcrest joint venture 100% portion - gold, silver and copper ** Represents Harmony`s 50% portion - gold, silver and copper In addition to the gold Reserves, Harmony also reports on silver, copper and molybdenum from its PNG operations. Silver Tonnes g/t Ag Ag Equity (Mt)* (`000 Kg)* (`000 Oz)* Silver (`000 Oz)** Proved 7.3 29.24 214 6 894 3 447 Probable 53.5 35.38 1 895 60 914 30 457 Total 60.8 34.64 2 109 67 808 33 904 Copper Tonnes % Cu Cu Equity (Mt)* (`000 t)* (M lbs)* Copper (M lbs)** Proved - - - - - Probable 70.8 1.10 778 1 716 858 Total 70.8 1.10 778 1 716 858 Molybdenum Tonnes ppm Mo Mo Equity (Mt)* (`000 t)* (M lbs)* Molybdenum (M lbs)**
Proved - - - - - Probable 70.8 121.00 8 18 9 Total 70.8 121.00 8 18 9 * Represents Harmony / Newcrest joint venture 100% portion ** Represents Harmony`s 50% portion Papua New Guinea Total ** Tonnes g/t Gold Gold (Mt) (`000 Kg) (`000 Oz)
Proved 3.7 1.79 7 211 Probable 64.6 1.09 70 2 265 Total 68.3 1.13 77 2 476 ** Represents Harmony`s 50% portion Harmony Group Total ** Tonnes Gold Gold (Mt) (`000 Kg) (`000 Oz) Proved 442.1 439 14 109 Probable 781.3 855 27 506 Total 1 223.4 1 294 41 615 ** Represents SA Total and Harmony`s 50% portion from PNG Gold equivalent ounces are calculated assuming a US$1150/oz Au, US$2.50/lb Cu and US$13.50/oz Ag with 100% recovery for all metals The Mineral Resources and Mineral Reserves in the press release and the summary tables are based on information compiled by the following competent persons: Reserves and Resources South Africa: Jaco Boshoff, Pri.Sci.Nat who has 17 years relevant experience and is registered with the South African Council for Natural Scientific Professions. Reserves and Resources PNG: Stuart Hayward for the Wafi Golpu Mineral Resources, Gregory Job for the Golpu Mineral Reserve, James Francis for the Hidden Valley Mineral Resources and Anton Kruger for the Hidden Valley Mineral Reserve. Messrs Job, Francis and Kruger are corporate members of the Australian Institute of Mining and Metallurgy and Mr Hayward is a member of the Australian Institute of Geoscientists and all have relevant experience in the type and style of mineralisation for which they are reporting, and are `Competent Persons` as defined by the code. These competent persons consent to the inclusion in the report of the matters based on the information in the form and context in which it appears. Mr Boshoff and and Mr Job are full-time employees of Harmony Gold Mining Company Limited and Mr Hayward is a full time employee of Wafi Golpu Services Limited. Mr Francis and Mr Kruger are full-time employees of Newcrest Mining Limited. Newcrest is Harmony`s joint venture partner in the Morobe Mining Joint Venture in respect of the Hidden Valley mine and Wafi-Golpu project. For more details contact: Graham Briggs Chief Executive Officer +27 83 265 0274 (mobile) Jaco Boshoff Executive: Reserves, New Business and Projects +27 83 395 3810 (mobile) Greg Job Harmony Gold (PNG Services) Pty Ltd: Executive - Growth & Resource Development +61 417 172 387 (mobile) Marian van der Walt Executive: Corporate and Investor Relations +27 82 888 1242 (mobile) Corporate Office: Randfontein Office Park P O Box 2 Randfontein South Africa 1760 T +27 (11) 411 2000 www.harmony.co.za Sponsor: J.P. Morgan Equities Limited Date: 20/07/2011 13:13:37 Supplied by www.sharenet.co.za 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.

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