DEF 14A

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

PROXY STATEMENT PURSUANT TO SECTION 14(A) OF THE

SECURITIES EXCHANGE ACT OF 1934

(Amendment No. )

Filed by the Registrant ☒ Filed by a party other than the Registrant ☐

Check the appropriate box:


☐		Preliminary Proxy Statement

☐		Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

☒		Definitive Proxy Statement

☐		Definitive Additional Materials

☐		Soliciting Material Pursuant to §240.14a-12

AMKOR TECHNOLOGY, INC.

(Name of Registrant as Specified In Its Charter)

(Names of Person(s) Filing Proxy Statement, if other than the Registrant)

Payment of Filing Fee (Check the appropriate box):


☒		No fee required.

☐		Fee paid previously with preliminary materials.

☐		Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.

LOGO

2045 East Innovation Circle

Tempe, Arizona 85284

April 12, 2024

To Our Stockholders:

You are cordially invited to attend the 2024 Annual Meeting of Stockholders of Amkor Technology, Inc. to be held on Tuesday, May 14, 2024 at 9:00 a.m. EDT. We have determined that the Annual Meeting will be held in a virtual meeting format only, via the internet. You may attend the Annual Meeting, submit questions, and vote your shares electronically during the meeting via live webcast at meetnow.global/MRHAM2U. You will need the 15-digit control number printed on your proxy card to participate in the Annual Meeting. We recommend that you log in at least 15 minutes before the Annual Meeting to ensure you are logged in when the meeting starts.

The actions expected to be taken at the 2024 Annual Meeting of Stockholders are described in detail in the enclosed Proxy Statement and Notice of Annual Meeting of Stockholders. We also encourage you to read our 2023 Annual Report to Stockholders. It includes information about our company and our audited financial statements. A copy of our 2023 Annual Report to Stockholders was previously sent to you or is included with the enclosed Proxy Statement.

Please use this opportunity to take part in the affairs of Amkor Technology, Inc. by voting on the business to come before the 2024 Annual Meeting of Stockholders. Whether or not you plan to attend such meeting, please complete, sign, date, and return the accompanying proxy in the enclosed postage-prepaid envelope or submit your proxy by internet or telephone to ensure that your shares are represented at the Annual Meeting. Returning the proxy does NOT deprive you of your right to attend the Annual Meeting or to vote your shares during such meeting for the matters to be acted upon at such meeting.

Thank you for your continuing support.

Sincerely,

LOGO

James J. Kim

Executive Chairman of the Board

AMKOR TECHNOLOGY, INC.

NOTICE OF ANNUAL MEETING OF STOCKHOLDERS

To be held on May 14, 2024

Dear Amkor Stockholder:

On Tuesday, May 14, 2024, Amkor Technology, Inc., a Delaware corporation, will hold its 2024 Annual Meeting of Stockholders. The meeting will begin at 9:00 a.m. EDT. We have determined that the Annual Meeting will be held in a virtual meeting format only, via the internet. You may attend the Annual Meeting, submit questions, and vote your shares electronically during the meeting via live webcast at meetnow.global/MRHAM2U. You will need the 15-digit control number printed on your proxy card to participate in the Annual Meeting. We recommend that you log in at least 15 minutes before the Annual Meeting to ensure you are logged in when the meeting starts.

Only stockholders of record who held shares of Amkor Technology, Inc. common stock at the close of business on March 22, 2024 may vote at the Annual Meeting or any adjournments or postponements that may take place. A complete list of stockholders entitled to vote at the Annual Meeting will be available for examination by the stockholders for any purpose relating to such meeting at our principal executive office, located at 2045 East Innovation Circle, Tempe, Arizona 85284, for a period of at least 10 days prior to such meeting.

The list also will be available at the virtual Annual Meeting at meetnow.global/MRHAM2U.

At the 2024 Annual Meeting of Stockholders, stockholders will consider and act upon the following matters:

Election of the 11 directors named in the enclosed proxy statement;

An advisory vote to approve the compensation of our named executive officers;

Ratification of the appointment of PricewaterhouseCoopers LLP as our independent registered public accounting firm for the year ending December 31, 2024;

Shareholder proposal to report on effectiveness of the company’s diversity, equity, and inclusion efforts; and

Such other business as may properly come before the meeting and any adjournment or postponement thereof.

The Board of Directors recommends that you vote in favor of proposals 1, 2, and 3, and against proposal 4, as outlined in this proxy statement.

The approximate mailing date of the enclosed proxy statement and proxy card is April 12, 2024.

BY ORDER OF THE BOARD OF DIRECTORS

LOGO

Mark N. Rogers

Executive Vice President, General Counsel, and

Corporate Secretary

April 12, 2024

Tempe, Arizona

YOUR VOTE IS IMPORTANT

To assure your representation at the 2024 Annual Meeting of Stockholders, you are requested to complete, sign, and date the enclosed proxy as promptly as possible and return it in the enclosed postage-prepaid envelope or submit your proxy by internet or telephone.

Important Notice Regarding the Availability of Proxy Materials for the Stockholders

Meeting to Be Held on May 14, 2024:

The Proxy Statement for the 2024 Annual Meeting of Stockholders and our 2023 Annual Report to Stockholders for the year ended December 31, 2023 are available at: http://www.envisionreports.com/AMKR

TABLE OF CONTENTS


	PAGE
Information Concerning Solicitation and Voting		1

Proposal One: Election of Directors		4

Corporate Governance		10

Director Compensation		19

Director Compensation Table		20

Executive Officers		22

Executive Compensation		23

Compensation Discussion and Analysis		23

Summary Compensation Table		35

Grants of Plan-Based Awards		38

Outstanding Equity Awards at Fiscal Year-End		39

Option Exercises and Stock Vested		41

Employment, Severance, and Change in Control Arrangements		41

Potential Payments upon Termination or Change in Control		43

Security Ownership of Certain Beneficial Owners and Management		46

Pay versus Performance		51

Pay Ratio		55

Proposal Two: Advisory Vote to Approve the Compensation of Our Named Executive Officers		56

Proposal Three: Ratification of Appointment of Independent Registered Public Accounting Firm		56

Report of the Audit Committee of the Board of Directors		58

Proposal Four: Shareholder Proposal to Report on Effectiveness of the Company’s Diversity, Equity, and Inclusion Efforts		59

Incorporation by Reference		61

Delinquent Section 16(a) Reports		61

Delivery of Voting Materials to Stockholders Sharing an Address		61

Annual Report on Form 10-K		62

AMKOR TECHNOLOGY, INC.

PROXY STATEMENT

INFORMATION CONCERNING SOLICITATION AND VOTING

This proxy statement and the accompanying proxy card are furnished in connection with the solicitation of proxies by the Board of Directors (the “Board of Directors” or the “Board”) of Amkor Technology, Inc. (“Amkor,” “we,” “us,” or the “Company”). Our principal executive office is located at 2045 East Innovation Circle, Tempe, Arizona 85284, telephone number (480) 821-5000. The proxies will be voted at the Annual Meeting of Stockholders to be held on Tuesday, May 14, 2024 at 9:00 a.m. EDT and any adjournment or postponement thereof (the “Annual Meeting”).

The Annual Meeting will be held virtually, via the internet, at meetnow.global/MRHAM2U. At our virtual Annual Meeting, stockholders will be able to attend, vote, and submit questions via the internet.

We intend to mail definitive copies of these proxy materials on or about April 12, 2024 to stockholders of record who held our common stock at the close of business on March 22, 2024 (the “Record Date”).

The following is important information regarding the Annual Meeting and this proxy statement.

Q:	How can I attend the Annual Meeting?

We have determined that the Annual Meeting will be held in a virtual meeting format only, via the internet. You may attend the Annual Meeting, submit questions, and vote your shares electronically during the Annual Meeting via live webcast at meetnow.global/MRHAM2U. Stockholders as of the Record Date who attend and participate in the virtual Annual Meeting will have an opportunity to submit questions live via the internet during a designated portion of the Annual Meeting. You will need the 15-digit control number printed on your proxy card to submit questions or otherwise participate in the Annual Meeting.

