Constellium SE announced that the Board of Directors also appointed Ms. Ingrid Joerg, aged 56, as director, effective January 1, 2026, for the remaining term of Mr. Jean-Marc Germain's directorship expiring in 2026 (subject to ratification of this appointment by the Company's 2026 annual general meeting) and intends to nominate Ms. Joerg to serve as director for a further three-year term at that annual general meeting. Since September 2023, Ms. Joerg has served as the Company's Executive Vice President and Chief Operating Officer heading operations of all three business units of the Company. Prior to September 2023, Ms. Joerg served as the President of the Company's Aerospace & Transportation (A&T) business unit since she joined the Company in 2015.

Prior to joining the Company, Ms. Joerg also served as Chief Executive Officer of Aleris Rolled Products Europe, held several leadership positions with Alcoa Corporation, and commercial positions with AMAG Austria. Since July 2019, Ms. Joerg has served as a director of voestalpine AG, a global steel and technology group listed on the Vienna Stock Exchange. Ms. Joerg received a Master's degree in Business Administration from the University of Linz, Austria.

Ms. Joerg is a Swiss citizen. On October 29, 2025, the Company announced that Mr. Germain had decided to retire as director of the Company, effective as of December 31, 2025. Mr. Germain is expected to remain employed as a Special Advisor to the Board of Directors and management through December 31, 2026 to facilitate a seamless leadership transition (the Transition Period).