Consent of Independent Registered Public Accounting Firm
Alcancorp Employees’ Savings Plan
South Jordan, Utah
We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (File Nos. 33-46865, 333-7328, 333-08270 and 333-184397) of Rio Tinto plc of our report dated November 30, 2015, relating to the financial statements and supplemental schedule of the Alcancorp Employees’ Savings Plan which appear in this Form 11-K/A for the year ended December 31, 2013.
Anton Collins Mitchell LLP
Denver, Colorado
November 30, 2015