PRODUCER & DEALER PRICES (June 07, 1999)

Antimony: Representative mid-market US$1,235 per tonne (May 18/99).

Bismuth: Representative mid-market US$3.60 per lb. (May 18/99).

Cadmium: Representative mid-market US$0.23 per lb. (May 18/99).

Chromium: Recent physical trades US$60.00-90.00 per tonne (May 18/99).

Cobalt: Recent physical trades US$15.25-15.95 per lb. (May 25/99).

Copper: Comex July delivery US$0.6350 per lb. (June 1/99).

Indium: Indium Corp., ingot, US$215 per kg (May 25/99).

Iridium: Representative mid-market US$400 per oz. (May 18/99).

Magnesium: Producer ingot US$1.80 per lb. (May 18/99).

Manganese: Representative mid-market US$1,005 per tonne (May 18/99).

Molybdenum: Recent physical trades US$2.55-2.73 per lb. molybdenum in oxide (May 25/99).

Niobium: Composite spot ore US$3.00 per lb. Nb2O5 (May 18/99).

Osmium: Representative mid-market US$400 per oz. (May 18/99).

Rhodium: Representative mid-market US$850 per oz. (May 18/99).

Silver: Handy & Harman, New York US$5.030, Toronto $7.662 (June 1/99).

Tantalum: Spot ore mid-market US$32.00 per lb. Ta2O5 (May 18/99).

Tin: Kuala Lumpur tin market US$5.561 per kg (May 24/99).

Titanium: Recent physical trades of TiO2 concentrate US$500-535 per tonne (May 18/99).

Tungsten: Composite spot ore US$4,250 per tonne WO3 (May 18/99).

Uranium: Uranium Exchange Co. restricted spot price — US$10.65 per lb. U3O8; former Soviet republics — US$8.50 per lb. U3O8 (May 24/99).

Vanadium: Recent physical trades US$1.93-2.15 per lb. V2O5 (May 18/99).

Zinc: Composite free market, special high grade US$0.513 per lb. (May 31/99).