Stillwater Mining Company is engaged in the development, extraction, processing, smelting and refining of palladium, platinum and associated metals, such as platinum group metals (PGM) produced by mining a geological formation in south-central Montana, the J-M Reef and recycling spent catalytic converters and other industrial sources. The Company operates through five segments: Mine Production, PGM Recycling, Canadian Properties, South American Properties and All Other. The Mine Production segment consists of two business components: the Stillwater Mine and the East Boulder Mine. The PGM Recycling segment recycles spent catalyst material to recover the PGMs contained in the material. The Canadian Properties segment consists mainly of the Marathon mineral property assets. The South American Properties segment consists of the Peregrine Metals Ltd. assets. The All Other segment consists of assets, including investments, revenues, and expenses of various corporate and support functions.