Company: AMKR
Filing Date: 2025-04-04
Form Type: DEF 14A
Source: 0001193125-25-073020
Chunk: 89

Company: AMKOR TECHNOLOGY, INC.
Filing Date: 2025-04-04
Form: DEF 14A
Chunk 89
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. Winston J. Churchill [ ] [ ] [ ] 1f. Daniel Liao [ ] [ ] [ ] 1g. John Liu [ ] [ ] [ ] 1h. MaryFrances McCourt [ ] [ ] [ ] 1i. Robert R. Morse [ ] [ ] [ ] For Against Abstain 1j. Gil C. Tily [ ] [ ] [ ] 1k. David N. Watson [ ] [ ] [ ] 2. Advisory vote to approve the compensation of our named executive officers. [ ] [ ] [ ] 3. Ratification of the appointment of PricewaterhouseCoopers LLP as our independent registered public accounting firm for the year ending December 31, 2025. [ ] [ ] [ ] 4. Approval to amend and restate our Certificate of Incorporation. [ ] [ ] [ ] NOTE: Such other business as may properly come before the meeting or any adjournment thereof. Please sign exactly as your name(s) appear(s) hereon. When signing as attorney, executor, administrator, or other fiduciary, please give full title as such. Joint owners should each sign personally. All holders must sign. If a corporation or partnership, please sign in full corporate or partnership name by authorized officer. Signature [PLEASE SIGN WITHIN BOX] Date Signature (Joint Owners) Date

Important Notice Regarding the Availability of Proxy Materials for the Annual Meeting: The Notice and Proxy Statement, Annual Report and Form 10-K are available at www.proxyvote.com. V64658-P28341 AMKOR TECHNOLOGY, INC. THIS PROXY IS SOLICITED ON BEHALF OF THE BOARD OF DIRECTORS ANNUAL MEETING OF STOCKHOLDERS MAY 15, 2025 The stockholder(s) hereby appoint(s) Susan Y. Kim and Giel Rutten, or either of them, as proxies, each with the power to appoint(his/her) substitute, and hereby authorize(s) them to represent and to vote, as designated on the reverse side of this ballot, all of the shares of Common Stock of Amkor Technology, Inc. that the stockholder(s) is/are entitled to vote at the Annual Meeting of Stockholders to be held at 9:00 a.m., Eastern Time on Thursday, May 15, 2025, virtually at www.virtualshareholdermeeting.com/AMKR 2025, and any adjournment or postponement thereof. THIS PROXY,