Calvista Gold Corporation
TSX : CVZ

Calvista Gold Corporation

July 15, 2011 09:00 ET

Board of Directors of Calvista Gold Corporation Announce Management Changes

TORONTO, ONTARIO--(Marketwire - July 15, 2011) - Effective July 15, 2011 Calvista Gold Corporation (TSX:CVZ) announces that Michael D. Johnson will replace Gerald P. McCarvill as President and CEO of Calvista Gold Corporation ("Calvista"). Mr. McCarvill will remain on the Board of Directors of Calvista and will concentrate his efforts on Norvista Resources Corporation ("Norvista"), a privately held company actively involved in the resource sector.

Mr. Johnson was formerly President and CEO of Solvista Gold Corporation (TSX VENTURE:SVV) and COO of Calvista. He has 37 years of geological experience, including 18 years in senior management positions with several public mining companies. His experience ranges from grassroots exploration to mineral production. Mr. Johnson has participated in the discovery and development of mines at Mina Santa Rosa in Honduras and La Libertad in Nicaragua, as well as significant increases in mineral reserves at Mina Santa Rosa in Panama, Bonanza in Nicaragua, and El Limon in Colombia. Mr. Johnson has extensive capital markets experience and previously served as a consulting geologist with Norvista, a significant shareholder in Calvista.

Mr. Johnson received his Bachelor's of Sciences degree from the University of London in 1973 and has been a professional geologist accredited by the American Institute of Professional Geologists since 1992. He can be contacted at mjohnson@calvistagold.com.

ABOUT CALVISTA

Calvista is a mineral exploration company focused on the acquisition, exploration and development of mining properties, principally for precious metals in Colombia, South America. Calvista's California property is comprised of nine mining titles grouped into six non-contiguous blocks covering an area of approximately 168.98 hectares located in the California mining district, Department of Santander, in Colombia. Calvista is well funded and led by a management team with over 45 years of exploration and mining experience, principally in South and Central America. Calvista's head office is located in Toronto with its Colombian headquarters located in Bucaramanga. For further details on Calvista, its management team and properties, please refer to Calvista's web site (www.calvistagold.com). Calvista's Canadian regulatory filings can be found on SEDAR at www.sedar.com.

CAUTIONARY STATEMENT: This news release contains forward-looking information, which is not comprised of historical facts. Forward-looking information involves risks, uncertainties and other factors that could cause actual events, results, performance, prospects and opportunities to differ materially from those expressed or implied by such forward-looking information. Forward looking information in this news release includes, but is not limited to, Calvista's objectives, goals or future plans, the timing of the commencement of trading of Calvista's common shares and Warrants on the TSX, statements regarding the exploration results, potential mineralization, exploration and mine development plans, timing of the commencement of operations and estimates of market conditions. Factors that could cause actual results to differ materially from such forward-looking information include, but are not limited to, capital and operating costs varying significantly from estimates, the preliminary nature of exploration and metallurgical test results, delays in obtaining or failures to obtain required governmental, environmental or other project approvals, political risks, uncertainties relating to the availability and costs of financing needed in the future, changes in equity markets, inflation, changes in exchange rates, fluctuations in commodity prices, delays in the development of projects and the other risks involved in the mineral exploration and development industry, and those risks set out in Calvista's public documents filed on SEDAR. Although Calvista believes that the assumptions and factors used in preparing the forward-looking information in this news release are reasonable, undue reliance should not be placed on such information, which only applies as of the date of this news release, and no assurance can be given that such events will occur in the disclosed time frames or at all. Calvista disclaims any intention or obligation to update or revise any forward-looking information, whether as a result of new information, future events or otherwise, other than as required by law.

Neither the TSX nor its Regulation Services Provider (as that term is defined in the policies of the TSX) accepts responsibility for the adequacy of this release. No stock exchange, securities commission or other regulatory authority has approved or disapproved the information contained herein.

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