OZ MINERALS CITI S 4 TH AUSTRALIAN INVESTMENT CONFERENCE OCTOBER

OZ MINERALS CITI S 4 TH AUSTRALIAN INVESTMENT CONFERENCE OCTOBER 2012 WWW.OZMINERALS.COM

DISCLAIMER This presentation has been prepared by OZ Minerals Limited ( OZ Minerals ) and consists of written materials/slides for a presentation concerning OZ Minerals. By reviewing/attending this presentation, you agree to be bound by the following conditions. No representation or warranty, express or implied, is made as to the fairness, accuracy, or completeness of the information, contained in the presentation or of the views, opinions and conclusions contained in this material. To the maximum extent permitted by law, OZ Minerals and its related bodies corporate and affiliates, and its respective directors, officers, employees, agents and advisers disclaim any liability (including, without limitation any liability arising from fault or negligence) for any loss or damage arising from any use of this material or its contents, including any error or omission there from, or otherwise arising in connection with it. Some statements in this presentation are forward-looking statements within the meaning of the US securities laws. Such statements include, but are not limited to, statements with regard to capacity, future production and grades, projections for sales growth, estimated revenues and reserves, targets for cost savings, the construction cost of new projects, projected capital expenditures, the timing of new projects, future cash flow and debt levels, the outlook for minerals and metals prices, the outlook for economic recovery and trends in the trading environment and may be (but are not necessarily) identified by the use of phrases such as will, expect, anticipate, believe and envisage. By their nature, forward-looking statements involve risk and uncertainty because they relate to events and depend on circumstances that will occur in the future and may be outside OZ Minerals control. Actual results and developments may differ materially from those expressed or implied in such statements because of a number of factors, including levels of demand and market prices, the ability to produce and transport products profitably, the impact of foreign currency exchange rates on market prices and operating costs, operational problems, political uncertainty and economic conditions in relevant areas of the world, the actions of competitors, activities by governmental authorities such as changes in taxation or regulation. Given these risks and uncertainties, undue reliance should not be placed on forward-looking statements which speak only as at the date of the presentation. Subject to any continuing obligations under applicable law or any relevant stock exchange listing rules, OZ Minerals does not undertake any obligation to publicly release any updates or revisions to any forward looking statements contained in this presentation, whether as a result of any change in OZ Mineral s expectations in relation to them, or any change in events, conditions or circumstances on which any such statement is based. Certain statistical and other information included in this presentation is sourced from publicly available third party sources and has not been independently verified. OZ Minerals financial results are reported under International Financial Reporting Standards (IFRS). This presentation also includes certain non-ifrs measures including Underlying EBITDA, Underlying EBIT and Underlying NPAT. These measures are presented to enable understanding of the underlying performance of the Company without the impact of non-trading items such as impairment, impairment reversal and litigation settlement expense. Non-IFRS measures have not been subject to audit or review. All figures are expressed in Australian dollars unless stated otherwise. OZ MINERALS PAGE 2

OZ MINERALS WHY INVEST? Highly regarded, strongly performing Australian copper asset in Prominent Hill. Strong operating cash flows: $126.6 million, H1 2012. Significant cash balance, no debt: actively looking for value adding growth options. Developing project pipeline: Carrapateena copper project. Dividend Policy: 30 60% of annual normal operating profits. Track Record of Capital Management Capital Return and Buyback. Experienced operating, project and management team. Leverage to copper plus gold credits. Our strategy OZ MINERALS PAGE 3

OZ MINERALS - STRATEGY Why invest? Copper focus. Achieving consistent excellence in performance. Building a project pipeline. Major exploration commitment. Capital management discipline. OZ MINERALS PAGE 4

OZ MINERALS - SNAPSHOT Prominent Hill copper operation To average between 100,000t to 110,000t per annum of copper over LOM plus gold credits. In production since 2009. OZ MINERALS PAGE 5 Carrapateena Updated drilling results. Significant copper deposit exploration and studies underway. Growth strategy Looking to deploy cash balance for value adding opportunities - $750 million allocated for potential M&A. Exploration a focused program to add to the resource inventory at Prominent Hill and to upgrade resource status at Carrapateena (expected in Q1 2013). Exploration decline at Carrapateena to commence in early 2013*. Share price - $8.52. Market capitalisation ~ $2.5 billion. Issued share capital - 303.47 million. Shareholders: ~77,400 Shareholders Institutional 68% Retail 32% Australian 60% Offshore 40% Equity investments ~39% of Toro Energy. ~20% Sandfire Resources. ~9% IMX Resources. *Subject to receipt of permits and clearances.

