Argentex Appoints Rob Henderson as Director

Argentex Mining Corporation ("Argentex" or the "Company") (TSX VENTURE:ATX)(OTCQB:AGXMF) is pleased to announce the appointment of Rob Henderson to the Company's board of directors, effective August 1, 2012.

Mr. Henderson, a professional engineer with an MBA, brings close to 30 years of international experience operating, building and acquiring mineral properties. Mr. Henderson recently was appointed COO of Amerigo Resources Ltd, after eight years with Kinross Gold Corporation where he attained the position of Senior Vice President Technical Services responsible for energy, mine planning, mineral resources and reserves. Prior to Kinross, Mr. Henderson worked in mine operations with Rand Mines and De Beers, and then with SNC Lavalin and Hatch delivering engineering services to international mining clients.

"We welcome the addition of Mr. Henderson to the board of directors, and believe his extensive international technical experience will bring significant value to the company as we continue to evaluate our assets in Argentina," commented Stephen Hanson, Director of Argentex.

About Argentex

Argentex Mining Corporation is an exploration company focused on advancing its Pinguino silver-gold project in Santa Cruz, Argentina. In total, Argentex owns 100% of the mineral rights to more than 35 properties located within approximately 307,981 acres (124,636 hectares) of highly prospective land located in the Santa Cruz and Rio Negro provinces.

Shares of Argentex common stock trade under the symbol ATX on the TSX Venture Exchange and under the symbol AGXMF on the OTCQB.

On behalf of Argentex Mining Corporation:

Stephen Hanson, Director

Statements in this news release that are not historical facts are forward-looking statements that are subject to risks and uncertainties. Words such as "expects", "intends", "plans", "may", "could", "should", "anticipates", "likely", "believes" and words of similar import also identify forward-looking statements. Forward-looking statements in this news release include the Company's expectation that Mr. Henderson's extensive international technical experience will bring significant value. Actual results may differ materially from those currently anticipated due to a number of factors beyond the Company's control. These risks and uncertainties include, among other things, the availability of the Company's consultants and risks that are inherent in Argentex's operations. These and other risks are described in the Company's Annual Information Form and other public disclosure documents filed on the SEDAR website maintained by the Canadian Securities Administrators and the EDGAR website maintained by the Securities and Exchange Commission.

Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

Contacts:
Argentex Mining Corporation
Peter A. Ball
Executive Vice President of Corporate Development
604-568-2496 (ext. 103) or 1-888-227-5285 (ext. 103)
604-568-1540 (FAX)
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www.argentexmining.com