Hudbay Announces Collective Agreements with USW Unions in Manitoba

TORONTO, ONTARIO--(Marketwired - June 1, 2015) - HudBay Minerals Inc. ("Hudbay" or the "company") (TSX:HBM)(NYSE:HBM) announced today that new 3-year collective agreements have been ratified by the members of United Steelworkers ("USW") Local 7106 and USW Local 9338.

Combined, the two unions represent approximately 67% of Hudbay's 1,090 unionized employees at its Manitoba operations. USW Local 7106 represents production workers at the Manitoba operations and USW Local 9338 represents office and technical workers.

Negotiations are ongoing with four other unions and production continues at Hudbay's Manitoba operations. 180 members of the International Association of Machinists and Aerospace Workers, Local No. 1848 have been on strike since May 2, 2015.

Forward-Looking Information

This news release contains "forward-looking statements" and "forward-looking information" (collectively, "forward-looking information") within the meaning of applicable Canadian and United States securities legislation.

Forward-looking information includes information that relates to, among other things, the company's objectives, strategies, intentions and future financial and operating performance and prospects. Forward-looking information is not, and cannot be, a guarantee of future results or events. Forward-looking information is based on, among other things, opinions, assumptions, estimates and analyses that, while considered reasonable by the company at the date the forward-looking information is provided, inherently are subject to significant risks, uncertainties, contingencies and other factors that may cause actual results and events to be materially different from those expressed or implied by the forward-looking information. The material factors or assumptions that the company identified and were applied by it in drawing conclusions or making forecasts or projections set out in the forward looking information include, but are not limited to, the execution of its business strategy, including the successful commissioning and ramp-up of the Constancia project; the availability and implementation of a contingency plan for labour disruptions; and no significant and continuing adverse changes in general economic conditions or conditions in the financial markets.