IRON ORE AND KEY MANGANESE
MINING COMPANY (GEMCO) 40% ownership (BHP Billiton owns 60% and has management control ) The mining operation at GEMCO extracts high grade manganese ore and accounts for more than 15% of the world's high grade ore production. Approximately 70% of its production is exported. Reserve life: 12 years 2 TASMANIAN ELECTRO METALLURGICAL COMPANY (TEMCO)