ArcelorMittal

Report Publication Announcement • Aug 4, 2025

ArcelorMittal publishes its 2025 half-year report

1 August 2025, 19.30 CET

ArcelorMittal (the 'Company') has today published its half-year report for the six-month period ended 30 June 2025.

The report is available onhttp://corporate.arcelormittal.com/ under Investors > Financial reports > Half-year reports, and on the electronic database of the Luxembourg Stock Exchange (www.bourse.lu/).

The report has also been filed on Form 6-K with the U.S. Securities and Exchange Commission (SEC) and is available onhttp://corporate.arcelormittal.com/ under Investors > Financial reports > SEC filings.

ENDS

About ArcelorMittal

ArcelorMittal is one of the world's leading integrated steel and mining companies with a presence in 60 countries and primary steelmaking operations in 15 countries. It is the largest steel producer in Europe, among the largest in the Americas, and has a growing presence in Asia through its joint venture AM/NS India. ArcelorMittal sells its products to a diverse range of customers including the automotive, engineering, construction and machinery industries, and in 2024 generated revenues of \$62.4 billion, produced 57.9 million metric tonnes of crude steel and 42.4 million tonnes of iron ore. Our purpose is to produce smarter steels for people and planet. Steels made using innovative processes which use less energy, emit significantly less carbon and reduce costs. Steels that are cleaner, stronger and reusable. Steels for the renewable energy infrastructure that will support societies as they transform through this century. With steel at our core, our inventive people and an entrepreneurial culture at heart, we will support the world in making that change.

ArcelorMittal is listed on the stock exchanges of New York (MT), Amsterdam (MT), Paris (MT), Luxembourg (MT) and on the Spanish stock exchanges of Barcelona, Bilbao, Madrid and Valencia (MTS). http://corporate.arcelormittal.com/

Contacts:

ArcelorMittal Investor Relations

General +44 20 7543 1128 Sustainability +44 203 214 2490

Bonds/Credit +33 157 955 035 E-mail investor.relations@arcelormittal.com

ArcelorMittal Corporate Communications

Paul Weigh +44 20 3214 2419 E-mail: press@arcelormittal.com