SAFETY OZ Minerals Lost Time and Total Recordable Injury Frequency Rate 12 month moving average * 4 23 21 3 TRI Frequency Rate 19 17 15 2 LTI Frequency Rate 13 1 11 9 Sep-11 Oct-11 Nov-11 Dec-11 Jan-12 Feb-12 Mar-12 Apr-12 May-12 Jun-12 Jul-12 Aug-12 Sep-12 0 * Injuries per million man hours OZ Minerals TRIFR OZ Minerals LTIFR Continued improvement in lost time injury frequency rate (LTIFR). OZ MINERALS PAGE 6

H1 2012 FINANCIAL OVERVIEW Prominent Hill revenue of $514.8 million. OZ Minerals underlying EBITDA of $225.0 million, a reduction on the first half of 2011 due to; Lower realised prices for both copper and gold Higher costs due to increased material movement and depth of pit Increased expenditure on exploration including Carrapateena. OZ Minerals underlying NPAT of $119.5 million. Cash flow from operations $126.6 million. Cash balance of $651.1 million at 30 June 2012. Trade receivables balance at 30 June 2012 $207.0 million. OZ MINERALS PAGE 7

OZ MINERALS COMMODITIES & COPPER MARKET $ 4.2 Copper price $ 1,900 Gold price 3.9 1,800 3.7 1,700 3.4 1,600 3.2 1,500 2.9 Oct-11 Dec-11 Feb-12 Apr-12 Jun-12 Aug-12 Oct-12 Source: Bloomberg OZ MINERALS PAGE 8 US$/lb A$/lb Global Consumption and Mine Supply (Mt) 26 24 22 20 18 16 14 12 10 2009 2010 2011 2012f 2013f 2014f 2015f 2016f Global Consumption Mine Production Disruption Allowance Source: CRU International, Wood Mackenzie, Goldman Sachs Research Estimates 1,400 Oct-11 Dec-11 Feb-12 Apr-12 Jun-12 Aug-12 Oct-12 Source: Bloomberg US$/oz A$/oz Chinese GDP & copper consumption 1980-2010 kg Cu/capita 20 South Korea peak 18 Germany peak 16 14 Japan peak 12 US peak 10 China expected? 8 6 4 China current 2 0 0 5,000 10,000 15,000 20,000 25,000 30,000 35,000 40,000 GDP/capita at PPP Source: Global Insight, AME, McKinsey Global Institute, Wood Mackenzie, EIU, J.P. Morgan

SOUTH AUSTRALIA PROMINENT HILL & CARRAPATEENA Very favourable mining jurisdiction. Excellent infrastructure including: road and rail, grid power to site and water supply. Export route via Adelaide. Utilising containerised land transport from mine into ships hold. Highly competitive shipping times to Asia. Access to extensive, 8,000km 2, area of exploration ground in South Australia (including IMX JV ground). OZ MINERALS PAGE 9

PROMINENT HILL SITE Commissioned in February 2009. NORTHERN WASTE DUMP ROM PAD SOUTHERN WASTE DUMP MALU PIT ANKATA UNDERGROUND MINE TAILINGS DAM PROCESSING PLANT Flat terrain. Fly in fly out workforce competitive rosters and conditions, employee agreement in place until July 2015. Workforce of 1,200. High standard accommodation. VILLAGE Current operation open pit and underground mine. Ankata underground mine successfully ramped up during Q3 2012 to reach its annualised production rate of 1.2 million tonnes per annum. OZ MINERALS PAGE 10

PROMINENT HILL PRODUCTION & GUIDANCE Product: High grade (~50% Cu), high quality, copper concentrate. Production 2011: Production guidance 2012: Mine and Plant: 107,744t contained copper, 160,007oz gold. Contained copper 100,000t to 110,000t. Contained gold 130,000oz to 150,000oz. Open pit and underground mine, crush, grind, flotation. Cash costs: Competitive C1 cash costs US70.4c/lb for 2011. C1 cost guidance 2012: Workforce: US$1.10-US$1.20/lb. (increase primarily as a result of underground mining) Approximately 1,200 (including contractors). OZ MINERALS PAGE 11

