TriMetals Mining Inc. Completes Very Positive NI 43-101 Compliant PEA at Gold Springs - Seite 3

The Company's common shares and Class B shares are listed on the Toronto Stock Exchange under the symbols "TMI" and "TMI.B" and the common shares and Class B shares also trade on the OTCQX market under the symbol "TMIAF" and "TMIBF". Additional information related to TriMetals Mining Inc. is available at www.trimetalsmining.com and on SEDAR at www.sedar.com.

Qualified Person

The information in this news release was derived from the Preliminary Economic Assessment on the Gold Springs Property, Utah/Nevada, USA dated April 30, 2014, authored by Lane and Associates and Kurt Katsura. Lane and Associates prepared the economic analysis in accordance with National Instrument 43-101 Standards of Disclosure for Mineral Projects (NI 43-101). Ms. Terre Lane, President of Lane and Associates is a "qualified person", as defined in NI 43-101, is "independent" of the Company, as defined in NI 43-101, and has reviewed and approved the technical information regarding the economic analysis in this release. The NI 43-101 compliant Technical Report supporting the PEA was filed on SEDAR on May 1, 2014.

Gold Equivalence: AuEq* was calculated using a gold/silver ratio of 57.14 to be consistent with that used for the previously reported resource estimate.

Forward-Looking Statements

The PEA was prepared to broadly quantify the Gold Springs project's capital and operating cost parameters and to provide guidance on the type and scale of future project engineering and development work that will be needed to ultimately define the project's likelihood of a positive feasibility determination and optimal production rate. It was not prepared to be used as a valuation of the project nor should it be considered to be a final feasibility study on which a commercial production decision could be made. The capital and operating cost estimates which were used have been developed only to an approximate order of magnitude based on generally understood capital cost to production level relationships, and although they are based on engineering studies, these are preliminary so the ultimate costs may vary widely from the amounts set out in the PEA. This could materially adversely impact the projected economics of the project. As is normal at this stage of a project, data in some areas was incomplete and estimates were developed based solely on the expertise of the Company's employees and consultants. At this stage of development for Gold Springs the criteria, methods and estimates are preliminary and result in a high level of subjective judgment being employed. There can be no assurance that the potential results contained in the PEA will be realized.