Pinnacle Silver and Gold Corp.

VANCOUVER, BRITISH COLUMBIA -- (Marketwire) -- 07/05/12 -- Colombian Mines Corporation (TSX VENTUIRE: CMJ)(FRANKFURT: X6C) ("Colombian Mines" or "the Company") - Pursuant to the terms and conditions of the Company's Stock Option Plan, 75,000 incentive stock options at an exercise price of $0.35 per share for a period of three years have been granted to a non-executive director of the Company.

About Colombian Mines [...]

Colombian Mines is pleased to announce that it is in receipt of the administrative act confirming the integration of the Company's Yarumalito project originally composed of six individual licenses into a single integrated license. The consolidation of Yarumalito is a very important and positive step for the Company that materially improves and simplifies management of exploration, development and production throughout the [...]

Colombian Mines today provided an update on its previously announced agreement with Teck Resources for a proposed non-brokered private placement and subsequent entry into an option agreement for the acquisition by Teck of up to a 70% joint venture interest in the Yarumalito project. The Private Placement was previously intended to close in two tranches with each closing conditional upon the completion of certain mining [...]

Colombian Mines announces recoveries of 96.4% of the contained gold, 97.8% of copper, 91.1% of silver and 96.8% of the zinc in metallurgical tests on mineralization from the Sabana Blanca zone at El Dovio. McClelland Laboratories, Inc. of Reno, Nevada supervised and conducted the tests using conventional milling and froth flotation techniques. Mr. Gene McClelland, a well known, highly respected metallurgist and principal [...]

Colombian Mines announces that, further to its news release of March 6, 2012, it has received acceptance for filing by the TSX Venture Exchange to extend the expiry and to reduce the exercise price of a total of 4,100,000 outstanding non-transferable share purchase warrants which were issued on March 22, 2010 in connection with a private placement. The original exercise price was $1.20 per share and the amended exercise [...]

Colombian Mines announces that it will be making application to the TSX Venture Exchange to extend the expiry and to reduce the exercise price of a total of 4,100,000 outstanding non-transferable share purchase warrants which were issued on March 22, 2010 in connection with a private placement. The original exercise price is $1.20 per share and the proposed amended exercise price is $0.90 per share. The original expiry is [...]

Colombian Mines is pleased to announce that, subject to regulatory approval, Teck Resources and the Company have entered into an agreement with a value of $15,500,000 to Colombian Mines and its shareholders. Teck will make a $1,000,110 "good faith" strategic investment in Colombian Mines by means of a non brokered private placement. Teck will then have the right, until May 31, 2012 to make further private placements in [...]

Colombian Mines is pleased to announce that saw cut channel sampling of mineralization exposed by a recent mudslide on the ridge above the Sabana Blanca adit has returned results averaging 10.42 grams gold per metric tonne, 20.7 grams silver per metric tonne, 2.34% copperand 2.23% zinc over 9 meters. These results, represent the up dip extension of high grade mineralization announced July 20, 2011 from the Sabana Blanca [...]

Colombian Mines is pleased to announce that saw cut channel sampling in the El Dovio property's Sabana Blanca Zone has expanded the sampled interval in the area of Trench 2, to 68 meters averaging 4.7 grams per metric tonne gold (g/T Au). This incorporates zones previously announced in Trench 2, including a subinterval that averages 27.4 g/T Au, 8.1 g/T Ag, 0.20% Cu and 0.60% Zn over 7 meters as well as the newly sampled [...]

Colombian Mines Corporation is pleased to announce that pursuant to the Company's Stock Option Plan, 655,000 incentive stock options exercisable at a price of $0.55 per share for a period of three years have been granted to certain officers and directors of the Company.