To the Constellium SE annual general meeting, In our capacity as Statutory Auditor of Constellium SE (hereinafter the “entity), appointed as an independent third party and accredited by Cofrac (accreditation Cofrac Inspection n°of non-financial performance for the year ended 31st December 2020 (hereinafter the “Statement”), included in the management report pursuant to the legal and regulatory provisions of articles L. 225102-1, R. 225-105 and R. 225-105-1 of the French Commercial Code (Code de commerce).