McEwen Mining Inc. (McEwen Mining), formerly US Gold Corporation, is engaged in the exploration for and production of precious metals in the United States, Mexico and Argentina. McEwen Mining�s operating segments include USA and Mexico. The Company holds an interest in numerous exploration and development stage properties and projects in Nevada, Mexico and Argentina, as well as a 49% equity interest in the gold-silver San Jose Mine in Santa Cruz Province, Argentina. The Company holds interests in approximately 1,631 square miles of mineral concessions in west central Mexico. Its primary property in Mexico is the El Gallo Complex, located in Sinaloa state on the Sierra Madre Trend, a geological area of gold and silver mineralization. The Company holds interests in approximately 254 square miles in Nevada, United States. On January 24, 2012, it acquired of Minera Andes Inc. (Minera Andes).