PRODUCER AND DEALER PRICES (December 20, 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$13.40/t; Northern Appalachian, US$69.50/t; US EIA metallurgical, US$159.53/t. CME Group Central Appalachian Coal Futures Jan. 2011: US$67.82; Feb. 2011: US$68.00

Cobalt: Recent trades US$16.00-18.00/lb.

Copper: Comex Copper Futures Jan. 2010: US$4.162/lb.; Comex Feb. 2011: $4.164/lb.

Indium: Mid-mkt US$566.66/kg.

Iridium: Mid-mkt US$770.00/tr. oz.

Magnesium: Mid-mkt US$3,175.00/t.

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

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

Molybdenum: Oxide, recent trades US$15.80-16.10/lb.

Rhodium: Mid-mkt US$2,295.00/tr. oz.

Ruthenium: Mid-mkt US$175.00/tr. oz.

Selenium: Mid-mkt US$42.00/lb.

Silver: Base: US$29.63; Fabricated: US$35.55; Sterling: US$27.47

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

Tin: Kuala Lumpur Tin Market, US$25.93/kg.

Tungsten: APT Tungstate mid-mkt: US$296.25 per mtu

Uranium: U3O8, Uranium Exchange Co. spot price: NA; Trade Tech spot price US$60.50/lb.

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

Prices current Dec. 15, 2010