144 0001164469 XXXXXXXX LIVE 0000849869 Silgan Holdings Inc. 001-41459 601 Merritt 7, Floor1 Norwalk CT 06851 203-975-7110 Lewis Robert B Officer Director Common Stock FSC Securities Corporation

2300 Windy Ridge Pkwy Suite 1100 Atlanta GA 30339

11000 501710 106993180 08/21/2025 NYSE Common Stock 03/01/2024 Common Stock received in settlement of an employee grant of restricted stock units upon vesting. Issuer N 11000 03/01/2024 The securities to be sold were received upon the settlement of vested restricted stock units. Under the applicable plan, upon vesting restricted stock units are settled in shares of Common Stock on a 1-for-1 basis without any payment. Y The securities to be sold were received upon the settlement of vested restricted stock units. Under the applicable plan, upon vesting restricted stock units are settled in shares of Common Stock on a 1-for-1 basis without any payment. 08/20/2025 /s/ Robert B. Lewis