PRODUCER & DEALER PRICES (September 20, 1999)

Antimony: Mid-mkt US$1,210/t.

Bismuth: Mid-mkt US$4.25/lb.

Cadmium: Mid-mkt US$0.20/lb.

Chromium: Mid-mkt ores US$65/t.

Cobalt: Recent trades US$18.70-20.25/lb.

Copper: Comex Dec. US$0.8085/lb.

Indium: Indium Corp., ingot, US$215/kg.

Iridium: Mid-mkt US$400/tr. oz.

Magnesium: Producer ingot US$1.80/lb.

Manganese: Mid-mkt US$950/t.

Molybdenum: Recent trades US$2.70-2.95/lb. Mo in oxide.

Niobium: Nb2O5 ore, mid-mkt US$3.00/lb.

Osmium: Mid-mkt US$400/tr. oz.

Rhodium: Mid-mkt US$910/tr. oz.

Silver: Handy & Harman, New York US$5.160, Toronto $7.861/tr. oz.

Tantalum: Ta2O5 ore, mid-mkt US$32.00/lb.

Tin: Kuala Lumpur mkt US$5.290/kg.

Titanium: Not available.

Tungsten: WO3 ore, mid-mkt US$4,500/t.

Uranium: U3O8, Uranium Exchange Co. restricted spot price — US$10.10/lb; fmr USSR — US$8.20/lb.

Vanadium: V2O5, recent trades US$1.87-2.05/lb.

Zinc: Mid-mkt, special high grade US$0.605/lb.

Prices current Sept. 14, 1999