PRODUCER AND DEALER PRICES (May 31, 2010)

Antimony: Mid-mkt US$9,366.66/t.

Bismuth: Mid-mkt US$9.37/lb.

Cadmium: Mid-mkt US$1.96/lb.

Coal: EIA Central Appalachian thermal, US$64.60/T; Powder River Basin thermal, US$11.65/T; Northern Appalachian, US$60.75; US EIA Sept. metallurgical, US$156.65/t. CME Group Central Appalachian Coal Futures June 2010: US$61.63; July 2010: US$61.85

Cobalt: Recent trades US$19.20-22.50/lb.

Copper: Comex Copper Futures June 2010: US$3.064/lb.; Comex July 2010: $3.070/lb.

Indium: Indium Corp., ingot, US$640/kg.

Iridium: Mid-mkt US$650.00/tr. oz.

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

Manganese: Mid-mkt US$2,860.00/t.

Mercury: Mid-mkt US$750.00/flask (76 lb.).

Molybdenum: Oxide, recent trades US$16.50-17.10/lb.

Rhodium: Mid-mkt US$2,691.66/tr. oz.

Ruthenium: Mid-mkt US$237.50/tr. oz.

Selenium: Mid-mkt US$39.00/lb.

Silver: Base: US$17.68; Fabricated: US$21.22; Sterling: US$16.40

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

Tin: Kuala Lumpur Tin Market, US$17.71/kg.

Tungsten: WO3 ore, mid-mkt US$14,685.00/t

Uranium: U3O8, Uranium Exchange Co. spot price US$41.50/ lb.; Trade Tech spot price US$40.75/lb.

Ferrovanadium: Free Market V2O5, recent trades US$7.25- 7.50/lb.

Prices current May 25, 2010