PROMINENT HILL - DESIGN OF FINAL PIT CROSS SECTION: NORTH-SOUTH 0m Stage 1 100m 221m (Stage1) 200m Stage 2 280m (Current level) The Malu open pit will ultimately be 200 metres deeper than current level. Stage 3 Stage 4 333m (Stage2) 353m (Stage3) 300m 400m 473m (Stage4) 500m Geotechnical studies complete. Re-optimisation using flatter wall angles to increase stability. Additional 30Mbcm over five years. Remaining life of mine strip ratio now 5.5:1. 2012/2013 sees significant waste movement. OZ MINERALS PAGE 12

PROMINENT HILL Q3 2012 PROMINENT HILL PRODUCTION STATISTICS JUN 12 QTR SEP 12 QTR 2012 YTD MINED (TONNES) MALU ORE 1,699,331 1,712,058 5,356,806 MINED GRADE ANKATA ORE 76,559 130,441 224,653 WASTE 17,755,300 19,442,709 53,300,260 MALU COPPER (%) ANKATA COPPER (%) 1.27 1.19 1.19 2.74 3.19 3.03 GOLD (G/T) 0.53 0.49 0.50 ORE MILLED (TONNES) 2,425,495 2,433,836 7,319,728 MILLED GRADE COPPER (%) 1.20 1.18 1.21 GOLD (G/T) 0.59 0.60 0.60 RECOVERY COPPER (%) 87.7 89.6 88.9 COPPER CONCENTRATE PRODUCED CONTAINED METAL IN CONCENTRATES GOLD (%) 75.4 75.4 76.3 TONNES COPPER (TONNES) 51,465 49,633 156,420 25,521 25,738 78,441 GOLD (OZ) 34,475 35,111 108,473 Record tonnage movement for Prominent Hill with a 9% increase in open pit material mined. Implementation of several initiatives resulting in improved utilisation and efficiencies. Ankata successfully ramped up to reach annualised production rate of 1.2m tonnes with excellent grades achieved. 2012 production guidance of 100,000 to 110,000 tonnes of copper and 130,000 to 150,000 ounces of gold on track to be achieved. TOTAL CONCENTRATE SOLD (DM TONNES) 65,047 42,737 149,479 OZ MINERALS PAGE 13

PROMINENT HILL UNDERGROUND DEVELOPMENT Production commenced at Ankata with first stopes blasted in March 2012. Ankata underground mine successfully ramped up during Q3 2012 to reach its annualised production rate of 1.2 million tonnes per annum. Annual mine production of 1.2Mt of high grade copper ore contributing ~25,000t of copper and ~ 12,000oz of gold in concentrates. Expected life of the Ankata underground mine is 5 years. Average grade range for 2012 to be 2.3-2.8% copper. Total capital within 10% of budget at $148 million. OZ MINERALS PAGE 14

PROMINENT HILL: UNDERGROUND MINE DEVELOPMENT Distance between drives is approx. 30 metres. KATHLEEN IRENE GLADYS UPPER EVE LOWER EVE BESSIE Ankata Decline AUDREY Completed Development for 2012 Ankata successfully ramped up during the quarter. Mining commenced from Irene stope during the quarter and will provide a better guide to underground mining conditions and performance. Good metallurgical recoveries maintained with underground ore processing. OZ MINERALS PAGE 15

PROMINENT HILL: MALU EXPLORATION DECLINE UPDATE Exploration decline advanced to 1,042 metres, with 678 metres remaining. OZ MINERALS PAGE 16

PROMINENT HILL: PIT DESIGN & RESOURCES UNDERGROUND Now drilling from underground. Decline extension to provide access beneath pit completed by Q4 2012. Under pit resource drilling 2012/2013. Objective is to add 1-3 years mine life from immediate nearmine program. LEGEND Copper Domain Gold Domain Current Pit Shell Deeper infill drilling to follow with access. Final Pit Shell Underground Development OBLIQUE VIEW Exploration Decline OZ MINERALS PAGE 17

