Director/PDMR Shareholding

Rio Tinto plc

18 April 2013

SHAREHOLDINGS OF DIRECTORS AND PERSONS DISCHARGING MANAGERIAL RESPONSIBILITY (PDMR)

On 19 February 2013, Rio Tinto plc notified the market in announcement RNS number 2329Y, that Preston Chiaro acquired 13.69866 units in the Rio Tinto plc Stock Fund on 15 February 2013.

On 17 April 2013, Rio Tinto plc was notified that the Rio Tinto America Savings Plan incorrectly allocated 1.74303 units too many to Preston Chiaro's Rio Tinto plc Stock Fund on 15 February 2013. This transaction was subsequently reversed on 16 April 2013. These were non-discretionary transactions.

Note: Each unit represents one ADR and each ADR represents one Ordinary share of 10p each in Rio Tinto plc.

This announcement is made in accordance with the requirements of DTR 3.1.4 R.

Enquiries:

Vaughn Walton

Assistant Company Secretary

Rio Tinto plc

Tel: 020 7781 1345

[email protected]