Offer Update

Rio Tinto PLC 20 September 2000 Rio Tinto lodges Bidder's Statement for Ashton Rio Tinto's Bidder's Statement for Ashton Mining Limited was lodged with the Australian Securities and Investments Commission, sent to Ashton and filed with ASX on 19 September 2000. Rio Tinto intends to dispatch its Bidder's Statement to Ashton shareholders as soon as possible. The Bidder's Statement is available on Rio Tinto's website at: www.riotinto.com.au/home.asp For further information, please contact: Media Relations Investor Relations Lisa Cullimore Peter Jarvis + 44 (0) 20 7753 2305 + 44 (0) 20 7753 2401 Website: www.riotinto.com

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