Transaction in Own Shares

Rio Tinto PLC
22 November 2006

Transaction in own shares



22 November 2006





Rio Tinto plc today acquired through JPMorgan Cazenove Limited 250,000 of its
ordinary shares at an average price of 2714.8276 pence per ordinary share. The
purchased shares will all be held as treasury shares.



Following the above purchase, Rio Tinto plc holds 44,905,467 ordinary shares as
treasury shares. The total number of ordinary shares in issue (excluding shares
held as treasury shares) is 1,027,382,418.



For further information, please contact:

Investor Relations

Nigel Jones

Office: [phone]

Mobile: [phone]


Secretarial Department

Matthew Whyte

Office: [phone]

Website: www.riotinto.com




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