PRODUCER AND DEALER PRICES (September 20, 2010)

Antimony: Mid-mkt US$9,766.66/t.

Bismuth: Mid-mkt US$8.45/lb.

Cadmium: Mid-mkt US$1.99/lb.

Coal: EIA Central Appalachian thermal, US$69.50/t; Powder River Basin thermal, US$14.50/t; Northern Appalachian, US$71.00/t; US EIA Sept. metallurgical, US$157.77/t. CME Group Central Appalachian Coal Futures Oct. 2010: US$60.92; Nov. 2010: US$61.45

Cobalt: Recent trades US$19.50-22.25/lb.

Copper: Comex Copper Futures Sept. 2010: US$3.373/lb.; Comex Oct. 2010: $3.381/lb.

Indium: Indium Corp., ingot, US$530.00-600.00/kg.

Iridium: Mid-mkt US$700.00/tr. oz.

Magnesium: Mid-mkt US$2,900.00/t.

Manganese: Mid-mkt US$2,800.00/t.

Mercury: Mid-mkt US$1,216.66/flask (76 lb.).

Molybdenum: Oxide, recent trades US$15.80-16.25/lb.

Rhodium: Mid-mkt US$2,112.50/tr. oz.

Ruthenium: Mid-mkt US$180.00/tr. oz.

Selenium: Mid-mkt US$38.00/lb.

Silver: Base: US$19.82; Fabricated: US$23.78; Sterling: US$18.38

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

Tin: Kuala Lumpur Tin Market, US$20.98/kg.

Tungsten: WO3 ore, mid-mkt US$18,975.00/t

Uranium: U3O8, Uranium Exchange Co. spot price US$45.00/ lb.; Trade Tech spot price US$45.50/lb.

Ferrovanadium: Free Market V2O5, recent trades US$6.00- 6.50/lb.

Prices current September 8, 2010