Trevali Mining Announces $20 Million Bought-Deal Financing

VANCOUVER, BRITISH COLUMBIA--(Marketwired - May 20, 2015) -

NOT FOR DISTRIBUTION TO UNITED STATES NEWSWIRE SERVICES OR FOR DISSEMINATION IN THE UNITED STATES

Trevali Mining Corporation ("Trevali" or the "Company") (TSX:TV)(LMA:TV)(OTCQX:TREVF)(FRANKFURT:4TI) announces that it has entered into an agreement with Dundee Securities Ltd. on behalf of a syndicate of underwriters (together, the "Underwriters"), to purchase on a "bought deal" basis by way of short form prospectus, 19,610,000 common shares of the Company ("Shares") subject to all required regulatory approval at a price per Share of $1.02 (the "Issue Price") for gross proceeds of $20,002,200 (the "Offering").

The Underwriters have been granted an option to purchase up to an additional 15% of the Offering, exercisable in whole or in part at any time up to 30 days after the closing of the Offering (the "Option").

The Offering is scheduled to close on or about June 11, 2015. The Offering is subject to a number of conditions, including, without limitation, receipt of all regulatory approvals.

The net proceeds of the Offering will be used to accelerate the ramp-up process and expedite optimization initiatives at the Company's Caribou Zinc mine during commissioning, and for working capital and general corporate purposes.

The Shares will be offered by way of a short form prospectus to be filed in all of the provinces of Canada, excluding Quebec, pursuant to National Instrument 44-101 - Short Form Prospectus Distributions.

This press release is not an offer or a solicitation of an offer of securities for sale in the United States. The Shares have not been and will not be registered under the U.S. Securities Act of 1933, as amended, and may not be offered or sold in the United States absent registration or an applicable exemption from registration.

ABOUT TREVALI MINING CORPORATION

Trevali is a zinc-focused, base metals mining company with one producing operation in Peru and another currently undergoing commissioning in Canada.

In Peru, the Company is actively producing zinc and lead-silver concentrates from its 2,000-tonne-per-day Santander mine.

In Canada, Trevali owns the Caribou mine and mill, Halfmile mine and Stratmat deposit all located in the Bathurst Mining Camp of northern New Brunswick. The Company is currently commissioning its 3,000-tonne-per-day Caribou mine.