Issue of Bonds

Rio Tinto has priced US$1.2 billion of 10-year fixed rate SEC-registered debt securities. The bonds will be issued by Rio Tinto Finance (USA) Limited and will be fully and unconditionally guaranteed by Rio Tinto plc and Rio Tinto Limited. The notes will pay a coupon of 3.75 per cent and will mature on 15 June 2025.

Citigroup Global Markets Inc., Deutsche Bank Securities Inc., SG Americas Securities, LLC, HSBC Securities (USA) Inc., Mitsubishi UFJ Securities (USA), Inc. and RBC Capital Markets, LLC acted as joint bookrunners.

A copy of the prospectus relating to the offering of the fixed rate notes can be obtained from Rio Tinto at the registered address below, any underwriter or any dealer participating in the offering (Citigroup Global Markets Inc., toll-free 1-800-831-9146, Deutsche Bank Securities Inc., toll-free 1-800-503-4611, and SG Americas Securities, LLC, toll-free 1-855-881-2108).

Redemption of Bonds

On 11 June 2015, Rio Tinto issued a notice of redemption for all of its 2.50 per cent notes due 20 May, 2016 and 2.25 per cent notes due 20 September, 2016 guaranteed by Rio Tinto plc and Rio Tinto Limited, of which US$1.2 billion in aggregate principal amount is outstanding. The redemption date is 11 July 2015. For additional information, note holders may call the trustee and paying agent, The Bank of New York Mellon, at 1-212 815-5811.


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