Transaction in Own Shares

Rio Tinto PLC
25 October 2006

Rio Tinto plc

Transaction in Own Shares

25 October 2006




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:                              25 October 2006



Number of ordinary shares transferred:         3,763



Highest transfer price per share:              1263p



Lowest transfer price per share:               1263p



Following the above purchase, Rio Tinto plc holds 41,450,233 ordinary shares as
treasury shares.  The total number of ordinary shares in issue (excluding shares
held as treasury shares) is 1,030,746,490.








For further information, please contact:



Investor Relations

Nigel Jones

Office:  [phone]

Mobile: [phone]



Secretarial Department

Matthew Whyte

Office:  [phone]



Website:  www.riotinto.com


                      This information is provided by RNS
            The company news service from the London Stock Exchange