PRODUCER PRICES (May 18, 1998)

Aluminium: LME settlements US$1,1362.50, alloy US$1,266 per tonne (May 12/98).

Antimony: Representative mid-market US$1,500 per tonne (May 12/98).

Bismuth: Representative mid-market US$3.90 per lb. (May 5/98).

Cadmium: Representative mid-market US$0.34 per lb. (May 5/98).

Chromium: Turkish ore, 48% Cr2O3 US$135 per tonne (May 5/98).

Cobalt: Recent physical trades US$24.50-25.00 per lb. (May 5/98).

Copper: Comex July delivery US$0.793 per lb. (May 12/98).

Indium: Indium Corp., ingot, US$325 per kg (May 12/98).

Iridium: Representative mid-market US$565 per oz. (May 12/98).

Magnesium: Producer ingot US$1.80 per lb. (May 5/98).

Manganese: Representative mid-market US$1,200 per tonne (May 5/98).

Molybdenum: Recent physical trades US$4.10-4.30 per lb. molybdenum in oxide (May 5/98).

Niobium: Composite spot ore US$3.00 per lb. Nb2O5 (May 5/98).

Osmium: Representative mid-market US$500 per oz. (May 5/98).

Rhodium: Representative mid-market US$660 per oz. (May 12/98).

Silver: Handy & Harman, New York US$5.725, Toronto $8.541 per oz. (May 12/98).

Tantalum: Spot ore mid-market US$32.00 per lb. Ta2O5 (May 5/98).

Tin: Kuala Lumpur tin market US$5.55 per kg (May 12/98).

Titanium: Sponge, composite free market US$4.25-4.50 per lb.; TiO2 concentrate US$650-710 (May 5/98).

Tungsten: Composite spot ore US$4,950 per tonne WO3 (May 5/98).

Uranium: Uranium Exchange Co. restricted spot price — US$10.90 per lb.

U3O8; former Soviet republics — US$9.20 per lb. U3O8 (May 11/98).

Vanadium: Recent physical trades US$6.60-6.75 per lb. V2O5 (May 5/98).

Zinc: Composite free market, special high grade US$0.539 per lb. (May 12/98).