PRODUCER AND DEALER PRICES (March 16, 1998)

Aluminium: LME settlements US$1423.50, alloy US$1,247 per tonne (Mar.

10/98).

Antimony: Representative mid-market US$1,575 per tonne (Mar. 10/98).

Bismuth: Representative mid-market US$3.75 per lb. (Mar. 10/98).

Cadmium: Representative mid-market US$0.35 per lb. (Mar. 10/98).

Chromium: Turkish ore, 48% chromium oxide US$130 per tonne (Mar. 10/98).

Cobalt: Recent physical trades US$24.25-25.70 per lb. (Mar. 10/98).

Copper: Comex March delivery US$0.798 per lb. (Mar. 10/98).

Indium: Indium Corp., ingot, US$325 per kg (Mar. 10/98).

Iridium: Representative mid-market US$345 per oz. (Mar. 10/98).

Magnesium: Producer ingot US$1.80 per lb. (Mar. 10/98).

Manganese: Representative mid-market US$1,195 per tonne (Mar. 10/98).

Molybdenum: Recent physical trades US$3.95-4.45 per lb. molybdenum in oxide (Mar. 10/98).

Niobium: Composite spot ore US$3.00 per lb. Nb2O5 (Mar. 10/98).

Osmium: Representative mid-market US$420 per oz. (Mar. 10/98).

Rhodium: Representative mid-market US$550 per oz. (Mar. 10/98).

Silver: Handy & Harman, New York US$6.225, Toronto $8.748 per oz. (Mar.

10/98).

Tantalum: Spot ore mid-market US$31.50 per lb. Ta2O5 (Mar. 10/98).

Tin: Kuala Lumpur tin market US$5.39 per kg (Mar. 10/98).

Titanium: Sponge, composite free market US$4.25-4.50 per lb.; TiO2 concentrate US$650-710 (Mar. 10/98).

Tungsten: Composite spot ore US$4,775 per tonne WO3 (Mar. 10/98).

Uranium: Uranium Exchange Co. restricted spot price — US$10.80 per lb.

U3O8; former Soviet republics — US$9.25 per lb. U3O8 (Mar. 9/98).

Vanadium: Recent physical trades US$5.90-6.70 per lb. V2O5 (Mar. 10/98).

Zinc: Composite free market, special high grade US$0.507 per lb. (Mar. 10/98).