Exhibit

I hereby consent to (a) Roscoe Postle Associates Inc. being named in the Annual Report on Form 20-F of ArcelorMittal for the year ended December 31, 2017 (the “2017 20-F”) as having (i) completed an independent audit of the 2015 iron ore reserve estimates for ArcelorMittal’s Las Truchas and Pena Colorada mines in Mexico, and (ii) completed an updated estimate of the 2016 iron ore reserves for the Mary River Mine open pit operation, Baffinland, Canada, and (b) the incorporation by reference of the 2017 20-F into the Registration Statements Nos. 333-147382, 333-153576, 333-162697 and 333-170117 on Form S-8 and Registration Statement No. 333-202409 on Form F-3 (as amended by Post-Effective Amendment No. 1).