Constellium(CSTM) - 2025 Q1 - Quarterly Results

Exhibit 99.1 April 30, 2025 Constellium Reports First Quarter 2025 Results and Maintains Full Year 2025 Guidance Paris - Constellium SE (NYSE: CSTM) ("Constellium" or the "Company") today reported results for the first quarter ended March 31, 2025. Jason Hershiser Delphine Dahan-Kocher Phone: +1 443 988-0600 Phone: +1 443 420 7860 1 • Shipments of 372 thousand metric tons, down 2% compared to Q1 2024 • Revenue of $2.0 billion, up 5% compared to Q1 2024 • Net income of $38 million compared to net income of $ ...