PROMINENT HILL: MALU TO BE DRILLED FROM UNDERGROUND Exploration drilling under the open pit commenced in late September. Initial objective is to add 1 to 3 years mine life at current production rate from immediate near mine exploration. LEGEND Copper Domain Gold Domain Current Pit Shell Final Pit Shell 100 mrl Underground Development Exploration Decline OBLIQUE VIEW OZ MINERALS PAGE 18 200 me Underground Drilling Zone

CARRAPATEENA: COPPER GOLD DEPOSIT IN SOUTH AUSTRALIA Acquired in May 2011. 250km south-east of Prominent Hill. Tenement package consists of over 1,070sq km. Large IOCG deposit similar to Prominent Hill. First drill results 1,060m @ 1.88% Cu. An initial Inferred Resource of 203Mt at 1.31% copper, 0.56g/t gold and 270ppm U 3 O 8 in the southern area of the Carrapateena deposit. OZ MINERALS PAGE 19

CARRAPATEENA: DECLINE DESIGN (SECTION VIEW) 5100RL OZ Minerals Board approved Exploration Decline in June 2012. -4475RL- -4100RL- West Exploration Access Drive Geotechnical Level 3 Geotechnical Level 2 Geotechnical Level 4 ~ 475 metres below surface Geotechnical Level 1 South East Exploration Access Drive Commencement in early 2013 Phase 1 includes, completion down to 625m for geotechnical testing by mid-2016. Exploration decline will continue to a depth of approximately 1,000m for further exploration access. LEGEND -3600RL- Exploration Decline Approved by OZ Minerals Board Development Subject to Further Approval by Board N OZ MINERALS PAGE 20

CARRAPATEENA: Q3 DRILLING & SIGNIFICANT ASSAY RESULTS (PLAN VIEW) Exploration Target Area April 2011 Chalcopyrite Zone DD12CAR090W 1 Exploration works continue to upgrade Inferred Resources to Indicated status. 17 holes completed for a total of 12,460m. DD12CAR084W 2 DD12CAR096 DD12CAR097 DD12CAR095 Bornite Zone DD12CAR092W2 & DD12CAR092 Outstanding results received this quarter from two holes: - 1,131.8m @ 1.52% Cu and 0.63g/t Au; - 1,492.3m @ 0.90% Cu and 0.38 g/t Au DD12CAR077W1 Bornite Zone DD12CAR100 DD12CAR078W1 DD12CAR094W1 DD12CAR108W1 High grade mineralisation extending beyond current resource envelope. DD12CAR107W1 Inferred Resource Area April 2011 OZ MINERALS PAGE 21 DD12CAR105W1 Work on accelerating the timeline for potential development of Carrapateena includes evaluation of a tunnel boring machine to develop the exploration decline.

CARRAPATEENA Q3 DRILLING RESULTS: DD12CAR084W2 ASSAYS (CROSS SECTION) 65m @ 4.48% Cu, 0.67 g/t Au, from 520m Hole DD12CAR084W2 1,131.8m @ 1.52% Cu and 0.63g/t Au 143m @ 2.65% Cu, 1.16 g/t Au, from 622m 60.8m @ 2.07% Cu, 1.22 g/t Au, from 772m 91m @ 1.79% Cu, 1.31 g/t Au, from 876m 74m @ 2.55% Cu, 0.39 g/t Au, from 992m Upper Bornite Zone Chalcopyrite Zone Continuous mineralisation extending beyond current resource envelope. 111.5m @ 2.96% Cu, 0.40 g/t Au, from 1302.9m Lower Bornite Zone Continuous mineralisation extending beyond current resource Looking North OZ MINERALS PAGE 22 *Intervals calculated using a 0.7% Cu cut-off grade and include up to 4m internal dilution.. Intersections are all down hole measurements.

CARRAPATEENA Q3 DRILLING RESULTS: DD12CAR090W1 ASSAYS (CROSS SECTION) Upper Bornite Zone Chalcopyrite Zone Looking West 89m @ 2.21% Cu, 1.12 g/t Au, from 1179m 44m @ 3.14% Cu, 0.44 g/t Au, from 1287m Hole DD12CAR090W1 1,492.3m @ 0.90% Cu and 0.38 g/t Au Continuous mineralisation extending beyond current resource envelope. Lower Bornite Zone 54.2m @ 2.15% Cu, 0.87 g/t Au, from 1335.6m 78m @ 2.88% Cu, 1.03 g/t Au, from 1398m 91m @ 1.01% Cu, 0.55 g/t Au, from 1737m OZ MINERALS PAGE 23 Continuous mineralisation extending beyond current resource *Intervals calculated using a 0.7% Cu cut-off grade and include up to 4m internal dilution.. Intersections are all down hole measurements.

