Pan American Silver Corp. is Canada-based Company engaged in the operation and development and exploration for silver producing properties and assets. Pan American�s principal product is silver, although gold, zinc, lead, and copper are also produced and sold. The Company carried on mining operations or was developing mining projects in Mexico, Peru, Argentina and Bolivia, and had control over non-producing silver assets. Huaron is an underground polymetallic silver mine located in the department of Pasco, in the Peruvian central Andes. Alamo Dorado is an open pit silver-gold mine located in the Sierra Madre mountain range in Sonora, Mexico and was acquired by Pan American in 2003 (upon completion of the acquisition of Minera Corner Bay).