Transaction notification from a designated person at Aperam

On December 17, 2025, Aperam announced, pursuant to Article 19(3) of Regulation (EU) No 596/2014 on market abuse, that a notification concerning share transactions carried out by a designated person, such as a director or senior officer, is available in the Luxembourg Stock Exchange's electronic database, OAM, and on Aperam's website. This notification is part of a regulatory framework designed to ensure the transparency of transactions carried out by influential individuals within the company. The publication of this information allows investors and the public to access relevant and reliable data relating to Aperam's governance.