Mandalay Resources Corporation announced that its Board of Directors have approved changes to the company's senior management team. Effective March 19, 2013, Mark Sander has been promoted from Chief Operating Officer of the Company to President, Dominic Duffy, formerly General Manager, Cerro Bayo Operations has been promoted to Chief Operating Officer, and Kalenci Flores has been appointed General Manager, Cerro Bayo Operations. Prior to joining Mandalay, Mr. Flores worked for Coeur d'Alene Mines.