Designated Person Notification by Aperam

On December 17, 2025, Aperam S.A., a leader in the stainless and specialty steel industry, announced a notification related to share transactions by a Designated Person. This notification aligns with Article 19(3) of the EU Market Abuse Regulation (596/2014). Details are accessible on the Luxembourg Stock Exchange's electronic database and Aperam's website under the Investors section. Aperam's operations span globally, providing stainless, electrical, and specialty steel products. In 2024, the company reported sales of EUR 6,255 million and shipments totaling 2.29 million tonnes.