OTTAWA, ONTARIO -- (Marketwire) -- 06/22/10 -- Paramount Gold and Silver Corp. (TSX: PZG)(NYSE Amex: PZG)(FRANKFURT: PG6) (WKN: A0HGKQ) ('Paramount') has entered into an agreement with X-Cal Resources Ltd. (TSX: XCL) ('X-Cal') to acquire all of the common shares of X-Cal in a transaction valued at approximately C$31.8 million (the 'Transaction' or the 'Paramount Transaction'). The Transaction has been unanimously
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