Anglo American Annual Report 2012

ORE RESERVES AND MINERAL RESOURCESCOPPERestimates as at 31 December 2012Copper – OperationsTonnes Grade Contained MetalMINERAL RESOURCES (1) Attributable % Classification 2012 2011 2012 2011 2012 2011Collahuasi (OP) 44.0 Mt Mt %TCu %TCu kt ktOxide and Mixed Measured – – – – – –Heap Leach Indicated 0.5 15.1 0.70 0.60 3 90Copper Measured and Indicated 0.5 15.1 0.70 0.60 3 90Inferred (in LOM Plan) 2.8 3.9 0.37 0.62 11 24Inferred (ex. LOM Plan) 8.5 0.3 0.62 0.61 53 2Total Inferred 11.3 4.2 0.56 0.62 63 26%TCu%TCuSulphide (2) Measured 4.6 1.2 0.75 0.78 35 9Flotation – direct feed Indicated 1,148.9 628.9 0.94 0.91 10,821 5,694Copper Measured and Indicated 1,153.6 630.1 0.94 0.91 10,856 5,704Inferred (in LOM Plan) 486.1 660.6 1.03 0.99 5,017 6,532Inferred (ex. LOM Plan) 2,654.9 1,944.6 0.92 0.91 24,441 17,676Total Inferred 3,141.0 2,605.3 0.94 0.93 29,458 24,208%Mo%MoMeasured 0.005 – 0 –Indicated 0.047 – 368 –Molybdenum Measured and Indicated 0.047 – 368 –Inferred (in LOM Plan) 0.016 – 76 –Inferred (ex. LOM Plan) 0.022 – 584 –Total Inferred 0.021 – 660 –%TCu%TCuLow Grade Sulphide (2) Measured 6.2 1.2 0.48 0.44 30 5Flotation – stockpile Indicated 265.9 152.5 0.46 0.46 1,233 698Copper Measured and Indicated 272.1 153.7 0.46 0.46 1,263 704Inferred (in LOM Plan) 361.6 579.0 0.45 0.44 1,616 2,564Inferred (ex. LOM Plan) 945.4 736.8 0.47 0.46 4,419 3,414Total Inferred 1,307.0 1,315.8 0.46 0.45 6,036 5,978%Mo%MoMeasured 0.012 – 1 –Indicated 0.021 – 25 –Molybdenum Measured and Indicated 0.021 – 26 –Inferred (in LOM Plan) 0.004 – 14 –Inferred (ex. LOM Plan) 0.005 – 44 –Total Inferred 0.005 – 58 –El Soldado (OP) 50.1 %TCu %TCuSulphide Measured 24.7 21.9 0.78 0.82 193 180Flotation (3) Indicated 7.7 18.8 0.72 0.72 55 135Measured and Indicated 32.4 40.7 0.77 0.77 248 315Inferred (in LOM Plan) 7.7 20.9 0.58 0.81 45 169Inferred (ex. LOM Plan) 6.4 12.7 0.53 0.71 34 90Total Inferred 14.1 33.6 0.56 0.77 79 260Oxide Measured 0.0 0.1 0.68 0.75 0 1Heap Leach Indicated 0.0 0.1 0.62 0.69 0 1Measured and Indicated 0.0 0.2 0.66 0.71 0 1Inferred (in LOM Plan) – – – – – –Inferred (ex. LOM Plan) 0.0 0.1 0.57 0.69 0 0Total Inferred 0.0 0.1 0.57 0.69 0 0Los Bronces (OP) 50.1 %TCu %TCuSulphide Measured 84.8 211.1 0.45 0.45 382 950Flotation (4) Indicated 897.6 922.9 0.40 0.43 3,590 3,968Copper Measured and Indicated 982.4 1,133.9 0.40 0.43 3,972 4,918Inferred (in LOM Plan) 212.0 83.7 0.48 0.58 1,018 485Inferred (ex. LOM Plan) 3,311.1 3,115.6 0.36 0.39 11,920 12,151Total Inferred 3,523.1 3,199.3 0.37 0.39 12,938 12,636%Mo%MoMeasured 0.005 – 4 –Indicated 0.009 – 81 –Molybdenum Measured and Indicated 0.009 – 85 –Inferred (in LOM Plan) 0.013 – 28 –Inferred (ex. LOM Plan) 0.008 – 265 –Total Inferred 0.008 – 293 –%TCu%TCuSulphide Measured – – – – – –Dump Leach (5) Indicated – – – – – –Copper Measured and Indicated – – – – – –Inferred (in LOM Plan) 173.2 114.4 0.28 0.26 485 298Inferred (ex. LOM Plan) – – – – – –Total Inferred 173.2 114.4 0.28 0.26 485 298%Mo%MoMeasured – – – –Indicated – – – –Molybdenum Measured and Indicated – – – –Inferred (in LOM Plan) 0.006 – 10 –Inferred (ex. LOM Plan) – – – –Total Inferred 0.006 – 10 –210 Anglo American plc Annual Report 2012