Trevali Mining Shares Listed on the Lima Stock Exchange

VANCOUVER, BRITISH COLUMBIA--(Marketwire - June 15, 2011) -Trevali Mining Corporation ("Trevali" or the "Company") (TSX:TV)(OTCQX:TREVF)(BVLAC:TV) is pleased to announce that its common shares have been approved for trading on the Main Board of the Bolsa de Valores de Lima ("BVL") in Peru and has commenced under the ticker symbol "TV". Kallpa Securities S.A.B. in Lima, Peru acted as Trevali's advisor for the listing.

"Trevali's Main Board listing on the Lima Stock Exchange provides greatly increased investor exposure as the Company is rapidly advancing both its Halfmile Zinc Mine Project in New Brunswick, Canada and the Santander Zinc Mine Project in Peru towards production," stated Dr. Mark Cruise, Trevali's President and CEO. "With the planned purchase of Breakwater Resources Ltd. by Nyrstar NV announced today for approximately $663 million, Trevali is uniquely positioned as one of the few remaining near-term zinc-lead-silver development companies in the Americas. We are pleased to provide Peruvian and other South American funds, institutions and retail investors with the opportunity to participate in exciting growth potential in Trevali's zinc-lead-silver mine development programs currently underway and look forward to increasing the shareholder base throughout Latin America."

The BVL, along with the Stock Exchanges of Chile and Colombia, recently launched the Mercado Integrado Latinoamericano (MILA), an integrated stock exchange of the three countries. The initiative has created the largest market in Latin America in terms of number of companies listed and the second largest based on market capitalization.

Peru is among the world's top producers of silver, zinc, copper and gold, copper, silver and zinc and it has an extensive history of mining and investment in mining. The BVL is one of Latin America's most important stock exchanges and mining companies constitute a significant component of its market. Additional information (in Spanish) about the BVL may be found at www.bvl.com.pe.

ABOUT TREVALI MINING CORPORATION

Trevali is advancing two polymetallic deposits to production in Canada and Peru – the Halfmile and Santander projects respectively. In Canada, Trevali has the Halfmile and Stratmat polymetallic deposits near Bathurst, New Brunswick, and the Ruttan copper-zinc deposit in northern Manitoba. Mine development is underway at Halfmile with a proposed production at a rate of 2,000-tonnes-per-day anticipated to commence in 2011. In Peru, the Company has the Santander zinc-lead-silver mine project and the Huampar silver mine both located in the Central Peruvian Polymetallic Belt.

At Santander, in conjunction with Glencore International A.G., mine commissioning and production is anticipated to commence at 2,000-tonne-per-day in late 2011 with full production to follow immediately thereafter. Additionally through its subsidiary Trevali Renewable Energy Inc., Trevali is undertaking a significant upgrade of its wholly-owned Tingo run-of-river hydroelectric generating facility along with transmission line upgrades and extensions to allow, in addition to supplying power to the mining operation on the property, the potential sale of surplus power into the Peruvian National Energy Grid.

The common shares of Trevali are currently listed on the TSX (symbol TV). For further details on Trevali, readers are referred to Trevali's web site (www.trevali.com) and to Canadian regulatory filings on SEDAR at www.sedar.com.

Qualified Person and Quality Control/Quality Assurance

EurGeol Dr. Mark D. Cruise, Trevali's President and CEO and a qualified person as defined by National Instrument 43-101, has supervised the preparation of the scientific and technical information included in this news release. Dr. Cruise is not independent of the Company, as he is an officer and shareholder.

On Behalf of the Board of Directors of TREVALI MINING CORPORATION

"Mark D. Cruise" (signed)
Mark D. Cruise, President

This news release contains "forward-looking statements" within the meaning of the United States private securities litigation reform act of 1995 and "forward-looking information" within the meaning of applicable Canadian securities legislation. 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 and the company does not intend, and does not assume any obligation to, update such statements containing the forward-looking information. Such forward-looking statements and information include, but are not limited to statements as to: the accuracy of estimated mineral reserves and resources, anticipated results of future exploration, and forecast future metal prices, anticipated results of future electrical sales and expectations that environmental, permitting, legal, title, taxation, socio-economic, political, marketing or other issues will not materially affect estimates of mineral reserves. 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.

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. Many factors, both known and unknown, could cause actual results, performance or achievements to be materially different from the results, performance or achievements that are or may be expressed or implied by such forward-looking statements contained in this news release and the company has made assumptions and estimates based on or related to many of these factors. Such factors include, without limitation: fluctuations in spot and forward markets for silver, zinc, base metals and certain other commodities (such as natural gas, fuel oil and electricity); fluctuations in currency markets (such as the Peruvian sol versus the U.S. dollar); risks related to the technological and operational nature of the Company's business; changes in national and local government, legislation, taxation, controls or regulations and political or economic developments in Canada, the United States, Peru or other countries where the Company may carry on business in the future; risks and hazards associated with the business of mineral exploration, development and mining (including environmental hazards, industrial accidents, unusual or unexpected geological or structural formations, pressures, cave-ins and flooding); risks relating to the credit worthiness or financial condition of suppliers, refiners and other parties with whom the Company does business; inadequate insurance, or inability to obtain insurance, to cover these risks and hazards; employee relations; relationships with and claims by local communities and indigenous populations; availability and increasing costs associated with mining inputs and labour; the speculative nature of mineral exploration and development, including the risks of obtaining necessary licenses and permits and the presence of laws and regulations that may impose restrictions on mining,; diminishing quantities or grades of mineral reserves as properties are mined; global financial conditions; business opportunities that may be presented to, or pursued by, the Company; the Company's ability to complete and successfully integrate acquisitions and to mitigate other business combination risks; challenges to, or difficulty in maintaining, the Company's title to properties and continued ownership thereof; the actual results of current exploration activities, conclusions of economic evaluations, and changes in project parameters to deal with unanticipated economic or other factors; increased competition in the mining industry for properties, equipment, qualified personnel, and their costs. Investors are cautioned against attributing undue certainty or reliance on forward-looking statements. Although the Company has attempted to identify important factors that could cause actual results to differ materially, there may be other factors that cause results not to be as anticipated, estimated, described or intended. The Company does not intend, and does not assume any obligation, to update these forward-looking statements or information to reflect changes in assumptions or changes in circumstances or any other events affecting such statements or information, other than as required by applicable law.