Day: February 12, 2013

Golden Minerals Company today provided a summary of its 2013 operating plan, projecting increased production in 2013 and positive gross margin at the Velardena Operations commencing in the third quarter, and of its program to define longer term operating and expansion plans for Velardena. The Company also announced its intent to solicit a partner to advance its El Quevar property in Salta, Argentina and to reduce El Quevar holding costs.

Xtierra Inc. is pleased to announce that it has engaged Runge Pincock Minarco, the world’s largest independent group of mining technical experts to take responsibility for the completion of the feasibility study work on its Bilbao project, located in the State of Zacatecas, Mexico and to act as Qualified Person in accordance with National Instrument 43-101.

Sierra Metals Inc. is pleased to announce that the Company has adopted a policy whereby it intends to declare and pay cash dividends on a quarterly basis. In respect of the year 2013, the Company intends to pay aggregate cash dividends of approximately $10 million.

Mexico City, February 11, 2013 – Under the resolutions adopted by the Annual Ordinary General Stockholders’ Meeting of GRUPO MÉXICO, S.A.B. de C.V. (the “Company”) held April 30, 2012, the Company reports to stockholders that the Board of Directors approved at its session held January 25, 2013 to issue the payment of a dividend, charged to the Company retained earnings account with funds from the net fiscal earnings account, of $0.26 (TWENTY-SIX MEXICAN PESO CENTAVOS) per outstanding Company share on single exhibition, as of Thursday, February 28, 2013 against Coupon Number 38 of the current Stock Certificate (2008 Issue). PLACE FOR THE PAYMENT OF DIVIDEND

Plata Latina Minerals Corporation is pleased to announce it has closed the private placement equity financing previously announced on January 18, 2013 with Canaccord Genuity Corp. The Company has issued 8,245,000 Units of the Company at an issue price of C$0.40 per Unit for gross proceeds of C$3,298,000.

Avino Silver and Gold Mines Ltd. is pleased to announce the following January 2013 production results from its San Gonzalo mine operation located on the Avino property near Durango, Mexico. The figures are highlighted by a 14% increase in silver production and 10% increase in gold production over December. Silver feed grades also increased, from 287 g/t in December to 315 g/t in January.

Mr. Lenic Rodriguez, President & CEO of Aurcana Corporation states: “I am very pleased to announce the appointment of Mr. Arthur H. Ditto as a board member of Aurcana. Mr. Ditto’s extensive mine operating experience, having served as President, CEO, and director of a number of major public mining companies, including Kinross Gold Corporation, will strengthen our leadership as we work to become a senior silver producer.”