CONSTELLIUM SE Business Summary

Constellium SE (CSTM) is a global leader in the development, manufacturing, and recycling of high-value-added aluminum products, operating through a pass-through business model that mitigates exposure to metal price volatility. The company’s revenue is generated across three primary segments: Packaging & Automotive Rolled Products (P&ARP), which accounts for approximately 60% of total revenue; Aerospace & Transportation (A&T), contributing 23%; and Automotive Structures & Industry (AS&I), representing 19%. Constellium specializes in proprietary, high-performance solutions such as its Airware® aluminum-lithium alloys for the aerospace and defense sectors and co-engineered crash management systems for the automotive industry. It competes directly with major players like Novelis Inc., Alcoa Corporation, Arconic, and Kaiser Aluminum, positioning itself as a premium technical specialist within an oligopolistic market characterized by high barriers to entry and deep customer integration. Formed in 2011 through the spin-off of Rio Tinto Alcan’s Engineered Products division, Constellium is currently led by CEO Ingrid Joerg, who assumed the position on January 1, 2026, following a decade-long tenure at the company, including roles as COO and President of the A&T unit. Joerg, an industry veteran with over 25 years of experience at Alcoa and Aleris, manages the firm alongside EVP and CFO Jack Guo and General Counsel Stephen Walters. The company’s strategic direction is overseen by Chairman Jean-Christophe Deslarzes and a board of directors featuring notable members such as Bradley Soultz and Martha Brooks. Constellium maintains a robust institutional shareholder base, with significant positions held by BlackRock, Fidelity (Fmr LLC), and the French sovereign wealth fund Bpifrance, while former CEO Jean-Marc Germain continues to support the leadership transition as a Special Advisor through 2026.