Trevali Reports Q1-2014 Santander Mine Production

VANCOUVER, BRITISH COLUMBIA--(Marketwired - April 14, 2014) - Trevali Mining Corporation ("Trevali" or the "Company") (TSX:TV)(OTCQX:TREVF)(LMA:TV)(FRANKFURT:4TI) reports preliminary production results for its first quarter 2014, ended March 31, 2014, of approximately 14.6 million payable pounds of zinc, 5.4 million payable pounds of lead and 268,600 payable ounces of silver from the Santander Mine in Peru.

Average recoveries for the inaugural commercial production quarter were 87% for zinc, 86% for lead and 74% for silver reflecting ongoing optimization and improvements over Q4-2013 mill performance. Q1-2014 throughput at the 2,000-tonne-per-day-rated Santander processing complex was 173,820 tonnes, delivering a mill utilization factor of 99.8%. Average head grades of 4.76% Zn, 1.9% Pb and 1.97 oz/ton Ag were realized to produce approximately 15,640 tonnes of zinc concentrate and 4,510 tonnes of lead-silver concentrate.

Table 1: Santander Mine production statistics

	Q1-2014	Q4-2013
Tonnes mined	156,030	n/a1
Tonnes milled	173,820	178,300
Average head grades: Zinc Lead Silver	4.76% 1.90% 1.97 oz/ton	4.61% 1.83% 1.76 oz/ton
Average recoveries: Zinc Lead Silver	87% 86% 74%	83% 84% 71%
Concentrate produced DMT (dry metric tonnes): Zinc Lead-Silver	15,640 4,510	13,800 4,900
Payable metal production: Zinc (pounds) Lead (pounds) Silver (troy ounces)