Mount Kellett Capital Management is renewing efforts to have its nominees join the board of Baja Mining Corp. and force the resignation of chief executive John Greenslade.

Golden Minerals Company (NYSE Amex: AUMN) (TSX: AUM) (“Golden Minerals” or “the Company”) today provided an update of first quarter 2012 production at the Velardeña Operations along with updated production guidance for full year 2012

Esperanza Resources Corp. is pleased to announce that further to its press release of May 2, 2012 whereby it announced a private placement financing of up to 8,000,000 special warrants at a price of $1.25 per Special Warrant for gross proceeds of $10,000,000 that it is increasing the size of the Offering.

Scorpio Mining Corporation reports its financial and operating results for the first quarter ended March 31, 2012. This press release should be read in conjunction with the Corporation’s unaudited condensed interim consolidated financial statements and the Management’s Discussion and Analysis for the three months ended March 31, 2012 which are available on the Corporation’s website at www.scorpiomining.com and on SEDAR at www.sedar.com. All monetary figures are expressed in Canadian dollars unless otherwise specified.

Esperanza Resources Corp. is pleased to announce the appointment of Greg Smith as the new President and Chief Executive Officer and Laurence Morris as the new Chief Operating Officer of the Company. Both are highly experienced professionals previously involved with the success of Minefinders Corporation Ltd. including the recent $1.5 billion acquisition of Minefinders by Pan American Silver Corp. Mr. Smith has also been appointed to the Board of Directors of Esperanza. The Company is also pleased to announce that Marcel de Groot and Andrew Swarthout have been appointed to the Company’s Board of Directors to fill the vacancies created by the resignations of Steve Ristorcelli and George Elliot, who have resigned from the Board of Directors of Esperanza.

Oremex Silver Inc. announces that it has amended the terms of the proposed private placement initially announced by press release on April 16, 2012.