HAR - Harmony Gold Mining Company Limited - Papua New Guinea Gold joint venture commences Harmony Gold Mining Company Ltd Incorporated in the Republic of South Africa Registration number: 1950/038232/06 Share code: HAR ISIN: ZAE000015228 ("Harmony") PAPUA NEW GUINEA GOLD JOINT VENTURE COMMENCES Port Moresby, Papua New Guinea 7 August 2008 Harmony Gold Mining Company Limited (Harmony) and Newcrest Mining Limited (Newcrest) announced today that Newcrest has now acquired its initial 30.01% interest in the joint venture holding exploration and mining assets in the Morobe province of Papua New Guinea (PNG). The announcement follows Newcrest`s payment of US$230 million* to Harmony and the completion of all steps required to achieve Stage 1 of the joint venture, including government and regulatory approvals. Newcrest will increase its interest in the joint venture to 50% by sole funding all project expenditure until the date of first production from the Hidden Valley mine, up to a maximum of US$306 million*. Production is scheduled to commence at Hidden Valley in mid-2009. The completion of Stage 1 today marks the commencement of the joint venture. The joint venture assets, which will be operated under the name Morobe Mining Joint Ventures, include the Hidden Valley gold mine, as well as the highly prospective Wafi Golpu copper/gold deposit and extensive exploration tenements in the Morobe province of PNG. For further information, please contact: Harmony Gold Company Limited Graham Briggs Amelia Soares Chief Executive Officer General Manager, Investor Relations +27 (0) 11 411 2023 +27 (0) 11 411 2314 +27 (0) 83 265 0274 +27 (0) 82 654 9241 Newcrest Mining Limited Investor Enquiries Media Enquiries Karen McRae Daryl Corp Phone: +61 3 9522 5316 61 3 9522 5376 Email: karen.mcrae@newcrest.com.au daryl.corp@newcrest.com.au * Numbers adjusted from original news release (22 April 2008), to reflect additional time required to complete Stage 1, including approvals etc. Total consideration paid by Newcrest may be lower, depending on actual project expenditure. Date: 08/08/2008 08:00:07 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.