In advance of the Annual Meeting, we encourage you to carefully review our admission procedures at meetnow.global/MRHAM2U. We also recommend that you log in at least 15 minutes before the start to ensure you are logged in when the Annual Meeting starts. If you encounter any technical difficulties accessing the Annual Meeting during check-in or at any other time during the Annual Meeting, please call the technical support phone number that will be posted on the virtual Annual Meeting login page.

Q:	What may I vote on?

The election of 11 nominees named in this proxy statement to serve on our Board of Directors (“Proposal One”);

An advisory vote to approve the compensation of our named executive officers (“Proposal Two”);

The ratification of the appointment of PricewaterhouseCoopers LLP as our independent registered public accounting firm for the year ending December 31, 2024 (“Proposal Three”); and

Shareholder proposal to report on effectiveness of the company’s diversity, equity, and inclusion efforts (“Proposal Four”).

Q:	How does the Board recommend I vote on the proposals?

A:	The Board recommends a vote FOR each of Proposal One, Proposal Two, and Proposal Three and a vote AGAINST Proposal Four.

Q:	Who is entitled to vote?

A:	Stockholders of record as of the close of business on the Record Date are entitled to vote at the Annual Meeting. Each stockholder is entitled to one vote for each share of common stock held on the Record Date. As of the Record Date, 246,155,251 shares of Amkor’s common stock were outstanding.

Q:	How do I vote?

A:	Registered holders may vote:

•

At the virtual Annual Meeting, by following the instructions at meetnow.global/MRHAM2U, using the 15-digit control number printed on your proxy card;

•

By mail, by signing and dating each proxy card you receive and returning it in the postage-prepaid envelope; or

•

By internet or telephone, following the instructions on the proxy card.

If your shares are held by a bank, brokerage firm, or other record holder, please refer to your proxy card or other information provided to you for instructions on how to vote.

If you hold your shares through a broker and do not provide your broker with specific voting instructions, under the rules that govern brokers in such circumstances, your broker will have the discretion to vote such shares on routine matters but not on non-routine matters. Even though we are a company listed on the Nasdaq Global Select Market (“Nasdaq”), the New York Stock Exchange (“NYSE”) rules govern how a broker licensed by the NYSE can vote shares it holds on behalf of stockholders of Nasdaq-listed companies. As a result, your broker:

•

will not have the authority to exercise discretion to vote your shares with respect to Proposal One, Proposal Two, or Proposal Four because NYSE rules treat those matters as non-routine; and

•

will have the authority to exercise discretion to vote your shares with respect to Proposal Three because that matter is treated as routine under NYSE rules.

Because the proposals to be acted upon at the Annual Meeting include both routine and non-routine matters, we anticipate that brokers may return proxy cards that vote uninstructed shares “FOR” or “AGAINST” Proposal Three, but expressly state that the broker is NOT voting on Proposal One, Proposal Two, or Proposal Four. A broker’s withholding of a vote, in this case with respect to Proposal One, Proposal Two, or Proposal Four, is referred to as a “broker non-vote.” Broker non-votes will not be counted as present or represented for purposes of determining whether stockholder approval of a matter has been obtained and thus will not have an effect on the outcome of the vote.

If you abstain from voting on Proposal Two, Proposal Three, or Proposal Four, the abstention will have the same effect as a vote against the proposal. If you abstain from voting on Proposal One, the abstention will not have an effect on the outcome of the vote.

Q:	What is the voting requirement to approve each of the proposals?

Under Proposal One, the 11 directors receiving the highest number of affirmative votes cast will be elected. The approval, on an advisory basis, of Proposal Two and the approval of Proposal Three and Proposal Four each requires the affirmative vote of a majority of the shares present in person or represented by proxy and entitled to vote on that proposal at the Annual Meeting. Abstentions are not counted in the tally of votes FOR or AGAINST a proposal but are counted as present in person or represented by proxy and entitled to vote. A withheld vote is the same as an abstention.

Q:	What is a “quorum”?

A:	A “quorum” is a majority of the outstanding shares entitled to vote at a meeting being present at the meeting or represented by proxy. There must be a quorum for a meeting to be held and action to be validly taken. If

you submit a properly executed proxy, even if you abstain from voting, then your shares will be counted toward the presence of a quorum at the Annual Meeting. If a broker indicates on a proxy that it does not have discretionary authority to vote certain shares on a particular matter (resulting in a broker non-vote), those shares will not be counted as present or represented for purposes of determining whether stockholder approval of that matter has been obtained but will be counted for purposes of establishing a quorum. Virtual attendance at our Annual Meeting constitutes presence in person for purposes of establishing a quorum.

Q:	How can I change my vote or revoke my proxy?

If you are a registered holder, you have the right to revoke your proxy and change your vote at any time before the Annual Meeting by: (i) submitting a later-dated proxy by mail, internet, or telephone; (ii) mailing a written notice of revocation to Amkor Technology, Inc., Attention: Corporate Secretary, 2045 East Innovation Circle, Tempe, Arizona 85284; or (iii) attending and voting at the virtual Annual Meeting. Attendance at the Annual Meeting, in and of itself, will not constitute a revocation of a proxy. If your shares are held by a bank, brokerage firm, or other record holder, please contact that firm or holder for instructions on how to change your vote or revoke your proxy.

Q:	What does it mean if I get more than one proxy card?

A:	It means you hold shares registered in more than one account. Submit all proxies to ensure that all your shares are voted.

Q:	Who can attend the Annual Meeting?

All stockholders as of the Record Date and persons holding a valid proxy for the Annual Meeting may attend the Annual Meeting via live webcast by following the instructions at meetnow.global/MRHAM2U. All attendees will need the 15-digit control number printed on their proxy card in order to be admitted to the Annual Meeting.

Q:	How will voting on any other business be conducted?

Although we do not know of any business to be considered at the Annual Meeting other than the proposals described in this proxy statement, if any other business is properly presented at the Annual Meeting, your proxy gives authority to James J. Kim, Amkor’s Executive Chairman, and Giel Rutten, Amkor’s President and Chief Executive Officer, to vote your shares on such matters at their discretion.

Q:	How and when may I submit proposals for the 2025 Annual Meeting of Stockholders?

To have your proposal included in our proxy statement and form of proxy for the Company’s 2025 Annual Meeting of Stockholders (the “2025 Annual Meeting”), we must receive your written proposal no later than December 13, 2024. You may submit proposals after this date for consideration at the 2025 Annual Meeting, but we are not required to include any proposal submitted after this date in the proxy statement for the 2025 Annual Meeting or the related proxy card.

If you intend to submit a proposal or nomination for director for the 2025 Annual Meeting (but not seek inclusion of such proposal or nomination in the Company’s proxy materials), you must comply with the advance notice provisions in our bylaws (the “Bylaws”). To be timely, we must receive written notice of your proposal no earlier than January 14, 2025 and no later than February 13, 2025.

All proposals must, under law, be an appropriate subject for stockholder action and must be submitted in writing to Amkor’s Corporate Secretary, Amkor Technology, Inc., 2045 East Innovation Circle, Tempe, Arizona 85284. You should also be aware of certain other requirements you must meet to have your proposal brought before the 2025 Annual Meeting. These requirements are explained in Rule 14a-8 under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and in the Bylaws.

Q:	Who is soliciting proxies?

A:	This solicitation of proxies is made by the Board of Directors. All related costs will be borne by Amkor.

We have retained the services of Computershare Trust Company, N.A. to aid in the distribution of our Annual Meeting materials to brokers, bank nominees, and other institutional owners. Proxies may also be solicited by certain of Amkor’s officers and regular employees, without additional compensation, in person or by telephone or facsimile.

