ArcelorMittal Files Form 6-K for Designated Person Notification

ArcelorMittal has filed a Form 6-K report with the U.S. Securities and Exchange Commission (SEC) dated March 17, 2026. This filing includes Exhibit 99.1, which contains a press release announcing a designated person notification. The notification pertains to share transactions by Directors or Executive Officers, as required by Article 19(3) of Regulation (EU) No 596/2014 on market abuse. These notifications are available on the Luxembourg Stock Exchange's electronic database (OAM) and ArcelorMittal's corporate website. The report also provides general information about ArcelorMittal, identifying it as a leading global integrated steel and mining company with extensive international operations and a diverse customer base. The company highlights its commitment to producing "smarter steels" through innovative, sustainable processes to support global transformation and renewable energy infrastructure. ArcelorMittal is listed on major stock exchanges worldwide.