PRODUCER AND DEALER PRICES (August 23, 2010)

Antimony: Mid-mkt US$9,350.00/t.

Bismuth: Mid-mkt US$8.38/lb.

Cadmium: Mid-mkt US$1.94/lb.

Coal: EIA Central Appalachian thermal, US$67.85/T; Powder River Basin thermal, US$15.35/T; Northern Appalachian, US$62.75; US EIA Sept. metallurgical, US$157.77/t. CME Group Central Appalachian Coal Futures Sept. 2010: US$67.27; Oct. 2010: US$68.12

Cobalt: Recent trades US$18.00-21.00/lb.

Copper: Comex Copper Futures Sept. 2010: US$3.282/lb.; Comex Oct. 2010: $3.2875/lb.

Indium: Mid-mkt US$566.66/kg.

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

Magnesium: Mid-mkt US$2,866.66/t.

Manganese: Mid-mkt US$2,725.00/t.

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

Molybdenum: Oxide, recent trades US$15.10-15.60/lb.

Rhodium: Mid-mkt US$2,106.66/tr. oz.

Ruthenium: Mid-mkt US$187.50/tr. oz.

Selenium: Mid-mkt US$38.00/lb.

Silver: Base: US$18.44; Fabricated: US$22.12; Sterling: US$17.09

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

Tin: Kuala Lumpur Tin Market, US$20.25/kg.

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

Uranium: U3O8, Uranium Exchange Co. spot price US$46.50/ lb.; Trade Tech spot price US$46.00/lb.

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

Prices current August 17, 2010