PROPOSAL ONE

ELECTION OF DIRECTORS

At the Annual Meeting, the terms of our 11 incumbent directors will expire. Each of these 11 incumbent directors has been nominated to stand for election to the Board of Directors this year. Unless otherwise instructed, the proxy holders will vote the proxies received by them for the election of the 11 nominees named below. Each nominee has consented to be named as a nominee in this proxy statement and to serve as a director if elected. Should any nominee become unable or decline to serve as a director or should additional persons be nominated at the Annual Meeting, the proxy holders intend to vote all proxies received by them in such a manner as will assure the election of as many nominees identified below as possible (and, if additional nominees have been designated by the Board to fill any vacancies, in such manner as to elect such additional nominees). Our nominees for the election of directors include eight independent directors, as defined in the applicable rules for companies traded on Nasdaq. At the recommendation of the Nominating and Governance Committee of the Board (the “Nominating and Governance Committee”), the Board has selected the nominees to serve as directors for a one-year term until our next annual meeting and until their successor is duly elected and qualified or until their earlier resignation or removal. We expect that each nominee will be able to serve as a director.

Required Vote

Directors are elected by a plurality of votes cast, so the 11 candidates receiving the highest number of affirmative votes cast will be elected as directors. Votes withheld and broker non-votes are not counted toward the total votes cast in favor of a nominee.

Summary Information – Nominees for the Board of Directors

The Board considers various qualifications, characteristics, and other factors when evaluating individual directors, as well as the composition of the Board as a whole. As part of this process, the Board and the Nominating and Governance Committee review the particular experiences, qualifications, attributes, and skills of each nominee to determine if that person should stand for election to serve as a director of the Company.

Below is summary information, as of April 1, 2024, about the skills, experience, diversity, independence, tenure, and age for the 11 director nominees as a group, followed by biographies for the nominees. The biography for each of the nominees contains information regarding the person’s experience and director positions held currently or during the last five years and information regarding involvement in certain legal or administrative proceedings, to the extent applicable. The biographies also highlight the particular experiences, qualifications, attributes, or skills that caused the Nominating and Governance Committee and the Board to conclude that the person should be nominated to serve as a director of the Company.

Director Skills, Experience, and Diversity

Skills and Experience

Executive Management

●

Other Public Company Board Experience

●

Public Company CEO Experience

●

Corporate Governance

●

Finance or Accounting

●

Human Capital Management

●

Semiconductor Industry

●

Technology

●

Manufacturing

●

International Business

●

Gender

Male

●

Female

●

Non-Binary

Did Not Disclose Gender

Demographic Background

African American or Black

Alaskan Native or Native American

Asian

●

Hispanic or Latinx

Native Hawaiian or Pacific Islander

White

●

Two or More Races or Ethnicities

LGBTQ+

Did Not Disclose Demographic Background

Independence, Tenure, Age

LOGO

The slate of director nominees includes diverse candidates with a broad range of skills and experience. The tenure of director nominees, with a majority of the nominees having served for fewer than 10 years, demonstrates the Board’s desire to balance experience and refreshment. The age of director nominees is fairly distributed over three age ranges, two of the 11 nominees self-identify as female, and three of the 11 nominees self-identify as ethnically diverse.

The Board unanimously recommends a vote FOR the election of each of the nominees for director below.

Nominees for the Board of Directors

The following table sets forth, as of April 1, 2024, the names, ages, and positions with the Company of our 11 incumbent directors who are being nominated for re-election to the Board of Directors.


Name	Age		Position
James J. Kim		88	Executive Chairman of the Board
Susan Y. Kim		61	Executive Vice Chairman of the Board
Giel Rutten		66	President, Chief Executive Officer, and Director
Douglas A. Alexander (1)(4)		62	Director
Roger A. Carolin (1)(2)(3)(4)		68	Director
Winston J. Churchill (1)(3)(4)		83	Lead Independent Director
Daniel Liao (4)		70	Director
MaryFrances McCourt (2)(4)		62	Director
Robert R. Morse (2)(3)(4)		68	Director
Gil C. Tily (1)(4)		70	Director
David N. Watson (3)(4)		65	Director

Notes

(1)	Member of the Nominating and Governance Committee.

(2)	Member of the Audit Committee of the Board (the “Audit Committee”).

(3)	Member of the Compensation Committee of the Board (the “Compensation Committee”).

(4)	Qualifies as independent under Nasdaq listing standards and U.S. Securities and Exchange Commission (“SEC”) regulations, as determined by the Board of Directors.

Biographies of Nominees for the Board of Directors

James J. Kim. James J. Kim was appointed as Executive Chairman of the Board of Directors in October 2009. Mr. Kim served as our Chairman and Chief Executive Officer from September 1997 until October 2009. Mr. Kim founded our predecessor, Amkor Electronics, Inc., in 1968 and served as its Chairman from 1970 to April 1998. Mr. Kim is the father of Susan Y. Kim, Executive Vice Chairman of our Board.

As a result of these and other professional experiences, including his more than 50 years of service as our Chairman and Chief Executive Officer, Mr. Kim has a comprehensive understanding of the semiconductor industry and broad executive management experience in our business. He also possesses particular knowledge and experience in the manufacturing, international business, and finance areas relevant to the Company. The Board believes that the above skills and experiences qualify Mr. Kim for election to our Board.

Susan Y. Kim. Susan Y. Kim has been a director of Amkor since February 2015 and has served as Executive Vice Chairman of the Board of Directors since August 2020. Ms. Kim served as Vice Chairman of the Board of Directors from May 2020 to August 2020. She is an active philanthropist who also sits on the Board of

Trustees of the Catholic Foundation of Greater Philadelphia. In the past, she has served on numerous boards of directors, including the National Constitution Center, The Franklin Institute, the Gesu School, The Shipley School, and EB Games Corp. Ms. Kim holds a B.A. in Sociology from Hamilton College and is the daughter of Mr. Kim.

As a result of these and other professional experiences, including her experience in the semiconductor industry, human capital management experience, and service as a director on the board of an international publicly traded consumer electronics company, the boards of several educational institutions and charitable organizations, and numerous other boards, Ms. Kim possesses particular knowledge and experience that qualify her for election to our Board.

Giel Rutten. Giel Rutten was appointed President, Chief Executive Officer, and a director of the Company in June 2020. Mr. Rutten joined Amkor in February 2014 as Executive Vice President of Advanced Products and served in that role until he was appointed Executive Vice President of the Company in February 2020. Before joining Amkor, he served as Chief Executive Officer of Ledzworld, an LED technology company. Prior to that, he served as Senior Vice President for the Home Business Unit of NXP B.V. (formerly Philips Semiconductors). Mr. Rutten first joined Philips Semiconductors in 1984 and took on various key management positions in the areas of general management, sales and marketing, operations, and engineering in Europe, Asia, and the United States. Mr. Rutten holds a Master’s degree in Physics and Chemistry from the University of Nijmegen, the Netherlands and has more than 35 years of experience in the global semiconductor industry.

As a result of these and other professional experiences, Mr. Rutten has a comprehensive understanding of the semiconductor industry and broad executive management experience in our business and possesses particular knowledge and experience in technology, manufacturing, and international business, which are among the key attributes that qualify Mr. Rutten for election to our Board.

Douglas A. Alexander. Douglas A. Alexander has been a director of Amkor since February 2018. Mr. Alexander was an original member of the advisory board of Actua Corporation (formerly ICG Group, Inc.), a multi-vertical cloud technology company. Mr. Alexander joined Actua full-time in September 1997 as Managing Director and was appointed President in January 2009, where he served until December 2017. During his tenure at Actua, Mr. Alexander served in many senior management roles, including as: CEO of WiseWire Technologies, which was acquired by Lycos; CEO of ICG Europe; CEO of Traffic.com, which was acquired by Navteq; and CEO of Channel Intelligence, which was acquired by Google. Mr. Alexander has served on the boards of directors for GovDelivery, Procurian, Bolt, and SponsorHouse, Inc., d/b/a Hookit and served as the Co-Chairman of the Philadelphia National Foundation for Teaching Entrepreneurship (NFTE). He also serves on the Management & Technology Executive Board at the University of Pennsylvania (“UPenn”), where he previously served as Chairman. Mr. Alexander holds a B.S. in Electrical Engineering from UPenn and a B.S. in Economics from the Wharton School of Business at UPenn.

