Transaction in Own Shares

Rio Tinto PLC
16 August 2007



Rio Tinto plc

Transaction in Own Shares

16 August 2007



Rio Tinto plc announces today that it has transferred to participants in its
employee share schemes the following number of its ordinary shares of 10p each,
which were previously held as treasury shares.



Ordinary Shares



Date of transfer:                                  16 August 2007


Number of ordinary shares transferred:             4,879


Highest transfer price per share:                  820p


Lowest transfer price per share:                   820p



Following the above purchase, Rio Tinto plc holds 75,073,792 ordinary shares as
treasury shares.  The total number of ordinary shares in issue (excluding shares
held as treasury shares) is 996,706,989.





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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