Blue Coast co-author NI 43-101 supporting a significant increase in reserves at Capstone Mining’s Cozamin Operation in Mexico

Jun 5, 2018

Plant performance has been shown to track well the predicted metallurgy for the new resource as formulated by Blue Coast metallurgists. Capstone Mining Corp. today announced the results of an updated National Instrument 43-101 (“NI 43-101”) compliant Mineral Resource estimate for the Cozamin Mine in Zacatecas, Mexico (Table 1 below). Compared to the Mineral Resources as at December 31, 2017, this latest estimate converted or added an additional 115 thousand tonnes of copper in the Indicated category in the Mala Noche Footwall Zone (“MNFWZ”), reflecting all drilling for which assays have been received up to March 19, 2018. At a US$42 net smelter return (“NSR”) cut-off grade (“COG”), the Cozamin Mine’s total Measured and Indicated (“M&I”) copper Mineral Resources, including adjustments for mining to March 31, 2018, were 217 thousand tonnes of contained copper.
(See press release)

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