Sierra Metals strengthens management team with the appointment of Matthew Wunder as Vice President Exploration

TORONTO, July 27, 2015 /CNW/ - Sierra Metals Inc. (TSX: SMT) (BVL: SMT) ("Sierra Metals" or "the Company") is extremely pleased to announce that the Company has appointed Mr. Matthew Wunder as Vice President Exploration effective July 1, 2015.

Mr. Wunder is a Professional Geologist with over 25 years' international experience in mineral exploration with a tremendous track record.  Prior to forming a successful independent mining consultancy, Mr. Wunder held the position of Vice President Exploration with Rubicon Minerals from June 2007 until Dec 2013 where he was recognized and honored as Co-recipient of the Colin Spence award for Excellence in Global Mineral Exploration (AME-BC, 2010).  Prior to Rubicon Minerals, Mr. Wunder gained extensive experience in ore deposit exploration with various companies including Noranda (over 14 years), Antamina and Aur Resources.

Mr. Thomas Robyn will be retiring from his role as Senior Vice President Exploration after 11 years with Sierra Metals and will transition to a consultancy role with the Company.

Mark Brennan, President and CEO, commented: "We are extremely pleased to have Matt join Sierra Metals. Matt's extensive knowledge and experience with precious metal and polymetallic ore systems are uniquely tailored to exploit the considerable geological opportunities that the Company currently sees available at all of its operations" He continued, "On behalf of the Board and management, I would also like to take this opportunity to thank Thomas Robyn for his tireless dedication and outstanding efforts in developing and executing Sierra's exploration programs. We wish him all the best in his well-deserved retirement."

Alberto Arias, Chairman of the Board, also commented: "We want to thank Thomas for his very important contribution to Sierra Metals since the early stage of its inception. Thomas helped us to grow the company from a small pilot mining operation in Mexico to the levels of production that we have today, with three mines in commercial production in Peru and Mexico and a remarkable track record of resource and production growth." 

About Sierra Metals

Sierra Metals Inc. is a Canadian mining company focused on production of precious and base metals from its Yauricocha Mine in Peru, and its Bolivar Mine and Cusi Mine in Mexico. In addition, Sierra Metals is exploring several precious and base metals targets in Peru and Mexico. Projects in Peru include Adrico (gold), Victoria (copper-silver) and Ipillo (polymetallic) at the Yauricocha Property in the province of Yauyos and the San Miguelito gold properties in Northern Peru. Projects in Mexico include Bacerac (silver) in the state of Sonora and La Verde (gold) at the Batopilas Property in the state of Chihuahua.

The Company's shares trade on the Lima Stock Exchange (Bolsa de Valores de Lima) and on the TSX under the symbol "SMT".

Forward-Looking Statements

Except for statements of historical fact contained herein, the information in this press release may constitute "forward-looking information" within the meaning of Canadian securities law. Statements containing forward-looking information express, as at the date of this news release, the Company's plans, estimates, forecasts, projections, expectations or beliefs as to future events or results.  These statements reflect the Company's current views with respect to future events and are necessarily based upon a number of assumptions and estimates that, while considered reasonable by the Company, are inherently subject to significant business, economic, competitive, political and social uncertainties and contingencies. Actual results might differ materially from results suggested in any forward-looking statements. The Company assumes no obligation to update the forward-looking statements, or to update the reasons why actual results could differ from those reflected in the forward-looking statements unless required by securities laws applicable to the Company. Additional information identifying risks and uncertainties is contained in filings by the Company with the Canadian securities regulators, which filings are available at

SOURCE Sierra Metals Inc.

For further information: regarding Sierra Metals, please visit or contact: Mike McAllister, Director, Corporate Development, Sierra Metals Inc., 1 (866) 493-9646, Email:; Mark Brennan, President & CEO, Sierra Metals Inc., 1 (866) 493-9646


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