Minera Los Pelambres          
  2011 2010 2009 2008 2007
Payable copper in concentrate ('000 tonnes) 411.8 384.6 311.6 339.2 289.9
Payable moly in concentrate ('000 tonnes) 9.9 8.8 7.8 7.8 10.2
Average ore grade (%) 0.74 0.76 0.74 0.76 0.71
Plant throughput ('000 tonnes per day of ore) 176.6 159.4 129.2 136.8 126.3
Cash costs (cents per pound) 78.3 79.3 80.4 57.3 -10.8
           
Minera El Tesoro          
  2011 2010 2009 2008 2007
Copper cathodes ('000 tonnes) 97.1 95.3 90.2 90.8 93
Average ore grade (%) 1.26 1.10 1.25 1.16 1.23
Plant throughput ('000 tonnes per day of ore) 23.8 26.4 26.2 28.5 26.8
Cash costs (cents per pound) 171.6 169.2 123.4 144.7 109.8
           
Minera Michilla          
  2011 2010 2009 2008 2007
Copper cathodes ('000 tonnes) 41.6 41.2 40.6 47.7 45.1
Average ore grade (%) 1.18 1.03 0.96 1.06 1.03
Plant throughput ('000 tonnes per day of ore) 12.5 14.1 15.1 15.5 14.8
Cash costs (cents per pound) 213.3 183.8 157.6 191.1 143.5
           
Transport          
  2011 2010 2009 2008 2007
Rail tonnage transported ('000 tons) 6,419 6,184 6,335 5,644 5,008
Road tonnage transported ('000 tons) 1,896 1,919 1,505 1,353 1,313
           
Water          
  2011 2010 2009 2008 2007
Water volume sold - potable and untreated ('000 m3) 48,296 46,302 43,736 42,674 39,858