Replacement 2010 Final & 2011 Interim Div. Dates

Rio Tinto plc

4 February 2011

2010 Final and 2011 Interim Dividend Dates

The relevant dates for the Rio Tinto plc 2010 final and 2011 interim dividends are set out below:

2010 Final Dividend

2 March 2011 Shares quoted "ex-dividend"

4 March 2011 Record date

10 March 2011 Plan notice date for election under the Dividend Reinvestment Plan

24 March 2011 Dividend currency conversion date

31 March 2011 Payment date (holders of ordinary shares and ADRs)

2011 Interim Dividend

10 August 2011 Shares quoted "ex-dividend"

12 August 2011 Record date

17 August 2011 Plan notice date for election under the Dividend Reinvestment Plan

1 September 2011 Dividend currency conversion date

8 September 2011 Payment date (holders of ordinary shares)

9 September 2011 Payment date (holders of ADRs)*

* One day's delay due to the Labour Day holiday in the US on 5 September 2011.

Further information:

Ines Watson

Assistant Company Secretary

Office: +44 (0) 20 7781 1599

email: [email protected]