Pan American Energy Corp., an exploration stage company, engages in the acquisition, exploration, and development of mineral properties. It holds 100% interest in horizon lithium property covering an area of 17,334 acres located in the Big Smoky and Monte Cristo Basins of Esmeralda County, Nevada; and holds 90% interest in Big Mack lithium project situated in the Paterson Lake Area, Ontario, Canada. The company was formerly known as Golden Sun Mining Corp. The company is headquartered in Calgary, Canada.