PROMINENT HILL

THE PROMINENT HILL MINE CONSISTS OF THE MALU OPEN PIT, ANKATA UNDERGROUND AND MALU UNDERGROUND DEVELOPMENT

“Dream Voyager” by Nicholas Uhlmann, Winner of the 2013 OZ Minerals’ Sculpture Award

FIRST PRODUCTION: February 2009. OZ Minerals’ Prominent Hill is located in the highly favourable mining jurisdiction MINING: of South . Open pit and underground. The operation is located 650 kilometres north west of Adelaide and 130 kilometres south east of the town of PROCESSING PLANT: Coober Pedy in . Prominent Hill is a fly-in fly-out operation employing approximately 1,400 employees Conventional crushing, grinding and contractors. and flotation. The Prominent Hill copper- deposit was discovered in 2001 and was a stand-out greenfield discovery in Australia. PRODUCT: Prominent Hill was brought into production in 2009 and had a successful ramp-up period. Copper-gold concentrate. Prominent Hill displays highly competitive fundamentals. It is a large copper-gold resource, the ore is processed using PRODUCTION GUIDANCE conventional methods, and it produces a high grade copper concentrate. 2014: The operation is comprised of the Malu open pit mine, Ankata underground mine, a grinding and flotation processing 85,000 - 90,000 tonnes plant, a permanent village and a haulage road, power line and bore field. contained copper The Malu underground development is expected to commence commissioning in late 2014. 130,000 - 140,000 ounces gold The Ankata underground mine commenced production in early 2012 and successfully ramped up during 2012. The higher grade ore from the underground mine will produce approximatley 25,000 tonnes of copper and 12,000 ounces of gold annually. The ore has similar metallurgical characteristics to that in the open pit which allows it to be easily blended with open pit feed into the existing plant for processing. Prominent Hill’s copper concentrates travel directly to international customers via the Adelaide to Darwin railway to the Port of Adelaide and then via ship to Asia and Europe.

This document is current as at: September 2014 OZMINERALS.COM N SOUTH AUSTRALIA EMPLOYMENT OPPORTUNITIES

DARWIN RAILWAY OZ Minerals’ success is driven by a motivated and social culture where ADELAIDE TO OODNADATTA OODNADATTA TRACK PROMINENT HILL diversity is both appreciated and expected. We want to attract people who CARRAPATEENA

BIRDSVILLETRACK are proud to work as part of a diverse and inclusive workforce. ADELAIDE OZ Minerals offers exciting careers across operations, processing and COOBER PEDY exploration. Visit the OZ Minerals careers website for a full list of employment oppopportunities at Prominent Hill at WIRRIDA RAIL SIDING PROMINENT MARREE www.ozminerals.com/careers. CHALLENGER MINE HILL STUART HWY TRANSMISSION LINE OZ MINERALS OLYMPIC TRANS-AUSTRALIAN RAILWAY DAM MINE OZ Minerals is an Australian based mining company with a focus on TARCOOLA CARRAPATEENA copper. The Company owns and operates the Prominent Hill copper-gold GAWLER KHAMSIN CRATON mine and Carrapateena copper-gold project, both located in South Australia.

PORT AUGUSTA OZ Minerals has a strong balance sheet, a team of highly skilled mining EYRE HWY OZ Minerals Tenements industry professionals and a commitment to Respect, Integrity, Action and WHYALLA PORT Results. Gawler Craton PIRIE Haul Road to Rail Siding Underground at the Prominent Hill Ankata mine Defence Core Area of Operation Woomera Prohibited Area PORT LINCOLN PORT ADELAIDE

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FUTURE PRODUCTION OUTLOOK In December 2013, OZ Minerals announced its future production outlook for the Prominent Hill operation. Production in 2014 is expected to be 85,000 to 90,000 tonnes of copper and 130,000 to 140,000 ounces of gold. This includes approximately 4,000 tonnes of copper and 3,500 ounces of gold from the Malu Underground mine, which is expected to commence commissioning in late 2014*. Copper production from the existing operations, Malu Open Pit and Ankata Underground, for 2015 to 2018 is expected to exceed 95,000 tonnes per annum based solely on Reserves (i.e. excluding treatment of mined Inferred Resources1). Gold production for the same period, also based only on Reserves, is expected to be in excess of 95,000 ounces per annum. The development of Malu Underground* is expected to ramp up to full production rates by the fourth quarter of 2015, contributing about 10,000 tonnes of copper in that year, after which it is expected to produce between PROMINENT HILL OFFICE 10,000 tonnes to 20,000 tonnes per annum of copper and 25,000 ounces Level 1, 162 Greenhill Road to 35,000 ounces of gold once it has reached full mining rates in 20162. Parkside SA 5063 Consequently, development of Malu Underground* is expected to result in T 61 8 8229 6600 combined production from Prominent Hill for 2015 to 2018 of in excess of F 61 8 8229 6601 105,000 tonnes of copper and in excess of 105,000 ounces of gold in PROMINENT HILL CONTACTS 2015, increasing to in excess of 120,000 ounces of gold per annum from 2016 to 2018. Brian Kilgariff General Manager, *The Malu Underground Life of Mine production schedule, which ends in 2025, Prominent Hill Operations includes additional Mineral Resources from stopes which have not been classified as Ore Reserves due to the percentage of Inferred Mineral Resources (the proportions of T 61 8 8229 6600 Ore Reserves and Indicated and Inferred Resources are set in the report entitled E [email protected] ‘Mineral Resource and Ore Reserve Statements for Malu Underground Project at Prominent Hill’ released to the market on 30 June 2014). It should be noted that OZ MINERALS MEDIA ENQUIRIES there is a low level of geological confidence associated with Inferred Mineral Rachel Eaves Resources and there is no certainty that further resource delineation drilling will result in the determination of Mineral Resources or that the Life of Mine production Head of Public Affairs & Sustainability schedule detailed above will itself be realised. 1 T 61 3 9288 0333 The information that relates to production outlook from existing operations is E [email protected] extracted from the report entitled ‘Prominent Hill Reserves and Resources and Production Outlook’ released to the market on 11 December 2013 (‘PHRR’). The Company confirms that it is not aware of any new information or data that materially affects the information included in the PHRR and that all material OZ MINERALS assumptions and technical parameters underpinning the estimates in the PHRR Level 10, 31 Queen Street continue to apply and have not materially changed. Melbourne VIC 3000 2 The information that relates to production outlook from Malu Underground is GPO Box 1291K Melbourne VIC 3001 extracted from the report entitled ‘Mineral Resource and Ore Reserve Statements for Malu Underground Project at Prominent Hill’ released to the market on 30 June T 61 3 9288 0333 2014. The Company confirms it is not aware of any new information or data that F 61 3 9288 0300 materially affects the information included in the report and that all material E [email protected] assumptions and technical parameters underpinning the estimates continue to www.ozminerals.com apply and have not materially changed. OZMINERALS.COM