STILLWATER MINING COMPANY

Stillwater Mining Company is the only U.S. miner of platinum group metals (PGMs) and the largest primary producer of PGMs outside of South Africa and the Russian Federation. PGMs are rare precious metals used in a wide variety of applications, including automobile catalysts, fuel cells, hydrogen purification, electronics, jewelry, dentistry, medicine and coinage. The Company is engaged in the development, extraction and processing of PGMs from a geological formation in south-central Montana recognized as the J-M Reef. The Company also recycles PGMs from spent catalytic converters and other industrial sources. The J-M Reef is the only known significant source of PGMs in the United States and the highest-grade PGM deposit known in the world.