As a result of these and other professional experiences, Mr. Alexander possesses particular knowledge and experience in executive management, corporate governance, international business, and the finance, human capital management, and technology areas relevant to our business, which are among the key attributes that qualify Mr. Alexander for election to our Board.

Roger A. Carolin. Roger A. Carolin has been a director of Amkor since February 2006. Mr. Carolin is currently a Venture Partner at SCP Partners, a multi-stage venture capital firm that invests in technology-oriented companies, a position he has held since 2004. Mr. Carolin works to identify attractive investment opportunities and assists portfolio companies in the areas of strategy development, operating management, and intellectual property. Mr. Carolin co-founded CFM Technologies, Inc., a global manufacturer of semiconductor process equipment, and served as its Chief Executive Officer for 10 years until the company was acquired. Mr. Carolin formerly worked for Honeywell, Inc. and General Electric Co., where he developed test equipment and advanced computer systems for on-board missile applications. Mr. Carolin is a director of Innovative Solutions and

Support, Inc. and FourthWall Media, Inc. Mr. Carolin holds a Bachelor’s degree in Electrical Engineering from Duke University and an M.B.A. from the Harvard Business School.

As a result of these and other professional experiences and his prior service on our Board, Mr. Carolin has a significant understanding of the semiconductor industry and our business and possesses particular knowledge and experience in executive management, corporate governance, and the technology, manufacturing, and finance areas relevant to our business, which are among the key attributes that qualify Mr. Carolin for election to our Board.

Winston J. Churchill. Winston J. Churchill has been a director of Amkor since July 1998 and was appointed Lead Independent Director in August 2013. Mr. Churchill is the managing general partner of SCP Partners and the Chairman of CIP Capital Management, Inc., an SBA-licensed private equity fund. Previously, Mr. Churchill was a managing partner of Bradford Associates, which managed private equity funds on behalf of Bessemer Securities Corporation and Bessemer Trust Company. From 1967 to 1983, Mr. Churchill practiced law at the Philadelphia firm of Saul Ewing, LLP, where he served as Chairman of the Banking and Financial Institutions Department, Chairman of the Finance Committee, and a member of the Executive Committee. Mr. Churchill is a director of Societal CDMO, Inc., Baudax Bio, Inc., and of various SCP Partners portfolio companies, and he served as a director of INDUS Realty Trust, Inc. (formerly Griffin Industrial Realty, Inc.) from 1997 to 2017, and of Innovation Solutions and Support, Inc. from 1990 to 2023. In addition, he serves on the boards of a number of charities and as a trustee of educational institutions, including the Gesu School and as Chairman of the Young Scholars Charter School. He is a Trustee Fellow of Fordham University and a former Trustee of Georgetown University. From 1989 to 1993, Mr. Churchill served as Chairman of the Finance Committee of the Pennsylvania Public School Employees’ Retirement System.

As a result of these and other professional experiences and his prior service on our Board, Mr. Churchill has a significant understanding of our business and the semiconductor industry and possesses particular knowledge and experience in executive management, corporate governance, and the technology, finance, and human capital management areas relevant to our business, which are among the key attributes that qualify Mr. Churchill for election to our Board.

Daniel Liao. Daniel Liao has been a director of Amkor since May 2019. Mr. Liao has served as the Co-Founder of Eunodata Co., Ltd., an integrated data service provider for the semiconductor manufacturing industry, since January 2023. He served as the Senior Advisor of Asia Pacific Regions for Lam Research Corporation (“Lam”), a semiconductor processing equipment company, from February 2020 to February 2022. Previously, Mr. Liao served as a senior executive at Lam from 1993 until his retirement in February 2020, at which time he was serving as Chairman of Lam Asia Pacific Operations (Taiwan, China, and Southeast Asia regions). During his career at Lam, he was a major contributor to the global product development, strategic planning, and growth of Lam’s Asia Pacific business. Prior to joining Lam, Mr. Liao held engineering management and technology leadership positions at Integrated Device Technology, Inc. in Santa Clara from 1988 to 1993 and Intel Corporation in Livermore and Santa Clara from 1984 to 1988. Mr. Liao is also a member of the board of directors of Photronics, Inc., a global provider of photomask products and services. He holds a Bachelor’s degree in Electrical Engineering from National Cheng Kung University in Taiwan and a Master’s degree in Electrical Engineering and Applied Physics from Case Western Reserve University.

As a result of these and other professional experiences, Mr. Liao has a thorough understanding of the semiconductor industry and broad management experience and possesses particular knowledge and experience in executive management, corporate governance, international business, and the human capital management, technology, and manufacturing areas relevant to our business, which are among the key attributes that qualify Mr. Liao for election to our Board.

MaryFrances McCourt. MaryFrances McCourt has been a director of Amkor since February 2018. From April 2022 through September 2023, Ms. McCourt served as the Chief Financial Officer of the University of

Chicago (“UChicago”), where she oversaw the financial services, controllership, treasury and capital markets, human resources, information technology services, risk management, compliance, internal audit, and shared services functions at UChicago. Prior to joining UChicago in 2022, Ms. McCourt was the Senior Vice President of Finance and Treasurer at UPenn and served in similar management roles since joining UPenn in March 2016. At UPenn, Ms. McCourt led UPenn’s cash and short-term investment and capital financing strategies, oversaw UPenn’s financial functions, was responsible for UPenn’s multi-year financial planning efforts, collaborated closely with UPenn Medicine leadership on its growth and financial planning, and managed the strategic and operational direction of a variety of functions, including the Comptroller’s Office, financial training, global support services, research services, risk management and insurance, student registration and financial services, and the Treasurer’s Office. Prior to joining UPenn, Ms. McCourt was the Senior Vice President and Chief Financial Officer at Indiana University. Ms. McCourt has also served in financial management positions for Agilysys, Inc., a diversified enterprise focused on technology and enterprise system solutions. She earned her Bachelor’s degree magna cum laude from Duke University and an M.B.A. from Case Western University.

As a result of these and other professional experiences, Ms. McCourt possesses particular knowledge and experience in executive management and the finance and human capital management areas relevant to our business, which are among the key attributes that qualify Ms. McCourt for election to our Board.

Robert R. Morse. Robert R. Morse has been a director of Amkor since February 2013. Mr. Morse has served as Executive Chairman of Bridge Investment Group Holdings, Inc., a real estate fund manager, since January 2011. Previously, Mr. Morse served in various positions with Citigroup, Inc. (“Citi”) and Salomon Smith Barney since the 1980s, including Chief Executive Officer of Citi’s Asia Institutional Client Group and Global Head of Investment Banking. Mr. Morse is a graduate of Yale University, Harvard Business School, and Harvard Law School.

As a result of these and other professional experiences, Mr. Morse possesses particular knowledge and experience in executive management, corporate governance, international business, and the finance, human capital management, technology, and manufacturing areas relevant to our Company, which are among the key attributes that qualify Mr. Morse for election to our Board.

Gil C. Tily. Gil C. Tily has been a director of Amkor since May 2019. Mr. Tily served as Amkor’s Executive Vice President, Chief Administrative Officer, General Counsel, and Corporate Secretary from May 2008 until his retirement in June 2019. Prior to that, he served as General Counsel and Corporate Secretary of the Company from June 2007 to May 2008. Since July 2020, Mr. Tily has also served, in his capacity as a director, in the Board’s Strategic Oversight Role, through which he provides additional strategic oversight of the management and business of the Company. Prior to joining Amkor in June 2007, Mr. Tily was a partner in the law firm of Dechert LLP, where he worked for 28 years. Mr. Tily holds an A.B. in Politics from Princeton University and a J.D. from the University of Pittsburgh School of Law.

As a result of these and other professional experiences, Mr. Tily has a thorough understanding of the semiconductor industry and broad executive management experience and possesses particular knowledge and experience in corporate governance, international business, and the human capital management and finance areas relevant to our business, which are among the key attributes that qualify Mr. Tily for election to our Board.

