Rio Alto Mining is a Canadian based resource company operating the La Arena gold / copper project, located in north central Peru. Management expects that the La Arena Gold Mine will produce 150,000 to 160,000 of gold at a total cash cost of $600 to $650 per ounce for the year ended December, 2012. May 14, 2012, Rio Alto Reports Earnings of $0.19 per Share for Q1 2012 more. April 27, 2012, Annual General and Special Meeting of Shareholders to be held on May 10, 2012 more.