Transaction in Own Shares

RNS Number : 0406L

Rio Tinto PLC

29 August 2012

Rio Tinto plc

Transaction in Own Shares

29 August 2012

Rio Tinto plc announces that it 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:	28 August 2012
Number of ordinary shares transferred:	2,707
Highest transfer price per share:	£16.530
Lowest transfer price per share:	£16.530

Following the above purchase; Rio Tinto plc holds 14,342,741 ordinary shares as treasury shares. The total number of ordinary shares in issue (excluding shares held as treasury shares) is 1,411,032,725.