David N. Watson. David N. Watson has been a director of Amkor since August 2014. Mr. Watson is currently serving as the President and Chief Executive Officer of Comcast Cable Communications, LLC (“Comcast Cable”). Prior to his current role, Mr. Watson served as the Executive Vice President and Chief Operating Officer of Comcast Cable, where he was responsible for day-to-day operations of the cable division, including sales and marketing of cable video, high-speed internet, and voice services, as well as oversight of the three operating divisions and Comcast Spotlight, the advertising sales unit. Before joining Comcast Cable in 1991, he served for seven years with Comcast Cellular Communications, Inc., first as Senior Vice President of sales and marketing and later as President. Previously, he headed sales and marketing efforts at Bell Atlantic

Mobile and Metrophone. In November 2021, Mr. Watson was inducted into the Cable Hall of Fame, which celebrates the most influential leaders in the content and connectivity industry.

As a result of these and other professional experiences, Mr. Watson has broad executive management experience and possesses particular knowledge and experience in corporate governance and the human capital management and technology areas relevant to our business, which are among the key attributes that qualify Mr. Watson for election to our Board.

CORPORATE GOVERNANCE

Board and Committee Meetings

The Board of Directors held four meetings during 2023. All directors attended at least 75% of all Board of Directors and applicable committee meetings. The standing committees of the Board and membership are as follows:

Audit Committee

The Audit Committee is a separately-designated, standing audit committee established in accordance with Section 3(a)(58)(A) of the Exchange Act. The current members of the Audit Committee are Mr. Carolin, Ms. McCourt, and Mr. Morse. Mr. Carolin currently serves as the Chairman of the Audit Committee.

Our Board of Directors has determined that each of Mr. Carolin, Ms. McCourt, and Mr. Morse meets the independence and financial sophistication requirements set forth in the Nasdaq listing standards and that each also qualifies as an “audit committee financial expert” as defined in SEC regulations. The responsibilities of the Audit Committee include, but are not limited to:

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pre-approving all audit, audit-related, and non-audit services provided to Amkor by Amkor’s independent registered public accounting firm;

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appointing, compensating, retaining, and overseeing the work of the independent registered public accounting firm;

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reviewing and providing guidance with respect to the external audit and Amkor’s relationship with its independent registered public accounting firm;

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reviewing and discussing with management and the independent registered public accounting firm the contents of periodic reports filed with the SEC and Amkor’s earnings releases;

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reviewing and providing guidance regarding Amkor’s internal audit function;

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reviewing and approving related party transactions (unless such review and approval is conducted by another independent body of the Board of Directors);

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discussing with management and internal audit representatives the activities, organizational structure, and qualifications of our internal audit function;

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reviewing any significant findings presented by management or internal auditors regarding the effectiveness of, or any deficiencies in, the design or operation of internal control over financial reporting and any fraud, whether or not material, that involves management or other employees who have a significant role in our internal control over financial reporting and reviewing before release the disclosure regarding Amkor’s system of internal control over financial reporting required under SEC rules to be contained in Amkor’s periodic filings and the attestations or reports by the independent registered public accounting firm relating to such disclosure;

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overseeing compliance with SEC disclosure requirements regarding Audit Committee membership, member qualifications, and related activities and the services provided by our independent registered public accounting firm;

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reviewing any legal matters that our general counsel has concluded could have a significant impact on our financial statements;

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obtaining from the independent auditors assurance that Section 10A(b) of the Exchange Act has not been implicated;

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reviewing our policies and practices with respect to financial risk assessment, financial risk management, and cybersecurity and information security and discussing with management the steps that have been taken to monitor and control such risks;

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instituting special investigations as and when the Audit Committee determines appropriate and necessary;

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engaging and determining funding for outside legal, accounting, or other advisors as and when the Audit Committee determines appropriate and necessary for the conduct of its duties;

•

providing appropriate funding, as determined by the Audit Committee, for (i) compensation to the independent auditors for the purpose of rendering or issuing an audit report or performing other audit, review, or attest services for the Company and (ii) for the payment of ordinary administrative expenses that are necessary or appropriate in carrying out its duties;

•

annually reviewing the adequacy of the Audit Committee’s charter;

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periodically reviewing and re-examining the Audit Committee’s structure, processes, and membership requirements and making recommendations to the Board regarding any proposed changes;

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annually reviewing and approving the Company’s decision to enter into swaps that are exempt from mandatory exchange execution and clearing pursuant to the “end-user” and “treasury affiliate” exceptions, the Company’s policy regarding the use of such swaps, and any related transactions;

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reviewing and approving the audit committee report for inclusion in our annual proxy statement; and

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establishing procedures for the confidential, anonymous submission by employees of concerns about questionable accounting or auditing matters.

The Board of Directors has adopted a written charter for the Audit Committee, a copy of which is available on our website under the heading “Company Overview > Corporate Governance” at https://ir.amkor.com. During 2023, the Audit Committee met eight times. In executing their responsibilities, Audit Committee members regularly communicate with our management and independent registered public accounting firm.

Compensation Committee

The current members of the Compensation Committee are Messrs. Churchill, Carolin, Morse, and Watson. Mr. Churchill currently serves as the Chairman of the Compensation Committee. Our Board of Directors has determined that each of Messrs. Churchill, Carolin, Morse, and Watson meets the independence requirements set forth in the Nasdaq listing standards and SEC regulations. The responsibilities of the Compensation Committee include, but are not limited to:

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reviewing, approving, and/or making recommendations to the Board regarding director compensation;

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reviewing, approving, and/or making recommendations to the Board regarding all forms of compensation to be provided to our Chief Executive Officer and all of our other executive officers;

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conducting an annual performance review of, and setting annual performance goals for, the Chief Executive Officer and reporting to the Board regarding such matters;

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reviewing, approving, and/or making recommendations to the Board regarding general compensation goals, guidelines, and bonus criteria for our employees;

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administering and interpreting the terms and conditions of all current and future equity incentive plans;

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administering and interpreting the terms and conditions of the Company’s Excess Compensation Recovery Policy (the “Clawback Policy”), including acting as “Administrator” (as defined in the Clawback Policy) of the Clawback Policy, which includes making all determinations necessary, appropriate or advisable for the administration of the Clawback Policy, and consulting with the full Board or such other committees of the Board as necessary or appropriate as to matters within the scope of such other committee’s responsibility and authority;

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reviewing the Clawback Policy and recommending any proposed changes to the Board;

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reviewing, approving, and/or making recommendations to the Board, as appropriate, regarding other plans that provide for compensation to our employees, directors, and consultants;

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reviewing and approving any material amendments to the Amkor Technology, Inc. 401(k) Plan (the “401(k) Plan”);

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assessing and monitoring risks related to the Company’s compensation policies and practices;

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reviewing and discussing with management the compensation discussion and analysis and compensation committee report disclosures in our annual proxy statement;

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authorizing the repurchase of shares from terminated employees;

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annually reviewing the adequacy of the Compensation Committee’s charter;

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periodically reviewing and re-examining the Compensation Committee’s structure, processes, and membership and making recommendations to the Board for any proposed changes; and

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any other functions as may be authorized by the Board or pursuant to the Company’s equity compensation plans.

When appropriate, the Compensation Committee may form and delegate authority to subcommittees to carry out any of the responsibilities under its charter. In addition, periodically, or as deemed appropriate, the Compensation Committee shall: (i) review and discuss with the Board the Company’s philosophy, processes, and procedures for the consideration and determination of non-employee director compensation; and (ii) evaluate the amount and type of director compensation, including the allocation between cash and equity-based compensation. In its review of director compensation, the Compensation Committee may consider, among other information, comparative data, advice, and recommendations from independent compensation consultants, the Company’s management team, and other advisors.

The Compensation Committee’s executive compensation determinations are subjective and the result of its business judgment, which is informed by the experience of its members and input provided by its independent compensation consultant, our CEO (other than with respect to his own compensation), and other members of management. Our Corporate Secretary and our law and human resources departments support the Compensation Committee in recommending director compensation and creating director compensation programs. In addition, the Compensation Committee can engage outside advisors, experts, and others for further assistance.

