Americas Silver Corporation Declares Commercial Production at the San Rafael Mine


TORONTO,  ONTARIO—December  21,  2017—Americas  Silver  Corporation  (TSX:  USA)  (NYSE American:
USAS) (“Americas Silver” or the “Company”) is pleased to announce that the San Rafael mine (“San Rafael”), at  the  Company’s  Cosalá  Operations  in  Sinaloa,  Mexico,  has  successfully  completed  its  pre‐production phase and declared commercial production as of December 19, 2017.
Mine production at  San  Rafael is  currently  averaging  approximately  ,200 tonnes per  day and increasing as additional ore headings continue to be established. The Company’s Los Braceros mill began processing San  Rafael  ore  on  November  19,  2017  and  has  steadily  increased  throughput  and  recoveries.  It  has averaged approximately 1,400 tonnes per day through the pre‐production period with silver, zinc and lead recoveries within 5% of Company expectations and continues to improve. An accumulated pre‐production stockpile  of  approximately  23,000  tonnes  is  available  to  supplement  mill  feed  as  necessary.  The  mine  is initially targeting 1,500 tonnes per day of throughput in early Q1 2018 and expects to test the limits of the existing design capacity of the mill in the second half of 2018.

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