Transaction in Own Shares

Rio Tinto PLC
28 June 2007




Transaction in own shares


28 June 2007



Rio Tinto plc today acquired through JPMorgan Cazenove Limited 175,000 of its
ordinary shares at an average price of 3748.7085 pence per ordinary share. The
purchased shares will all be held as treasury shares.

Following the above purchase, Rio Tinto plc holds 72,588,671 ordinary shares as
treasury shares. The total number of ordinary shares in issue (excluding shares
held as treasury shares) is 999,192,030.


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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