VANCOUVER, April 4, 2013 /PRNewswire/ - Wildcat Silver Corporation (TSX: WS) ("Wildcat") announces today that it has entered into a definitive agreement with Riva Gold Corporation (TSX-V: RIV) ("Riva") providing for the acquisition by Wildcat of all of the outstanding common shares of Riva in consideration for one common share of Wildcat for 4.7 common shares of Riva, as previously announced in Wildcat's March 4, 2013 press release. The transaction will be completed by way of the amalgamation of Riva and a wholly-owned subsidiary of Wildcat under the Business Corporations Act ( British Columbia). To facilitate efficient disclosure regarding Wildcat in Riva's information circular, the Company recently filed a notice to become qualified as a short-form prospectus issuer. The transaction is subject to customary conditions, including Riva shareholder approval. Full details of the transaction will be included in an information circular which will be mailed by Riva to Riva shareholders in connection with a special meeting of Riva shareholders to be held on May 3, 2013. About Wildcat Wildcat is a Canadian mineral exploration company focused on the development of its 80% owned Hermosa silver project located in Santa Cruz County, Arizona. The project currently has a preliminary economic assessment completed which estimates average annual production of over 15 million ounces of silver for the first five years and a 16 year mine life, making it one of the largest undeveloped silver projects in the USA. Hermosa's measured and indicated mineral resource consists of 194 million tonnes averaging 37.7 grams per tonne silver for a total of 236 million ounces of silver and an inferred mineral resource of 80 million tonnes averaging 30.9 grams per tonne silver for a total of 79 million ounces of silver as announced in the August 9, 2012 press release.