The Compensation Committee conducted an assessment of its independent compensation consultant, Frederic W. Cook & Co., Inc. (“F.W. Cook”), with respect to the factors set forth in Nasdaq and SEC rules. As a result of such assessment, the Compensation Committee concluded that the work performed by F.W. Cook for the Compensation Committee in 2023 did not raise any conflicts of interest.

The Board has adopted a written charter for the Compensation Committee, a copy of which is available on our website under the heading “Company Overview > Corporate Governance” at https://ir.amkor.com. During 2023, the Compensation Committee met eight times.

Nominating and Governance Committee

The current members of the Nominating and Governance Committee are Messrs. Churchill, Alexander, Carolin, and Tily. Mr. Churchill currently serves as the Chairman of the Nominating and Governance Committee.

Our Board of Directors has determined that each of Messrs. Churchill, Alexander, Carolin, and Tily meets the independence requirements set forth in the Nasdaq listing standards and SEC regulations. The responsibilities of the Nominating and Governance Committee include, but are not limited to:

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evaluating the current composition, organization, and governance of the Board and its committees, including through a review of the appropriateness of the continued service of any Board member who changes the position or responsibility that he or she held when he or she was elected to the Board, and making recommendations regarding such matters to the Board;

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periodically assessing desired Board qualifications, expertise, and characteristics for potential Board members;

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identifying, evaluating, and proposing nominees for election to the Board and, as necessary, filling any newly created directorship or vacancy on the Board;

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developing policies and procedures regarding the review and recommendation of nominees for director;

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reviewing stockholder proposals relating to corporate governance and other matters and recommending to the Board the Company’s response to such proposals;

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reviewing the disclosures in our annual proxy statement regarding the policies and procedures related to stockholder communications with the Board and nomination of candidates to the Board;

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annually reviewing the Nominating and Governance Committee’s own performance and overseeing the performance evaluation process for the Board and its committees;

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evaluating and making recommendations to the Board of Directors concerning the appointment of directors to Board committees, the selection of committee chairs, and the proposal of a slate of nominees for election to the Board of Directors;

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evaluating and recommending termination of individual directors in accordance with the Company’s Corporate Governance Guidelines (the “Corporate Governance Guidelines”) and the Bylaws;

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annually reviewing the adequacy of the Nominating and Governance Committee’s charter;

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periodically reviewing and re-examining the Nominating and Governance Committee’s structure, processes, and membership and recommending any proposed changes to the Board of Directors;

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periodically reviewing the Corporate Governance Guidelines and the Company’s Insider Trading Policy, Code of Business Conduct (the “Code of Business Conduct”), Director Code of Ethics (the “Director Code of Ethics”), Policy on Fair Disclosure, and corporate governance procedures and recommending any proposed changes to the Board;

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reviewing and recommending to the Board proposed changes to the Company’s Certificate of Incorporation and the Bylaws;

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monitoring and periodically reviewing the Company’s new director orientation program;

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reviewing the succession planning for the Company’s senior executive officers, including, but not limited to, the Chief Executive Officer of the Company;

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periodically reviewing and making recommendations, as appropriate, regarding continuing education for members of the Board; and

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reviewing and overseeing matters related to environmental, social, and governance (“ESG”) issues and periodically reporting to the Board with respect thereto.

The Board has adopted a written charter for the Nominating and Governance Committee, which is available on our website under the heading “Company Overview > Corporate Governance” at https://ir.amkor.com. During 2023, the Nominating and Governance Committee met eight times.

The Nominating and Governance Committee’s goal is to ensure that the Board of Directors is made up of individuals of high integrity, personal character, and ethical standards and that the Board reflects a diverse range of professional backgrounds and experience relevant to our business. In the biographies of each of the nominees to the Board described above, we highlighted the experiences and qualifications that were among the most important to the Nominating and Governance Committee and the Board in concluding that each such nominee should serve on our Board. The Nominating and Governance Committee determines the required selection criteria and qualifications of director nominees based upon the needs of our Company at the time nominees are considered. When evaluating a director nominee, the Nominating and Governance Committee considers, among other factors, the director nominee’s character, judgment, independence, age, expertise, length of service, other commitments, and diversity in experience and background, including (but not limited to) race, gender or gender identity, sexual orientation, professional background, and geographic and industry experience, and whether such factors will strengthen the Board’s collective qualifications, skills, and experience and enhance the Board’s performance of its responsibilities in the oversight of our business.

The Nominating and Governance Committee will consider the above factors, and uses the same process, for evaluating all director nominees, regardless of the original source of nomination. The Nominating and Governance Committee does not currently use the services of any third-party search firm to assist in the identification or evaluation of Board member candidates. The Nominating and Governance Committee may, however, use such services in the future as it deems necessary or appropriate.

It is the policy of the Nominating and Governance Committee to consider both recommendations and nominations from stockholders for candidates to the Board of Directors. Stockholders wishing to recommend a candidate for consideration by the Nominating and Governance Committee for election to the Board of Directors can do so by writing to our Corporate Secretary at our principal executive office. Stockholders must provide (i) such candidate’s name, home address, and business address, (ii) a representation that the nominating person intends to appear in person or by proxy at the meeting to nominate the candidate, (iii) if known, the class and total number of shares of Amkor stock beneficially owned by the candidate, (iv) the total number of shares of Amkor stock that will be voted by the nominating stockholder for such candidate, (v) a description of all arrangements or understandings between the nominating person and the candidate and any other person (naming such person) pursuant to which the nomination is being made, (vi) detailed biographical data and qualifications, including such candidate’s age, principal occupation, and other information required to be disclosed in solicitations of proxies for election of directors pursuant to the Exchange Act, applicable Nasdaq listing standards, and other applicable law, (vii) written indication of the candidate’s willingness to serve if elected, (viii) the name and address of the nominating person and any other beneficial owner of such stock, (ix) the class and number of shares of Amkor stock owned by the nominating person and any other beneficial owner of such stock, and (x) a representation whether the nominating person or any other beneficial owner intends, or is part of a group which intends, to deliver a proxy statement and/or form of proxy to holders of at least the percentage of Amkor’s outstanding stock required to elect the candidate and/or otherwise to solicit proxies from stockholders in support of the nomination. Nominations for consideration at the 2025 Annual Meeting must be received by our Corporate Secretary no earlier than January 14, 2025 and no later than February 13, 2025.

Director Independence

The Board of Directors has determined that each of Messrs. Alexander, Carolin, Churchill, Liao, Morse, Tily, and Watson and Ms. McCourt is independent under the Nasdaq listing standards and SEC rules. In reaching a determination that Mr. Churchill is independent under the Nasdaq listing standards and SEC rules, the Board of Directors considered certain relationships between entities affiliated with Mr. Churchill and entities affiliated with Mr. Kim. These relationships include transactions, investments, or partnerships in which Mr. Churchill and Mr. Kim, or entities affiliated with them, have a direct or indirect financial interest. None of these relationships involved Amkor. The Board determined that Mr. Churchill satisfies the independence requirements set forth by both Nasdaq and the SEC. In reaching a determination that Mr. Morse is independent under the Nasdaq listing standards and SEC rules, the Board considered investments which Mr. Kim has in funds affiliated with an entity

in which Mr. Morse has an interest. These investments do not involve Amkor. The Board determined that Mr. Morse satisfies the independence requirements set forth by both Nasdaq and the SEC.

Communications with the Board of Directors

We have a process by which our stockholders can send communications to the Board, and that process was designed to enable the Board or individual directors, as applicable, to hear the views of our stockholders so that appropriate responses can be provided to our stockholders in a timely manner. Stockholders may communicate with the Board of Directors by writing to us at Amkor Technology, Inc., Attention: Corporate Secretary, 2045 East Innovation Circle, Tempe, Arizona 85284. Stockholders who would like their submission directed to a particular Board member may so specify, and the communication will be forwarded, as appropriate.

Corporate Governance Guidelines and Codes of Ethics

Our Board has adopted the Corporate Governance Guidelines, the Code of Business Conduct, which applies to all of our officers and employees worldwide, and the Director Code of Ethics, which applies to our directors. These documents are available on our website under the heading “Company Overview > Corporate Governance” at https://ir.amkor.com.

