The Don Mario District

The Don Mario district has three main mineral deposits of which the largest, the Don Mario Lower Mineralized Zone (“LMZ”) low-cost gold mine, was depleted in the fourth quarter of fiscal 2009 after producing more than 420,000 ounces of gold. The second, the Las Tojas open-pit gold mine, was depleted in March 2011 after producing nearly 50,000 ounces of gold. The open-pit mine on the third deposit, the copper-gold-silver Upper Mineralized Zone (“UMZ”), started up in April of 2011 and reached commercial production in January 2012.

2012 production at UMZ was 13,065 ounces gold, 11,415,000 pounds copper and 599,617 ounces silver.

Production guidance for 2013 at UMZ is 12,000 ounces gold, 12,000,000 pounds copper and 650,000 ounces silver.
 




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