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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 known as the j-m reef. the j-m reef is the only known significant source of pgms in the u. s. and the highest-grade pgm resource known in the world. the company also recycles pgms from spent catalytic converters and other industrial sources. the company owns the marathon pgm-copper deposit in ontario, canada, and the altar porphyry copper-gold deposit located in the san juan province of argentina. the company’s shares are traded on the new york stock exchange under the symbol swc.