2012 Half Year Results Presentation - Antofagasta plc

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Esperanza• H1 2012 production of 68,200 tonnes of coppero more than doubled compared to 29,300 tonnes in H1 2011,reflecting increased throughput• During H1 2012 Esperanza has continued to optimise thereliability and performance of the operation• Currently two areas of focus:144.927.1114.153.365.372.476.579.770.459.1 61.7 58.9o Tailings thickeners – two additional thickeners planned to beinstalled during 2013Q1 '11 Q2 '11 Q3 '11 Q4 '11 Q1 '12 Q2 '12o Capacity of the grinding line – engineering study in progress toestablish additional equipment required. Work expected to takeplace through 2013 and into 2014• 2012 forecasts:o Approximately 160,000 tonnes copper and 240,000 ounces goldo Net cash costs: 75 c/lbThroughput (‘000 tpd)Cash Cost (cents per pound)6
105.6Weighted average cash cost including by-productcredits 2011H1 – 2012H1 (c/lblb)Competitive and stablecost position(4.8) (0.2)2.398.9(4.0)2011H1Los PelambresCommodity prices and cash costsEsperanzaEl TesoroMichilla2012H12011 copper cost curve (ranked(by C1)359373 373400327267 271300155 161129 1371201119932 8796 104 1022007 2008 2009 2010 2011 2012 H1Realised copper price (c/lb) Pre-credit cash costs (c/lb) Cash Cost (including by product credits)20010000% 50%100%ESP MLP MET MIC Antofagasta-1007
Page 1: 2012 Half Year Results Presentation
Page 4 and 5: Operational Results
Page 8 and 9: Pricing environment and outlook500L
Page 10 and 11: Financial highlights2012 H1 2011 H1
Page 12 and 13: Net income reconciliationNet income
Page 14 and 15: Consistently strong capitalreturnsD
Page 16 and 17: Growth opportunitiesGroup explorati
Page 18 and 19: Centinela Mining District(formerlyS
Page 20 and 21: Los Pelambres• Total mineral reso
Page 22 and 23: Conclusion• Strong operational pe
Page 24 and 25: Brief History1888Antofagasta Railwa
Page 26 and 27: Our business and strategy3. Growth
Page 28 and 29: Chile: OperationsGeographical locat
Page 30 and 31: Debt analysis (US$mUS$m)2,366492965
Page 32 and 33: Production and realisedprices analy
Page 34 and 35: Purchased ore2%Spare parts5%Sulphur
Page 36 and 37: Cash cost analysis2011 H1 vs. 2012
Page 38 and 39: Realised pricesand mark-toto-market
Page 40 and 41: Operations and projectsLos Pelambre
Page 42 and 43: Chile’s Antofagasta RegionTranspo
Page 44 and 45: Copper concentrates market• The p
Page 46 and 47: Reserves and resources(at 31 Decemb
Page 48 and 49: Antofagasta contactsLondon(Antofaga

2012 Half Year Results Presentation - Antofagasta plc

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