Trevali Mining Corporation reported production results for the month and year to date ended December 2013. The company announced that ongoing mineral processing plant commissioning, and zinc and lead-silver concentrate production from its Santander Zinc-Lead-Silver Mine in Peru continues to progress well as the operation approaches full production. During December, Santander mill throughput continued at full nameplate capacity of 2,000-tonnes-per-day, again giving an effective monthly plant utilization of 100%. Average head-grades for the month were 3.6% zinc, 1.5% lead and 1.4 oz/ton silver from a blend of underground feed, stockpiled surface material and higher-grade re-mined former tailings while the Company moves towards full underground production feed in the first quarter of 2014 when the Magistral North (including Rosa Zone) and Central production stopes are brought fully online. Additionally, concentrate shipments for December have resulted in approximately 3,900 tonnes of zinc concentrate and 2,300 tonnes of lead-silver concentrate delivered and sold to partner Glencore.

For the year, the company reported total production of 252,000 tonnes, Zinc concentrate of 16,700 tonnes and lead-silver concentrate of 5,200 tonnes.