Probable Mineral Reserve Estimate
@ cut-off grade 0.150% Copper (excluding stockpiles)
At December 31, 2014 the total mineral reserve estimate for the Main Zone Optimization pit (MZO) was 42.2 million tonnes grading 0.327% copper. Mining this additional reserve will extend the mine life through 2022.
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The December 31, 2014 reserve estimate was prepared under the supervision of Kent Christensen, P.Eng., General Manager, designated as the Qualified Person as defined by NI 43-101. Refer to the 2011 Huckleberry Technical Report for a discussion of the key assumptions, parameters, and methods used to estimate mineral reserves and risks that could materially affect the potential development of the mineral reserves.