February 15, 2018

U.S. Securities and Exchange Commission

100 F Street, N.E.

Washington, D.C. 20549

United States of America

Re: Notice of disclosure filed in Exchange Act Annual Report under Section 219 of the Iran Threat Reduction and Syria Human Rights Act of 2012 and Section 13(r) of the Exchange Act

Dear Sirs,

Pursuant to Section 219 of the Iran Threat Reduction and Syria Human Rights Act of 2012 and Section 13(r) of the Securities Exchange Act of 1934, as amended, notice is hereby provided that ArcelorMittal has made disclosure pursuant to those provisions in its Annual Report on Form 20-F for the year ended December 31, 2017, which was filed with the Securities and Exchange Commission on February 15, 2018. Such disclosure is located in “Item 4.B Information on the Company - Business overview - Government regulations” under the heading “Disclosure pursuant to Section 219 of the Iran Threat Reduction & Syria Human Rights Act (ITRA)” of the Annual Report on Form 20-F.

Sincerely,

/s/ Henk Scheffer                        
Henk Scheffer

ArcelorMittal S.A.	T +352 4792 1	Trade Register:
24-26, bld. d’Avranches	F +352 4792 2675	Luxembourg B 82 454
L -1160 Luxembourg	www.arcelormittal.com	N° IBLC: 18804375
G.D. of Luxembourg		N° VAT: LU 18804375