PRODUCER AND DEALER PRICES (May 17, 2010)

Antimony: Mid-mkt US$9,333.33/t.

Bismuth: Mid-mkt US$9.73/lb.

Cadmium: Mid-mkt US$2.03/lb.

Coal: EIA Central Appalachian thermal, US$61.15/T; Powder River Basin thermal, US$12.35/T; Northern Appalachian, US$59.75; US EIA Sept. metallurgical, US$156.65/t. CME Group Central Appalachian Coal Futures June 2010: US$62.92; July 2010: US$62.47

Cobalt: Recent trades US$21.25-23.00/lb.

Copper: Comex Copper Futures June 2010: US$3.19/lb.; Comex July 2010: $3.20/lb.

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

Iridium: Mid-mkt US$587.50/tr. oz.

Magnesium: Mid-mkt US$2,925.00/t.

Manganese: Mid-mkt US$2,850.00/t.

Mercury: Mid-mkt US$743.33/flask (76 lb.).

Molybdenum: Oxide, recent trades US$17.00-17.40/lb.

Rhodium: Mid-mkt US$2,775.00/tr. oz.

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

Selenium: Mid-mkt US$37.00/lb.

Silver: Base: US$19.14; Fabricated: US$22.97; Sterling: US$17.75

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$41.75/lb.; Trade Tech spot price US$41.25/lb.

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

Prices current May 11, 2010