Transaction in Own Shares

Rio Tinto PLC
20 February 2006

Rio Tinto plc - Transaction in Own Shares

Transfer of Treasury Shares

20 February 2006





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



Date of Transfer:                                   17 February 2006



Number of Shares Transferred:                       18,443



Highest Transfer Price per Share:                    2867p



Lowest Transfer Price per Share:                     2867p





Following the above transaction, Rio Tinto plc holds 7,546,557 ordinary shares
as treasury shares.  The total number of ordinary shares in issue (excluding
shares held as treasury shares) is 1,064,479,399.





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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