TORONTO, ONTARIO -- (Marketwire) -- 11/21/11 -- US Gold Corporation ("US Gold") (NYSE:UXG)(TSX:UXG) and Minera Andes Inc. ("Minera Andes") (TSX:MAI)(OTCBB:MNEAF)are pleased to announce that they have established a record date and a meeting date for the special meeting of shareholders to consider and vote upon certain matters relating to the previously-announced arrangement agreement dated September 22, 2011, pursuant to which it is proposed that US Gold and Minera Andes will combine to form McEwen Mining Inc.

US Gold and Minera Andes shareholders of record at the close of business on the record date, December 12, 2011, will be entitled to notice of and to vote at the special meeting.

The special meeting will be held in Toronto on January 19, 2012. The venue will be announced shortly.

ABOUT US GOLD (www.usgold.com)

US Gold's objective is to qualify for inclusion in the S&P 500 by 2015. US Gold explores for gold and silver in the Americas and is advancing its El Gallo Project in Mexico and its Gold Bar Project in Nevada towards production. US Gold's shares are listed on the NYSE and the TSX under the symbol UXG, trading 1.9 million shares daily during the past twelve months. US Gold's shares are included in S&P/TSX and Russell indices and Van Eck's Junior Gold Miners ETF. Rob McEwen, Chairman and CEO, owns 20% of the shares of US Gold.

ABOUT MINERA ANDES (www.minandes.com)

Minera Andes is an exploration company exploring for gold, silver and copper in Argentina with three significant assets: a 49% interest in Minera Santa Cruz SA, owner of the San Jose Mine in close proximity to Goldcorp's Cerro Negro project; 100% ownership of the Los Azules copper deposit and 100% ownership of a large portfolio of exploration properties in Santa Cruz province, Argentina, including properties bordering the Cerro Negro project in Santa Cruz Province. At September 30, 2011, Minera Andes had $45.0 million in cash and cash equivalents and short-term investments and is debt free. Rob McEwen, Chairman and CEO, owns 30% of the shares of Minera Andes.