PRODUCER AND DEALER PRICES (December 13, 2010)

Antimony: Mid-mkt US$10,100/t.

Bismuth: Mid-mkt US$9.48/lb.

Cadmium: Mid-mkt US$1.85/lb.

Coal: EIA Central Appalachian thermal, US$71.15/t; Powder River Basin thermal, US$13.25/t; Northern Appalachian, US$69.50/t; US EIA metallurgical, US$159.53/t. CME Group Central Appalachian Coal Futures Jan. 2011: US$75.87; Feb. 2011: US$75.87

Cobalt: Recent trades US$16.00-17.50/lb.

Copper: Comex Copper Futures Jan. 2011: US$4.053/lb.; Comex Feb. 2011: $4.052/lb.

Indium: US$530.00-600.00/kg.

Iridium: Mid-mkt US$760.00/tr. oz.

Magnesium: Mid-mkt US$3,275.00/t.

Manganese: Mid-mkt US$3,350.00/t.

Mercury: Mid-mkt US$1,850.00/flask (76 lb.).

Molybdenum: Oxide, recent trades, US$15.80-16.20/lb.

Rhodium: Mid-mkt US$2,287.50/tr. oz.

Ruthenium: Mid-mkt US$170.00/tr. oz.

Selenium: Mid-mkt US$42.00/lb.

Silver: Base: US$30.12; Fabricated: US$36.14; Sterling: US$27.93

Tantalum: Ta2O5 ore, mid-mkt US$39.50/lb.

Tin: Kuala Lumpur Tin Market, US$25.48/kg.

Tungsten: APT Tungstate, Mid-mkt US$281.25 per mtu

Uranium: U3O8, Uranium Exchange Co. spot price: US$61.00; Trade Tech spot price: US$60.25/lb.

Ferrovanadium: Free Market V2O5, recent trades US$6.25- 6.75/lb.

Prices current Dec. 7, 2010