PRODUCER AND DEALER PRICES (May 10, 2010)

Antimony: Mid-mkt US$9,033.33/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$63.25; July 2010: US$63.17

Cobalt: Recent trades US$22.50-24.00/lb.

Copper: Comex Copper Futures May 2010: US$3.22/lb.; Comex June 2010: US$3.23

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

Iridium: Mid-mkt US$566.66/tr. oz.

Magnesium: Mid-mkt US$2941.66/t.

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

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

Molybdenum: Oxide, recent trades US$17.00-17.80/lb.

Rhodium: Mid-mkt US$2,843.33/tr. oz.

Ruthenium: Mid-mkt US$236.66/tr. oz.

Selenium: Mid-mkt US$38.33/lb.

Silver: Base: US$18.75; Fabricated: US$22.49; Sterling: US$17.39

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

Tin: Kuala Lumpur Tin Market, US$18.33/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$41.50/lb.

Ferrovanadium: Free Market V₂O₅, recent trades US$7.50- 8.25/lb.

Prices current May 4, 2010