Updated Resource Estimate Reports Substantial Growth in Contained Metals for Paramount Gold and Silver’s San Miguel Project

Paramount Gold and Silver Corp. today released results from an updated NI 43-101- compliant resource estimate for its 100%-owned San Miguel Project in Mexico. The updated estimate was prepared by Mine Development Associates (MDA, www.mda.com) of Reno, Nevada and includes data from 139 new core drill holes totaling 37,925 meters completed during 2011 and the first half of 2012. Previous resource estimates used in this press release for comparison purposes were also prepared by MDA.

Torex Expands Gold-Copper-Silver Discovery South of the Balsas River

Torex Gold Resources Inc. is pleased to report that drilling results continue to expand the gold-copper-silver mineralization at its Media Luna discovery located south of the Balsas River, on the Morelos Project in Mexico. In addition, work is continuing on several other high potential targets south of the Balsas River.

MAG Silver Corp. Closes C$33.1 Million Private Placement

MAG Silver Corp. is pleased to announce that it has closed its private placement offering of 3,526,210 common shares at a price of C$9.40 per share for gross proceeds of approximately C$33.1 million. The common shares issued are subject to a four month hold period under applicable Canadian securities laws.

MAG Silver Receives Phase 2 Drill Permit and Completes 2012 Option Payment on Canasil’s La Esperanza Project in Durango and Zacatecas States, Mexico

Canasil Resources Inc. announces that MAG Silver Corp. has received the drill permit for the planned Phase 2 drill program at Canasil’s La Esperanza silver-zinc-lead project in Durango and Zacatecas States, Mexico. MAG has also completed the required CAD$150,000 option payment to Canasil for the third year of the option agreement and will now be required to spend an additional CAD$1,500,000 in exploration expenditures from September 1, 2012, to September 1, 2013, in order to maintain the agreement in good standing. A final option payment of CAD$200,000 will be required on September 1, 2013, together with additional exploration expenditures of CAD$1,750,000 by September 1, 2014, should MAG decide to continue and complete the earn-in of a 60% interest in the project under the agreement. MAG reported that drilling is expected to resume at La Esperanza during the third quarter 2012 to test the Fatima, San Pascual and Los Alamitos veins in the north-western part of the project area.

Mercator Minerals Announces Updated El Pilar Feasibility Study Results

Mercator Minerals Ltd. is pleased to announce the results of an updated feasibility study to the feasibility study completed November 2011, which further enhances the potential development of a robust, large-scale, low-cost copper mine at the El Pilar project (“Project”), located in a mining friendly jurisdiction of the northern Mexican state of Sonora.

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