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LLC «KAI», in connection with ArcelorMittal's Annual Report on Form 20-F for the year ended December 31, 2024 (the "2024 20-F"):

a) certifies that it has supervised and validated the preparation of the mineral reserves and mineral resources estimates for ArcelorMittal Kryvyi Rih Open Pit;

b) consents to the use of and references to its name, including its status as an expert or "qualified person" (as defined in Subpart 1300 of Regulation S-K promulgated by the U.S. Securities and Exchange Commission), in connection with the 2024 20-F, the Registration Statements listed in paragraph (c) below and mineral reserves and mineral resources estimates for ArcelorMittal Kryvyi Rih Open Pit; and

c) consents to the incorporation by reference of the 2024 20-F into Registration Statements Nos. 333-147382, 333-153576, 333-162697 and 333-170117 on Form S-8 and Registration Statement No. 333-278551 on Form F-3 (including any amendments or supplements thereto).

LLC «KAI» is responsible for authoring and this consent pertains to, the mineral reserves and mineral resources estimates for ArcelorMittal Kryvyi Rih Open Pit. LLC «KAI» certifies that it has read the 2024 20-F and that it fairly and accurately represents the mineral reserves and mineral resources for each property for which it is responsible.

LLC «KAI», in connection with ArcelorMittal's Annual Report on Form 20-F for the year ended December 31, 2024 (the "2024 20-F"):

a) certifies that it has supervised and validated the preparation of the mineral reserves and mineral resources estimates for ArcelorMittal Kryvyi Rih Underground Mine;

b) consents to the use of and references to its name, including its status as an expert or "qualified person"(as defined in Subpart 1300 of Regulation S-K promulgated by the U.S. Securities and Exchange Commission), in connection with the 2024 20-F, the Registration Statements listed in paragraph (c) below and mineral reserves and mineral resources estimates for ArcelorMittal Kryvyi Rih Underground Mine; and

c) consents to the incorporation by reference of the 2024 20-F into Registration Statements Nos. 333-147382, 333-153576, 333-162697, and 333-170117 on Form S-8 and Registration Statement No. 333-278551 on Form F-3 (including any amendments or supplements thereto).

LLC «KAI» is responsible for authoring and this consent pertains to, the mineral reserves and mineral resources estimates for ArcelorMittal Kryvyi Rih Underground Mine. LLC «KAI» certifies that it has read the 2024 20-F and that it fairly and accurately represents the mineral reserves and mineral resources for each property for which it is responsible.