Further re Offer for All Shares in Comalco Limited

Rio Tinto PLC 28 February 2000 The following was released to the Australian Stock Exchange by Rio Tinto Limited today. On 24 February 2000, Rio Tinto Limited announced its intention to offer A$9.50 per share for all the shares in Comalco Limited that it does not already own. In relation to this offer, Comalco Limited shareholders registered at close of business on 7 March 2000 (10pm in respect of holdings on the CHESS Subregister), will receive the already declared unfranked final dividend of A19 cents per share, payable on 21 March 2000. The ex-dividend date for Comalco Limited is Wednesday 1 March. As previously stated, Rio Tinto expects to make its offer after the Corporate Law Economic Reform Program Act becomes effective on 13 March 2000. For further information contact: Media Relations Investor Relations John Hughes Peter Jarvis + 44 207 753 2331 + 44 207 753 2401 Website: www.riotinto.com

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