PRODUCER AND DEALER PRICES (March 23, 1998)

Aluminium: LME settlements US$1,450, alloy US$1,297 per tonne (Mar. 17/98).

Antimony: Representative mid-market US$1,600 per tonne (Mar. 17/98).

Bismuth: Representative mid-market US$3.85 per lb. (Mar. 17/98).

Cadmium: Representative mid-market US$0.38 per lb. (Mar. 17/98).

Chromium: Turkish ore, 48% chromium oxide US$130 per tonne (Mar. 17/98).

Cobalt: Recent physical trades US$25.00-25.70 per lb. (Mar. 17/98).

Copper: Comex March delivery US$0.817 per lb. (Mar. 17/98).

Indium: Indium Corp., ingot, US$325 per kg (Mar. 17/98).

Iridium: Representative mid-market US$370 per oz. (Mar. 17/98).

Magnesium: Producer ingot US$1.80 per lb. (Mar. 17/98).

Manganese: Representative mid-market US$1,200 per tonne (Mar. 17/98).

Molybdenum: Recent physical trades US$4.15-4.45 per lb. molybdenum in oxide (Mar. 17/98).

Niobium: Composite spot ore US$3.00 per lb. Nb2O5 (Mar. 17/98).

Osmium: Representative mid-market US$420 per oz. (Mar. 17/98).

Rhodium: Representative mid-market US$515 per oz. (Mar. 17/98).

Silver: Handy & Harman, New York US$5.870, Toronto $8.552 per oz. (Mar.

17/98).

Tantalum: Spot ore mid-market US$31.50 per lb. Ta2O5 (Mar. 17/98).

Tin: Kuala Lumpur tin market US$5.42 per kg (Mar. 17/98).

Titanium: Sponge, composite free market US$4.25-4.50 per lb.; TiO2 concentrate US$650-710 (Mar. 17/98).

Tungsten: Composite spot ore US$4,775 per tonne WO3 (Mar. 17/98).

Uranium: Uranium Exchange Co. restricted spot price — US$10.70 per lb.

U3O8; former Soviet republics — US$9.25 per lb. U3O8 (Mar. 16/98).

Vanadium: Recent physical trades US$5.60-6.00 per lb. V2O5 (Mar. 17/98).

Zinc: Composite free market, special high grade US$0.514 per lb. (Mar.

17/98).