Consent of Independent Registered Public Accounting Firm
Rio Tinto America Inc. 401(k) Savings Plan and Investment Partnership Plan
South Jordan, Utah
We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (File No. 333-198655) of Rio Tinto plc of our report dated June 28, 2017, relating to the financial statements and supplemental schedules of the Rio Tinto America Inc. 401(k) Savings Plan and Investment Partnership Plan which appear in this Form 11-K for the year ended December 31, 2016.
/s/ Anton Collins Mitchell LLP
Denver, Colorado
June 28, 2017