Calvista updates as a follow up to its August 23, 2011 and December 21, 2011 press releases, that the Servicio Geológico Colombiano, formerly Ingeominas, Colombia's mining authority, by Resolution GTRB-021 dated January 25, 2012, transferred the remaining 40% interest in License 090-68 (El Carmen) to Calvista's wholly owned subsidiary Sociedad Minera Calvista Colombia, S.A.S. ("Calvista Colombia"). With this
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