CARRAPATEENA: REGIONAL EXPLORATION Reviewing the regional exploration data has produced a number of high quality, drill ready exploration targets. Logistics for drill testing regional targets currently underway. An in-house ground gravity survey has commenced to refine new targets prior to drilling. Drill target Planned Gravity Completed Gravity OZ MINERALS PAGE 24

COPAQUIRE (CHILE): SURROUNDING MINERS OZ Minerals has entered into a joint venture (JV) with International PBX Ventures Ltd. (PBX) on its 100% owned Copaquire project in Northern Chile. PBX shareholders approved the JV in early August. Copaquire in a highly prospective region surrounded by major mining houses. OZ Minerals to target porphyry copper style mineralisation. Drilling commenced in mid October. OZ MINERALS PAGE 25

CENTENARITO: LOCATOR OZ Minerals has entered into a joint venture (JV) with Cascadero Copper. For its Centenarito project in Northern Argentina. Drilling commenced in mid October 2012. OZ MINERALS PAGE 26

BUSINESS DEVELOPMENT VALUE-ADDING GROWTH Through exploration JVs and M&A remains an important focus. COMMODITY Copper or copper dominant mineralisation. SCALE 50,000t 150,000tpa production or future production potential. JURISDICTION Low to medium risk countries. TERMS 100% ownership or with partners depending on project. STAGE Advanced exploration, feasibility study, development, in production. OZ MINERALS PAGE 27

OZ MINERALS WHY INVEST? Our strategy Highly regarded, strongly performing Australian copper asset in Prominent Hill. Strong operating cash flows: $126.6 million, H1 2012. Significant cash balance, no debt: actively looking for value adding growth options. Developing project pipeline: Carrapateena copper project. Dividend Policy: 30 60% of annual normal operating profits. Track Record of Capital Management Capital Return Buyback. Experienced operating, project and management team. Leverage to copper plus gold credits. OZ MINERALS PAGE 28

APPENDICES 1. PROMINENT HILL TENEMENT PACKAGE 2. PROMINENT HILL MILL PERFORMANCE 3. CARRAPATEENA 4. FINANCIAL INFORMATION

OZ MINERALS TENEMENT PACKAGE INCLUDING IMX JOINT VENTURE GROUND 4,000km 2 of 100% owned Prominent Hill ground. 3,000km 2 of IMX Joint Venture ground. LEGEND OZ Minerals tenements IMX tenements OZ MINERALS PAGE 30 Prominent Hill Mine

PROMINENT HILL PRODUCTION SUMMARY % Cu - Au g/t 2.0 2010-2012 Ore milled and grades tonnes 3,500,000 1.8 1.6 3,000,000 1.4 2,500,000 1.2 1.0 0.8 2,000,000 1,500,000 0.6 1,000,000 0.4 0.2 500,000 0.0 Q1 2010 Q2 2010 Q3 2010 Q4 2010 Q1 2011 Q2 2011 Q3 2011 Q4 2011 Q1 2012 Q2 2012 Q3 2012 - Ore Milled actual (dmt) Ore Milled name plate (dmt) Head Grade Au (g/t) Head Grade Cu (%) Consistent milling performance 25% above nameplate capacity. Plant availability 92%, Copper recoveries of 91%. OZ MINERALS PAGE 31

CARRAPATEENA: DEPOSIT LOOKING WEST (CROSS SECTION) In-fill drilling to be completed by end of 2012 and Inferred Resource & Target Range to be upgraded by Q1 2013. Chalcopyrite shell in yellow Exploration & Inferred Resource status area Exploration area Inferred resource: 203Mt @ 1.31% Cu, 0.56g/t Au, 270ppm U 3 O 8, 6g/t Ag Mineralisation deepens to the south Target range: 25-45Mt @ 1% Cu, 0.4g/t Au, 140ppm U 3 O 8, 4g/t Ag 0m 250m OZ MINERALS PAGE 32 Exploration & Inferred Resource status area Exploration area

