CSTM - Insider purchases

Director Soultz Bradley Lee bought $84,600 worth of Ordinary shares (2,500 units at $33.84) (SEC Form 4)

Director Deslarzes Jean-Christophe bought $41,247 worth of Ordinary shares (1,325 units at $31.13), increasing direct ownership by 3% to 42,025 units (SEC Form 4)

Director Deslarzes Jean-Christophe bought $41,242 worth of Ordinary shares (1,665 units at $24.77), increasing direct ownership by 4% to 40,700 units (SEC Form 4)

President, AS&I Corre Stephane bought 8,026 units of Ordinary shares, increasing direct ownership by 14% to 66,520 units (SEC Form 4)

President, A&T Hoffmann Philippe sold $122,313 worth of Ordinary shares (4,728 units at $25.87) and bought 71,132 units of Ordinary shares, increasing direct ownership by 57% to 182,120 units (SEC Form 4)

SVP CPO Becker Marcus bought 14,592 units of Ordinary shares and sold $28,793 worth of Ordinary shares (1,113 units at $25.87), increasing direct ownership by 68% to 33,237 units (SEC Form 4)