Rio Tinto to purchase $1.359 billion debt under Any and All Offer

Under Rio Tinto’s plan to reduce gross debt through the early repayment of some near term maturing debt, Rio Tinto Finance (USA) plc has accepted for purchase a total of $1.359 billion in debt pursuant to its Any and All Offer, which commenced on 21 April 2016 and expired on 27 April 2016.

$339 million in aggregate principal amount of its 2.000 per cent Notes due 2017 will be purchased at a price of $1,006.91 per $1,000 principal amount of notes. $1.020 billion in aggregate principal amount of its 1.625 per cent Notes due 2017 will be purchased at a price of $1,005.85 per $1,000 principal amount of notes. The above amounts exclude $2 million of Any and All Securities that remain subject to the guaranteed delivery procedures described in the Offer to Purchase. The Any and All Securities purchased will be retired and cancelled and no longer remain outstanding.

The settlement date for the Any and All Offer will be 29 April 2016 (or 3 May 2016 in the case of Any and All Securities delivered pursuant to the guaranteed delivery procedures).

Capitalized terms in this announcement have the same meaning as assigned to them in the Offer to Purchase dated 21 April 2016.

The Lead Dealer Managers for the Any and All Offer are Merrill Lynch, Pierce, Fenner & Smith Incorporated and RBC Capital Markets, LLC. The Co-Dealer Managers are BMO Capital Markets Corp., CIBC World Markets Corp., nabSecurities, LLC and TD Securities (USA) LLC.

Questions regarding the Any and All Offer may be directed to:

Copies of the Offer to Purchase and the Notice of Guaranteed Delivery may be obtained from the Depositary and Information Agent, Global Bondholder Services Corporation at +1 (866) 470 3800 (toll-free) or +1 (212) 430 3774 (collect) or in writing at 65 Broadway, Suite 404, New York, New York 10006.

NOTICE AND DISCLAIMER

This announcement must be read in conjunction with the Offer to Purchase. The distribution of this announcement and the Offer to Purchase in certain jurisdictions may be restricted by law. Persons into whose possession this announcement or the Offer to Purchase comes are required by each of Rio Tinto Finance (USA) plc, the Guarantors, the Dealer Managers, the Depositary and Information Agent to inform themselves about and to observe any such restrictions.