DAILY METAL PRICES (May 26, 2008)

LEGEND

CONVERSIONS OF WEIGHTS & MEASURES

Date	May 19	May 16	May 15	May 14	May 13
BASE METALS (London Metal Exchange — Midday official cash/3-month prices, US$ per tonne)
Al Alloy	2685.50/2720	2690.50/2720	2685/2710	2653/2680	2675/2690
Aluminum	2955/3003	2990/3029	2953.50/2996.50	2881.50/2926.50	2898/2946
Copper	8540/8410	8470/8342	8360/8193.50	8180/8090	8410/8300.50
Lead	2262/2280	2300.50/2315	2246/2260.50	2203/2210	2283/2305
Nickel	26000/26200	26295/26405	26455/26600	26575/26700	26775/26895
Tin	24200/24125	25240/25220	25500/25500	25155/25075	25395/25300
Zinc	2265.50/2297.50	2323/2350.50	2261/2290	2270/2280	2289.50/2310
PRECIOUS METAL PRICES (London fix, US$ per troy oz.)
Gold AM	908.75	885.00	866.25	863.00	877.00
Gold PM	906.50	897.00	881.25	866.50	865.00
Silver	17.18	16.83	16.60	16.69	17.08
Platinum	2160.00	2136.00	2065.00	2032.00	2062.00
Palladium	447.50	443.00	437.00	434.00	437.00

A	–	Australian Stock Exchange
C	–	CNQtradingandquotation system
J	–	JohannesburgStock Exchange
L	–	LondonStockExchange
M-MexicoStockExchange
N	–	NewYorkStockExchange
O -U. S. over-the-counter
Q -NASDAQ or U. S. OTC
T	–	TorontoStockExchange
V	–	TSXVentureExchange
X	–	AmericanStockExchange
*	–	Denotes price in U. S.$

1 troy ounce = 31.1 grams

1 kilogram = 32.15 troy ounces

1 kilogram = 2.2046 pounds

1 (metric) tonne = 1,000 kilograms

1 (metric) tonne = 2,204.6 pounds

1 (short) ton = 2,000 pounds

1 (metric) tonne = 1.1023 (short) tons