Collective Agreement Reached At Antamina

Collective Agreement Reached At Antamina

06-56-TC

November 30, 2006 /

Vancouver, BC Teck Cominco Limited announced today that Compañía Minera Antamina S.A. and Sutracomosa, a union representing workers at the Antamina mine, finalized a collective bargaining agreement on November 29th. The effective date of the agreement is July 24, 2006 for a 3 year term, expiring July 24, 2009.

Teck Cominco is a diversified mining company, headquartered in Vancouver, Canada. Its shares are listed on the Toronto Stock Exchange under the symbols TCK.A and TCK.B and on the New York Stock Exchange under the symbol TCK. The company is a world leader in the production of zinc and metallurgical coal and is also a significant producer of copper, gold, indium and other specialty metals. Further information can be found at .

Greg WallerVice President, Strategic Analysis & Investor Relations604.685.3005