MINING OPTIONS STUDY Options: Block caving. Inclined sublevel caving. Selective mining. Stoping at higher levels, then caving. Visual representation of the Carrapateena deposit Lower mining costs <$10/t $10-20/t $20-50/t Block caving Sublevel caving Sublevel open stoping Lower development costs OZ MINERALS PAGE 33

THREE MINING OPTIONS BLOCK CAVING SUB LEVEL OPEN STOPING SUB LEVEL CAVING OZ MINERALS PAGE 34

CARRAPATEENA COMPARABLE WITH OTHER GLOBAL BLOCK CAVES Cu % 2.00 1.75 Cu/Au grades and relative deposit size global block caves (Mt) Northparkes Lift 1 1.50 Oyu-Tolgoi Hugo North Lift Carrapateena 1.25 1.00 Northparkes Lift 2 Grasberg IOZ Northparkes E48 Grasberg DOZ Grasberg GBC 0.75 Bingham Canyon SE mine Bingham Canyon NE mine Wafi-Golpu Red Chris 0.50 0.25 Cadia East Ridgeway Deeps 0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 Au g/t Operating mines Development project Size = Reserves Mt * NB: Carrapateena based on target range not Resource or Reserve Source: OZ Minerals research OZ MINERALS PAGE 35

BLOCK CAVING INCREASINGLY COMMON Source: New Gold OZ MINERALS PAGE 36

CONSOLIDATED INCOME STATEMENT A$M Jun'12 Dec'11 Jun'11 Revenue 514.8 483.2 632.7 Cost of goods sold (240.8) (192.5) (210.8) Net foreign exchange gain/(loss) 2.2 38.0 (32.7) Exploration expense (47.7) (44.1) (33.6) Gain on sale of Cambodia 18.8 - - Other expenses (22.3) (30.1) (24.5) Underlying EBITDA 225.0 254.5 331.1 Depreciation and amortisation (74.1) (80.9) (83.3) Underlying EBIT 150.9 173.6 247.8 Net financing income 11.4 13.4 20.7 Income tax expense (42.8) (53.4) (79.4) Underlying NPAT 119.5 133.6 189.1 Litigation settlement expense - 18.2 (60.0) Impairment - - (15.2) NPAT 119.5 151.8 113.9 Lower average Copper price (14% down from 2011). Includes raw materials, consumables, direct employee costs, movements in inventory, freight and royalties. Prominent Hill, Carrapateena and foreign exploration. Corporate and site administration (ex. Employee costs). Lower ore mined reduced depreciation. Lower tax expense due to lower taxable income. Lower copper pricing and decreased gold production reduced revenue compared to 2011. Higher mining costs due to increased material movement and depth of pit. Sale of Cambodian assets to Renaissance Minerals Limited completed in H1 2012. OZ MINERALS PAGE 37

UNDERLYING EBIT A$M Variance Analysis - Underlying EBIT H1 2011 vs. H1 2012 350 300 250 Reduction in sales of copper (8%) and gold (28%). Increased mining costs due to volume increases, input costs and depth of pit. 200 150 14% reduction in US$ copper price. 2012: FX movement flat 2011: 5% stronger A$:US$. 100 Increased waste deferral, offset by drawdown of ROM stocks. Gain on disposal of Cambodia, partially offset by increased exploration activity. 50 MARKET DRIVEN CONTROLLABLE 0 247.8 (40.5) 1.8 35.3 244.4 (75.7) 59.9 (88.8) 11.1 150.9 2011 Underlying EBIT Copper Price Gold Price FX Sales Volume Non-Cash Costs Cash Costs Exploration/ Sale of Cambodia 2012 Underlying EBIT OZ MINERALS PAGE 38

CASH FLOW (A$M) Cash flow for the half year - June 2012 1,600 1,400 1,200 Timing of receivables and lower average commodity price. Consumables, contractors and employees. 1,000 Prominent Hill Carrapateena $22.4m $19.3m 800 600 Ankata Deferred waste Sustaining Thiess lease Cambodia sale $44.4m $65.5m $24.2m $34.1m ($7.8m) 400 200 886.1 408.2 (239.8) (159.9) (47.7) (1.4) 845.5 (94.3) (100.1) 651.1 Opening Cash Receipts from Customers Suppliers and employees PP&E / Investing Exploration Other Cash before distribution Dividend Share buyback Closing Cash OZ MINERALS PAGE 39

