PRODUCER AND DEALER PRICES (December 22, 1997)

Aluminium: LME settlements US$1,502, alloy US$1,378 per tonne (Dec. 16/97).

Antimony: Representative mid-market US$1,570 per tonne (Dec. 16/97).

Bismuth: Representative mid-market US$3.35 per lb. (Dec. 16/97).

Cadmium: Composite free market US$0.38 per lb. (Dec. 16/97).

Chromium: Turkish ore, 48% chromium oxide US$140 per tonne (Dec. 16/97).

Cobalt: Representative mid-market US$25.60 per lb. (Dec. 16/97).

Copper: Comex March delivery US$0.794 per lb. (Dec. 16/97).

Indium: Indium Corp., ingot, US$325 per kg (Dec. 16/97).

Iridium: Representative mid-market US$250 per oz. (Dec. 16/97).

Magnesium: Producer ingot US$1.80 per lb. (Dec. 16/97).

Manganese: Representative mid-market US$1,040 per tonne (Dec. 16/97).

Molybdenum: Representative mid-market US$3.80 per lb. molybdenum in oxide (Dec. 16/97).

Niobium: Composite spot ore US$3.00 per lb. niobium pentoxide (Dec. 16/97).

Osmium: Representative mid-market US$420 per oz. (Dec. 16/97).

Rhodium: Representative mid-market US$335 per oz. (Dec. 16/97).

Silver: Handy & Harman, New York US$5.890, Toronto $8.617 per oz. (Dec.

16/97).

Tantalum: Spot ore mid-market US$31.50 per lb. tantalum pentoxide (Dec.

16/97).

Tin: Kuala Lumpur tin market US$5.24 per kg (Dec. 16/97).

Titanium: Sponge, composite free market US$4.25-4.50 per lb. (Dec. 16/97).

Tungsten: Composite spot ore US$4,600 per tonne (Dec. 16/97).

Uranium: Uranium Exchange Co. restricted spot price — US$12.35 per lb.

U3O8; former Soviet republics — US$9.50 per lb. U3O8 (Dec. 15/97).

Vanadium: Recent physical trades US$4.60-4.85 per lb. vanadium oxide (Dec.

16/97).

Zinc: Composite free market, special high grade US$0.5462 per lb. (Dec.

16/97).