Board Leadership Structure

As part of its review of Amkor’s overall corporate governance practices, the Board of Directors periodically reviews its leadership structure. James J. Kim, Amkor’s founder, serves as the Executive Chairman of the Board of Directors. Amkor has a separate President and Chief Executive Officer, Giel Rutten, who is also a member of the Board of Directors. As a result of this structure, Amkor continues to benefit from Mr. Kim’s extensive experience in the semiconductor industry and management expertise based on his longstanding leadership role. Amkor also benefits from the expertise and broad management experience that our President and Chief Executive Officer, Mr. Rutten, brings to the Board.

Susan Y. Kim serves as Executive Vice Chairman of the Board. In this role, she assists the Chairman of the Board, presides over meetings of the Board in the absence of the Chairman, works closely with the Company’s senior executives in formulating Company strategy, and performs such other duties and responsibilities as set forth in the Bylaws or determined by the Board or the Chairman from time to time.

The Board has established the position of Lead Independent Director of the Board. The Lead Independent Director is responsible for coordinating the activities and agenda for the Board’s independent directors, serving as liaison between the Chairman and the Board’s independent directors, advising the Chairman regarding the flow of information from management necessary for the independent directors to effectively and responsibly perform their duties, consulting with the Chief Executive Officer regarding any concerns of the other directors, consulting with significant stockholders and other interested parties when appropriate, and such other responsibilities as set forth in the Corporate Governance Guidelines. The independent directors have designated Mr. Churchill to serve as Lead Independent Director of the Board.

We believe this Board structure is effective for Amkor and reflects an appropriate allocation of leadership responsibilities.

Executive Sessions

Consistent with our Corporate Governance Guidelines, the non-employee directors of the Board regularly hold executive sessions. The Audit Committee, in accordance with its charter, meets separately with our Chief Financial Officer throughout the year to review our financial affairs and meets separately in sessions with our independent registered public accounting firm, internal auditors, general counsel, and other members of

management at such times as the Audit Committee deems appropriate to fulfill its responsibilities under its charter. The Nominating and Governance Committee and the Compensation Committee also meet in executive session as deemed appropriate.

Risk Oversight

The Board is responsible for overseeing Amkor’s risk management process and views risk oversight as one of the important functions it performs. While the Board is ultimately responsible for risk oversight, Board committees assist the Board in administering and fulfilling this oversight responsibility through periodic meetings and discussions with management and Company advisors and report to the full Board with respect to certain categories of risk. With the assistance of the Nominating and Governance Committee, the Board has identified certain categories of risk to the Company, assigned oversight responsibility with respect to those risks to the Board as a whole, and delegated to its committees specific categories of risk based on the particular functions and responsibilities of such committees. The Board’s role in risk oversight has not affected its leadership structure.

As part of its overall responsibility for risk oversight, the Board directly oversees, among other areas, business strategy, customer and industry trends, financial performance, liquidity and capital expenditures, operations, insurance coverage, intellectual property, research and development, labor and human resources, and litigation. Senior management regularly, and at least annually, briefs the Board regarding cybersecurity and other information security matters relevant to the Company. The Audit Committee is responsible for, among other areas, reviewing the Company’s practices with respect to cybersecurity, information security, and financial risk oversight, which includes overseeing risks related to financial reporting and accounting, internal controls, disaster recovery, fraud, and taxes. The Compensation Committee assesses and monitors risks related to our compensation practices and other related areas. The Nominating and Governance Committee has responsibility for oversight of risks related to, among other areas, ESG and the Company’s corporate governance policies and practices that help position the Board to effectively carry out its risk oversight responsibility.

Amkor’s management is responsible for day-to-day risk management, which includes administration of the Company’s Enterprise Risk Management Program (the “ERM Program”). The ERM Program was instituted to formalize a practice for identifying and assessing the risks to Amkor’s business and to provide a top-down, holistic view of the risks that affect Amkor’s ability to achieve its objectives. Management’s ongoing risk management responsibilities also include identifying, evaluating, and addressing potential risks that may exist at the enterprise, strategic, financial, and operating levels and the development of processes for mitigating these risks. At periodic meetings of the Board and its committees and in other meetings and discussions, management reports to, and seeks guidance from, the Board and its committees, as applicable, with respect to matters that could affect the Company’s risk profile, strategic plans, risk mitigation strategies, and other aspects of the Company’s business. The Board oversees and monitors management in the execution of its risk oversight role. We believe that our Lead Independent Director’s understanding of our business, his specific knowledge and experience in corporate governance and legal areas relevant to our business, and his service on other boards of directors enables him to appropriately support the Board in its efforts to oversee risks affecting the Company. Additionally, the Board has created a Strategic Oversight Role, the purpose of which is to provide additional strategic oversight of the management and business of the Company with respect to leadership transitions, strategic initiatives, business risk, and succession planning. The Board has appointed Mr. Tily to serve in the Strategic Oversight Role in his capacity as a director.

Annual Meeting Attendance

All directors are encouraged, but not required, to attend our annual meetings of stockholders. All of the directors who were serving on the Board at the time of the 2023 Annual Meeting of Stockholders (the “2023 Annual Meeting”) attended the 2023 Annual Meeting.

Certain Relationships and Related Transactions

Related Party Transactions

Since January 1, 2023, there have been no related party transactions that are required to be reported under SEC rules.

Review and Approval of Related Party Transactions

We have a written policy on related party transactions that governs all relationships and transactions in which we and our directors, executive officers, or their immediate family members are participants. As required under SEC rules, transactions between the Company and related persons that are determined to be directly or indirectly material to the related person must be disclosed in our proxy statement. Management is primarily responsible for the development and implementation of processes and controls to obtain information from our directors and executive officers with respect to transactions between the Company and related parties and determining, based on the facts and circumstances, whether a related party has a direct or indirect material interest in the transaction. In addition, pursuant to the Audit Committee’s charter, the Audit Committee reviews and approves related party transactions in accordance with Nasdaq rules. In the course of its review and approval of a disclosable related party transaction, the Audit Committee considers:

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whether the transaction is in the best interest of the Company and its stockholders;

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the nature of the related party’s interest in the transaction;

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the material terms of the transaction, including, without limitation, the amount and type of transaction;

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the importance of the transaction to the related party;

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whether the transaction would impair the judgment of a director or executive officer to act in our best interest; and

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any other matters the Audit Committee deems appropriate.

Any member of the Audit Committee who is a related party with respect to a transaction under review may not participate in the deliberations or vote regarding approval of the transaction, provided, however, that such director may be counted in determining the presence of a quorum at an Audit Committee meeting.

Compensation Committee Interlocks and Insider Participation

During 2023, the Compensation Committee consisted of Messrs. Churchill, Carolin, Morse, and Watson. No member of the Compensation Committee was an officer or employee of Amkor or any of Amkor’s subsidiaries during 2023 or had any relationship requiring disclosure under SEC regulations. None of the Compensation Committee members or our executive officers has served on the board of directors or on the compensation committee of any other entity whose executive officers served on our Board of Directors or on our Compensation Committee.

Anti-Hedging, Anti-Pledging, and Clawback Policies

The Company’s policies prohibit directors, officers, and employees from engaging in hedging or derivative transactions with respect to Company securities. The policies specifically identify as prohibited transactions short sales, failing to deliver sold securities, put or call options, swaps, spread bets, collars, and forward sales contracts. The policies also prohibit placing Company securities in a margin account or pledging Company securities as collateral for a loan. In addition, the Clawback Policy requires the Company to recoup all or a portion of an executive officer’s incentive-based compensation, including awards granted pursuant to the Amkor Technology, Inc. Amended and Restated Executive Incentive Bonus Plan (the “Executive Bonus Plan”) and performance-based equity awards granted under the Company’s stock incentive plans, if the Company is required

to restate its financial statements resulting in the Company’s financial performance being reduced (such that the incentive-based compensation or any portion thereof would not have been paid) and certain other requirements are met. For more information about the Clawback Policy, please refer to the “Compensation Discussion and Analysis” section of this proxy statement (the “CD&A”).

