ArcelorMittal — Director's Dealing 2026

May 12, 2026

NOTIFICATION AND PUBLIC DISCLOSURE OF TRANSACTIONS BY PERSONS DISCHARGING MANAGERIAL RESPONSIBILITIES AND PERSONS CLOSELY ASSOCIATED WITH THEM

1.	Details of the person discharging managerial responsibilities/person closely associated
a)	Name	Etienne Schneider
2.	Reason for the notification
---	---	---
a)	Position / status	Independent director
b)	Initial notification / amendment	Initial notification
3.	Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor
---	---	---
a)	Name	ArcelorMittal (trading symbol MT)
b)	LEI	2EULGUTUI56JI9SAL165
4.	Details of the transaction(s) section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted
---	---	---
a)	Description of the financial instrument, type of instrument	Ordinary shares
	Identification code	MT
b)	Nature of the transaction	Purchase
c)	Price(s) and volume(s)	Price(s)
		€ 48.67
		€ 53.92
		€ 52.56
d)	Aggregated information
— Aggregated volume
		683
	— Price	€ 13,384.27
	— Price	€ 16,175.21
	— Price	€ 5,676.87
e)	Date of the transaction	5/5/2026, 5/6/2026, 5/11/2026
f)	Place of the transaction	Euronext

Date and signature

Henk Scheffer, Company Secretary, Group Compliance and Data Protection Officer

May 12, 2026