Red Tiger Mining Inc. announces that it intends to carry out, subject to the approval of the TSX Venture Exchange, a non-brokered private placement to, among other investors, insiders of the Company (“Insiders”) for gross proceeds of up to CAD$1,500,000 consisting of common shares of the Company at a price of CAD$0.10 per Share. The proceeds will be used by the Company for required capital expenditures and working capital at the Luz del Cobre mine, which is owned by the Company’s wholly-owned subsidiary, Minerales Libertad, S.A. de C.V.

Endeavour Silver Corp. announced today that the Company set new records for silver and gold production in the First Quarter, 2013 from the Company’s three operating silver mines in Mexico, the Guanacevi Mine in Durango State and the Bolanitos and El Cubo Mines in Guanajuato State.

Kinross Gold Corporation announced today that it has subscribed for 3,571,428 units of Revolution Resources Corp. pursuant to a non-brokered private placement. Each unit is comprised of one common share and one-half of one share purchase warrant, where each whole warrant will entitle the holder to acquire one common share at a price of CAD$0.125 for a period of two years following the closing of the private placement. After giving effect to the private placement, Kinross will hold 9,571,429 common shares and 4,785,714 share purchase warrants of Revolution, constituting approximately 9.67% of Revolution’s issued and outstanding common shares on a non-diluted basis, and 11.67% on a fully-diluted basis. The subscription price for the units is CAD$0.07 per unit for an aggregate purchase price of CAD$249,999.96.

Revolution Resources Corp. is pleased to announce that it has closed a private placement financing of 7,965,428 units at a price of $0.07 per unit for gross proceeds of $557,579.96. Each unit is comprised of one common share and one-half of one share purchase warrant, where each whole warrant will entitle the holder to acquire one common share at a price $0.125 for a period of two years following the closing of the financing.

Quaterra Resources Inc. announces that its audited Consolidated Financial Statements for the years ended December 31, 2012 and 2011 are now available on the company’s website at www.quaterra.com. The Consolidated Financial Statements were filed on SEDAR (www.sedar.com) and with the SEC (www.sec.gov) as part of the Company’s Annual Report on Form 20-F on March 28, 2013.

Avino Silver and Gold Mines Ltd. is pleased to announce the following Q1 and March 2013 production results from its San Gonzalo mine operation located on the Avino property near Durango, Mexico.

Kootenay Silver Inc. is pleased to announce SRK Consulting Inc. (U.S.) of Lakewood, Colorado has been commissioned to provide an updated, independent resource calculation on the Company’s flagship Promontorio Silver Project in Sonora, Mexico.