PRODUCER AND DEALER PRICES (May 24, 2010)

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

Bismuth: Mid-mkt US$9.53/lb.

Cadmium: Mid-mkt US$2.00/lb.

Coal: EIA Central Appalachian thermal, US$64.60/T; Powder River Basin thermal, US$12.00/T; Northern Appalachian, US$60.75; US EIA Sept. metallurgical, US$156.65/t. CME Group Central Appalachian Coal Futures June 2010: US$63.32; July 2010: US$63.17

Cobalt: Recent trades US$20.25-22.50/lb.

Copper: Comex Copper Futures June 2010: US$3.127/lb.; Comex July 2010: $3.134/lb.

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

Iridium: Mid-mkt US$617.50/tr. oz.

Magnesium: Mid-mkt US$2,950.00/t.

Manganese: Mid-mkt US$2,916.66/t.

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

Molybdenum: Oxide, recent trades US$16.80-17.20/lb.

Rhodium: Mid-mkt US$2,787.50/tr. oz.

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

Selenium: Mid-mkt US$39.00/lb.

Silver: Base: US$19.02; Fabricated: US$22.82; Sterling: US$17.64

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

Tin: Kuala Lumpur Tin Market, US$17.65/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$41.25/lb.

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

Prices current May 18, 2010