PRODUCER AND DEALER PRICES (May 19, 2008)

Antimony: Mid-mkt US$5,893.33/t.

Bismuth: Mid-mkt US$16.35/lb.

Cadmium: Mid-mkt US$3.495/lb.

Coal:EIA Central Appalachian thermal, US$96.75/T; Powder River Basin thermal, US$14.00/T; Northern Appalachian, US$105; US EIA Sept. metallurgical, US$107.75/t. NYMEX Central Appalachian US$102.50; Powder River Basin US$13.43; Eastern Rail US$104.75.

Cobalt: Recent trades US$48.00-49.50/lb.

Copper: Comex May US$3.749/lb.

Indium: Indium Corp., ingot, US$685/kg.

Iridium: Mid-mkt US$450/tr. oz.

Iron Ore:Vale 2008 contracts, US$1.1898-US$1.3441 per dry metric ton Fe unit (Southern System Fines) to US$1.2517 US$1.4060 (Carajas iron ore fines)

Magnesium: Mid-mkt US$5,700/t.

Manganese: Mid-mkt US$4,050/t.

Mercury:Mid-mkt US$600/flask (76 lb.).

Molybdenum: Oxide, recent trades US$32.00-32.50/lb.

Rhodium: Mid-mkt US$9,308.3/tr. oz.

Ruthenium: Mid-mkt US$346.66/tr. oz.

Selenium: Mid-mkt US$36.66/lb.

Silver: US$16.81/tr. oz.

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

Tin: Kuala Lumpur Tin Market, US$24.49/kg.

Tungsten: WO3 ore, mid-mkt US$19,415/t

Uranium: U3O8, Uranium Exchange Co. spot price US$63/lb.; Trade Tech spot price US$65/lb.

Vanadium: V2O5, recent trades US$14.00-16.00/lb.

Prices current May 13, 2008