BALANCE SHEET A$M Consolidated Jun'12 Consolidated Dec '11 Assets Cash 651.1 886.1 Receivables 207.0 86.8 Inventories 276.9 297.1 Prepayment 9.9 7.1 Investments & exploration assets 519.1 502.0 PP&E and leased equipment 1,339.0 1,243.4 Total Assets 3,003.0 3,022.5 Liabilities Creditors 93.4 90.5 Current tax liability 24.7 16.2 Net deferred tax liability 128.0 100.2 Provisions 22.9 21.4 Total Liabilities 269.0 228.3 Net Assets 2,734.0 2,794.2 Decrease in cash balance from December due to share buyback and timing of sales receipts. Increase in debtors due to timing of shipments. Includes investment in Carrapateena and Sandfire shareholding. Increase due to timing differences on deferred mining. Balance sheet remains strong with significant cash holdings and no debt. US$200m debt facility remains undrawn and in place. OZ MINERALS PAGE 40

WITHIN THIS PRESENTATION REFERENCES TO EXPLORATION RESULTS RELATING TO PROMINENT HILL AND CARRAPATEENA THIS INFORMATION HAS BEEN APPROVED FOR RELEASE IN THE FORM AND CONTEXT IN WHICH IT APPEARS BY MR JIM HODGKISON BSC MBA WHO IS A FULL TIME EMPLOYEE OF OZ MINERALS AND HAS SUFFICIENT EXPERIENCE WHICH IS RELEVANT TO THE STYLE OF MINERALISATION AND TYPE OF DEPOSIT UNDER CONSIDERATION AND TO THE ACTIVITY UNDERTAKEN TO QUALIFY AS A COMPETENT PERSON AS DEFINED IN THE 2004 EDITION OF THE AUSTRALASIAN CODE FOR REPORTING OF EXPLORATION RESULTS, MINERAL RESOURCES AND ORE RESERVES. WITHIN THIS PRESENTATION REFERENCES TO EXPLORATION RESULTS RELATING TO PROMINENT HILL ARE BASED ON INFORMATION COMPILED BY MR MARCEL VAN ECK MSC WHO IS A FULL-TIME EMPLOYEE OF OZ MINERALS, IS A MEMBER OF THE AUSTRALIAN INSTITUTE OF GEOSCIENTISTS AND HAS SUFFICIENT EXPERIENCE RELEVANT TO THE STYLE OF MINERALISATION AND TYPE OF DEPOSIT UNDER CONSIDERATION AND TO THE ACTIVITIES UNDERTAKEN TO QUALIFY AS A COMPETENT PERSON AS DEFINED BY THE JORC CODE (2004). MR VAN ECK HAS CONSENTED TO THE INCLUSION OF THE MATERIAL IN THE FORM AND CONTEXT IN WHICH IT APPEARS. ALL OTHER REFERENCES TO EXPLORATION RESULTS WITHIN THIS PRESENTATION / STATEMENT ARE BASED ON INFORMATION COMPILED BY MR A HOUSTON BSC WHO IS A FULL-TIME EMPLOYEE OF OZ MINERALS, IS A MEMBER OF THE AUSTRALIAN INSTITUTE OF GEOSCIENTISTS AND HAS SUFFICIENT EXPERIENCE RELEVANT TO THE STYLE OF MINERALISATION AND TYPE OF DEPOSIT UNDER CONSIDERATION AND TO THE ACTIVITIES UNDERTAKEN TO QUALIFY AS A COMPETENT PERSON AS DEFINED BY THE JORC CODE (2004). MR HOUSTON HAS CONSENTED TO THE INCLUSION OF THE MATERIAL IN THE FORM AND CONTEXT IN WHICH IT APPEARS WITHIN THIS PRESENTATION REFERENCES TO EXPLORATION RESULTS RELATING TO PROMINENT HILL AND CARRAPATEENA. OZ MINERALS NOVEMBER 2009 PAGE 41