Transaction in Own Shares

24th May 2007 17:30

Rio Tinto PLC24 May 2007 Rio Tinto plc today acquired through Credit Suisse Securities (Europe) Ltd200,000 of its ordinary shares at an average price of 3,540.48 pence perordinary share. The purchased shares will all be held as treasury shares. Following the above purchase, Rio Tinto plc holds 70,280,463 ordinary shares astreasury shares. The total number of ordinary shares in issue (excluding sharesheld as treasury shares) is 1,001,491,333. For further information, please contact: Investor Relations Nigel Jones Office: +44 (0) 20 7753 2401 Mobile: +44 (0) 7917 227 365 Secretarial Department Matthew Whyte Office: +44 (0) 20 7753 2317 Website: www.riotinto.com This information is provided by RNS The company news service from the London Stock Exchange

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Rio Tinto