144 0001439747 XXXXXXXX LIVE 0000849869 SILGAN HOLDINGS INC 001-41459 4 LANDMARK SQ STAMFORD CT 06901 2039757110 Prinzen B Frederik Officer Common Stock BNY Mellon Brokerage Services - A Division of BNY Mellon Securities Corporation

144 Glenn Curtiss Boulevard Uniondale NY 11556

2378 130433.30 106993180 05/06/2025 NYSE Common Stock 03/01/2025 Common Stock received in settlement of an employee grant of restricted stock units upon vesting. Issuer N 2378 03/01/2025 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. 05/05/2025 /s/ B. Frederik Prinzen