SCHEDULE 13G/A 0001199502 XXXXXXXX LIVE 23 Common Stock, $0.01 Par Value 03/31/2025 0000849869 Silgan Holdings Inc. 827048109 4 Landmark Square Suite 400 Stamford CT 06901 Rule 13d-1(d) R. Philip Silver X1 10105685.00 0.00 10105685.00 0.00 10105685.00 N 9.5 IN Silgan Holdings Inc. 4 Landmark Square, Suite 400, Stamford, CT, 06901 R. Philip Silver The business address of R. Philip Silver is c/o Silgan Holdings Inc., 4 Landmark Square, Suite 400, Stamford, Connecticut 06901. United States Y As of March 31, 2025, Mr. Silver may be deemed to be the beneficial owner of 10,105,685 shares of Common Stock. This amount consists of: (i) 61,411 shares of Common Stock owned directly by Mr. Silver over which he has sole voting and dispositive power and (ii) 10,044,274 shares of Common Stock owned by a family revocable trust for which Mr. Silver is the trustee with sole voting and dispositive power. According to the Issuer's most recent Annual Report on Form 10-K filed with the Securities and Exchange Commission on February 27, 2025, the number of shares outstanding of the Issuer's Common Stock as of February 1, 2025 was 106,794,650. The shares of Common Stock which Mr. Silver may be deemed to beneficially own as of March 31, 2025 constitute approximately 9.5% of such total number of shares of Common Stock outstanding. 10,105,685 0 10,105,685 0 Y N N Not Applicable N Not Applicable N Not Applicable N Not Applicable Y R. Philip Silver /s/ R. Philip Silver 04/11/2025