Transaction in Own Shares

Rio Tinto PLC
23 February 2007

Rio Tinto plc

Transaction in Own Shares

23 February 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:                                     23 February 2007



Number of ordinary shares transferred:                36,969



Highest transfer price per share:                     1458.6p



Lowest transfer price per share:                      808.8p



Following the above purchase, Rio Tinto plc holds 57,029,033 ordinary shares as

treasury shares.  The total number of ordinary shares in issue (excluding shares

held as treasury shares) is 1,014,680,292.











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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