Silgan : 2022 Proxy Card

SILGAN HOLDINGS INC.

Using a black ink pen, mark your votes with an X as shown in this example. Please do not write outside the designated areas.

Annual Meeting Proxy Card

q IF VOTING BY MAIL, SIGN, DETACH AND RETURN THE BOTTOM PORTION IN THE ENCLOSED ENVELOPE. q

A	Proposals - The Board of Directors recommends that you vote FOR all nominees with respect to Proposal 1 and FOR Proposals 2 and 3.

1. ELECTION OF DIRECTORS (CLASS I)

Nominees (to serve until the Company's Annual Meeting of Stockholders in 2025 and until their successors are duly elected and qualified):

FOR all nominees listed below

WITHHOLD AUTHORITY to vote for all nominees listed below

• 01 Kimberly A. Fields

• 02 Brad A. Lich

• 03 R. Philip Silver

*(INSTRUCTION: To withhold authority to vote for any individual nominee, mark the "Exceptions" box and write that nominee's name in the space provided below).

EXCEPTIONS*

+

ForAgainst Abstain

2. To ratify the appointment of Ernst & Young LLP as the Company's independent registered public accounting firm for the fiscal year ending December 31, 2022.

3. Advisory vote to approve the compensation of the Company's named executive officers.

4. To consider and act upon any other business as may properly come before the meeting or any adjournment or postponement thereof.

ForAgainst Abstain

B	Change of Address - Please print new address below.

C	Authorized Signatures - This section must be completed for your vote to be counted. - Date and Sign Below

When signing as attorney, executor, administrator, trustee or guardian, please give full title as such. If a corporation, please provide the full name of the corporation and the signature of the authorized officer signing on its behalf.

Date (mm/dd/yyyy) - Please print date below.

Signature 1 - Please keep signature within the box. Signature 2 - Please keep signature within the box.

1UPX

+

03M9UC

q IF VOTING BY MAIL, SIGN, DETACH AND RETURN THE BOTTOM PORTION IN THE ENCLOSED ENVELOPE. q

SILGAN HOLDINGS INC.

4 LANDMARK SQUARE STAMFORD, CONNECTICUT 06901

THIS PROXY IS SOLICITED ON BEHALF OF THE BOARD OF DIRECTORS

The undersigned hereby appoints Anthony J. Allott, Adam J. Greenlee, Robert B. Lewis and Frank W. Hogan, III as Proxies, each with the power of substitution, and hereby authorizes each of them to represent and to vote, as designated below, all the shares of common stock, par value of $0.01 per share, of Silgan Holdings Inc., or the Company, held of record by the undersigned on April 12, 2022 at an Annual Meeting of Stockholders of the Company to be held on May 31, 2022 or any adjournment or postponement thereof.

When properly executed, this proxy will be voted in the manner directed herein by the undersigned stockholder. If no direction is made, this proxy will be voted FOR all nominees with respect to Proposal 1 and FOR Proposals 2 and 3.

(Continued and to be dated and signed on the reverse side.)