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Operational Highlights

  Years ended December 31,
  2017 2016 2015 2014
Fresh Tailings From El Teniente
Tonnes processed 43,718,322 42,031,933 44,472,506 44,951,132
Copper grade 0.12% 0.12% 0.12% 0.11%
Copper recovery 19.20% 19.60% 21.00% 21.40%
Copper produced (M lb) 21.78 21.09 23.79 24.17
         
Historic Tailings From El Teniente
Tonnes processed 22,658,605 20,639,169 11,629,680 12,928,382
Copper grade 0.249% 0.232% 0.224% 0.227%
Copper recovery 31.6% 31.1% 18.8% 22.8%
Copper produced (M lb) 39.27 32.75 10.78 14.74
         
Toll Processing From Maricunga (1)
Copper produced (M lb) 1.47 2.99 2.77 2.13
         
Total copper produced (M lb) 62.52 56.83 37.34 41.04
MVC’s copper price (US$/lb) 2.83 2.25 2.47 3.14
Cash cost (US$/lb)2 1.64 1.73 2.18 2.08

Notes:
1MVC had a tolling agreement with Compania Minera Maricunga for the processing of copper concentrates that expired in 2017.
2 Cash cost is a non-GAAP measure equal to the aggregate of smelting and refining charges, tolling costs net of inventory adjustments and administration costs, net of by-product credits.

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