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2012 Half Year Results Presentation - Antofagasta plc

2012 Half Year Results Presentation - Antofagasta plc

2012 Half Year Results Presentation - Antofagasta plc

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Cash cost (c/lb)Cash cost analysis – <strong>2012</strong> H12010H12011H1<strong>2012</strong> H1<strong>2012</strong> E<strong>2012</strong> EInitialUpdatedLos Pelambres 68.1 75.2 77.3 90.0 90.0Esperanza - 121.9 60.1 60.0 75.0El Tesoro 146.6 183.0 156.9 160.0 160.0Michilla 180.4 192.5 313.9 285.0 310.0Group weighted average net of by-products91.5 105.6 98.9 105.0 110.0Group weighted average (beforededucting by products)126.5 157.8 160.8 165.0 165.0Los Pelambres cash cost (c/lb)2010H12011H1<strong>2012</strong> H1<strong>2012</strong> E<strong>2012</strong> EInitialUpdatedOn-site and shipping 98.4 112.0 121.1 123.0 123.0Tolling charges 17.4 18.8 16.1 17.0 17.0Before by-product credits 115.8 130.8 137.2 140.0 140.0By-product credits (47.6) (55.5) (59.9) (50.0) (50.0) *After by-product credits 68.1 75.2 77.3 90.0 90.0Esperanza cash cost (c/lb)2011 H1 <strong>2012</strong> H1<strong>2012</strong> E<strong>2012</strong>EInitialUpdatedOn-site and shipping 255.3 174.3 178.0 183.0Tolling charges 15.5 17.50 17.0 17.0Before by-product credits 270.8 191.8 195.0 200.0By-product credits (148.9) (131.7) (135.0) (125.0) *After by-product credits 121.9 60.1 60.0 75.0* By-product credit forecasts are based on an average gold price of $1,650 per ounce and a molybdenumprice of US$11 per lb in H2 <strong>2012</strong>33

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