Rio Tinto receives all regulatory approvals for the Alcan Offer

18 October 2007

All regulatory approvals required for the global closing of the proposed acquisition of Alcan by a subsidiary of Rio Tinto have now been received. The Offer is scheduled to expire at 6:00 p.m. Canadian Eastern Time on October 23, 2007, and Alcan Inc. shareholders are encouraged to tender their shares to the Offer as soon as possible.

Shareholders requiring assistance to tender their shares or who have questions regarding the Offer should contact their broker or Georgeson, the Information Agent for the Offer, at the following numbers:

North American toll free:   1 888 605 7629
European Union free call:   00 800 6540 6540
Australia free call:    1 800 216 071