DIRECTOR COMPENSATION

Non-Employee Director Compensation Policy

Our director compensation program is designed to attract and retain highly qualified non-employee directors and to align their interests with the long-term interests of our stockholders. The Compensation Committee is responsible for reviewing the equity and cash compensation for directors on an annual basis and making recommendations to the Board if it determines changes are needed. The Compensation Committee periodically reviews and considers information from its independent compensation consultant regarding the amounts and types of compensation paid to non-employee directors at companies the Compensation Committee considers when assessing executive compensation. In February 2023, in connection with its periodic evaluation of our director compensation program, the Compensation Committee adopted the Amended and Restated Amkor Technology, Inc. Non-Employee Director Compensation Policy (as amended and restated, the “Director Compensation Policy”).

Annual Retainer and Fees

During 2023, non-employee directors received an annual cash retainer, which was paid quarterly, and certain directors received fees for serving in certain Board positions and for attendance at Board and committee meetings, in each case pursuant to the Director Compensation Policy. Cash retainers and the fees are pro-rated for directors whose service lasts for less than a year. The 2023 cash compensation structure for our non-employee directors under the Director Compensation Policy is set forth in the following table:


Annual Retainer for Board Members	$	60,000
Additional Annual Retainers:
Lead Independent Director	$	25,000
Executive Vice Chairman	$	150,000
Strategic Oversight Role	$	75,000
Audit Committee Chairman	$	25,000
Compensation Committee Chairman	$	15,000
Nominating and Governance Committee Chairman	$	10,000
Fee per Board and Committee meeting – regular (quarterly) meetings (1)	$	2,000
Fee per Board and Committee meeting – other (1)	$	1,000

Notes

(1)	Directors were compensated for attendance at all regular meetings of the Board and its committees at a rate of $2,000 per meeting and were compensated for attendance at all other meetings at the rate of $1,000 per meeting.

In addition to the cash retainer and fees described above, we also reimburse directors for travel and other reasonable out-of-pocket expenses incurred by them in attending Board and committee meetings. Directors who are also employees or officers of Amkor, including Mr. Kim, our Executive Chairman, and Mr. Rutten, our President and Chief Executive Officer, do not receive annual retainers or meeting fees for their service on our Board of Directors.

Equity Compensation

Upon re-election to the Board of Directors at the 2023 Annual Meeting, each non-employee director was granted an equity award of time-vested restricted stock units (“RSUs”) with a fair market value on the grant date of $185,000, rounded down such that only whole shares are issued, pursuant to the Director Compensation Policy and the terms of the Amkor Technology, Inc. 2021 Equity Incentive Plan (as amended, the “2021 Equity Plan”). Subject to the terms and conditions of the RSU award agreement for non-employee directors: (i) the RSUs will

vest in full on the earlier of the first anniversary of the grant date or the date of the Company’s first annual meeting of the stockholders immediately following the grant date; and (ii) upon the Company’s payment of a cash dividend, dividend equivalent units (“DEUs”) accrue with respect to the underlying RSUs, with DEUs representing additional RSUs subject to the same vesting provisions as the underlying RSUs.

Under our stock ownership guidelines, each non-employee director is expected to directly or indirectly own shares of our common stock equal in value to five times the annual cash retainer for non-employee directors. Each non-employee director is expected to achieve the ownership guideline within five years after the date on which such director became subject to the ownership guideline and to retain 50% of the after-tax shares of common stock acquired or retained upon the exercise of a stock option or vesting of a restricted stock award (“RSA”) or restricted stock unit until such director satisfies the stock ownership guidelines. As of December 31, 2023, all of our non-employee directors either owned more than the minimum level of our common stock or were otherwise in compliance with the stock ownership guidelines.

Director Compensation Table

The following table shows compensation information for our Executive Chairman and non-employee directors for the year ended December 31, 2023.


Name	Fees Earned or Paid in Cash ($)		Stock Awards ($)(2)(3)		Non-Equity Incentive Plan Compensation ($)		All Other Compensation ($)(4)(5)		Total ($)
James J. Kim, Executive Chairman (1)		900,000		973,977		789,750		235,063		2,898,790
Susan Y. Kim, Executive Vice Chairman		224,000		184,990		—		9		408,999
Douglas A. Alexander		100,000		184,990		—		—		284,990
Roger A. Carolin		129,000		184,990		—		9		313,999
Winston J. Churchill, Lead Independent Director		154,000		184,990		—		9		338,999
Daniel Liao		94,000		184,990		—		9		278,999
MaryFrances McCourt		96,000		184,990		—		9		280,999
Robert R. Morse		101,000		184,990		—		9		285,999
Gil C. Tily		177,000		184,990		—		9		361,999
David N. Watson		84,000		184,990		—		9		268,999

Notes

(1)

Mr. Kim is an employee and is compensated for his services as our Executive Chairman of the Board as an employee, rather than as a non-employee director. He does not earn fees for his service as a member of the Board. His compensation is approved annually by the Compensation Committee. Mr. Kim’s 2023 non-equity incentive compensation opportunity was based on the same performance criteria approved by the Compensation Committee for our executive officers, as described below in the CD&A. Mr. Kim received an equity award consisting of RSUs and performance-vested restricted stock units (“PSUs”) in 2023 in connection with his service as an employee and is also provided health and welfare benefits generally available to our employees.

(2)

The amounts in the Stock Awards column reflect the aggregate grant date fair value of RSUs and PSUs granted during the year ended December 31, 2023, calculated in accordance with Financial Accounting Standards Board Accounting Standards Codification Topic 718, Compensation -Stock Compensation (“FASB ASC 718”), which is derived using the closing price of our common stock on the date of grant and excluding the impact of estimated forfeitures related to service-based vesting conditions. Assumptions used in the calculation of these amounts are included in Note 2 to our Consolidated Financial Statements included in our Annual Report on Form 10-K filed with the SEC on February 16, 2024 (the “Form 10-K”) and are incorporated by reference herein. For a description of the vesting schedule relating to the RSUs awarded to

our directors, please refer to the “Director Compensation—Equity Compensation” section of this proxy statement. For the PSUs awarded to Mr. Kim, the valuation was based upon a 100% attainment, which represents the probable outcome of the performance conditions for those awards, consistent with the estimate of aggregate compensation cost to be recognized over the service period determined as of the grant date under FASB ASC 718. The value of the 2023 PSU awards at the grant date for Mr. Kim, assuming that the highest level of the performance conditions will be achieved, was $1,468,229. The amounts for the RSUs and (in the case of Mr. Kim only) PSUs reported in the table above reflect the accounting expense for these awards on the grant date and do not correspond to the actual value, if any, that will be recognized by the applicable director. The values for the RSUs and PSUs awarded to Mr. Kim and included in the Stock Awards column also reflect that, pursuant to the terms and conditions of the applicable equity award agreements, he does not have any dividend equivalent rights with respect to such RSUs and PSUs.

(3)

As compensation for his service as an employee, Mr. Kim received 9,279 RSUs and 27,839 PSUs in 2023. Pursuant to our Director Compensation Policy and upon re-election, our non-employee directors received an annual grant of RSUs having a fair market value on the grant date of $185,000 in 2023. As discussed in the “Director Compensation - Equity Compensation” section of this proxy statement, pursuant to the terms of the RSU award agreement for non-employee directors, upon the Company’s payment of a cash dividend, DEUs accrue with respect to the underlying RSUs, with each DEU representing an additional RSU and subject to the same vesting provisions as the underlying RSU. Total stock options outstanding as of December 31, 2023 for Amkor’s directors (other than Mr. Rutten, whose compensation information is provided in the Summary Compensation Table) are as follows: Mr. Kim — 450,000; Ms. Kim — 145,000; Mr. Alexander — 84,657; Mr. Carolin — 140,000; Mr. Churchill — 40,000; Mr. Liao — 60,000; Ms. McCourt — 20,000; Mr. Morse — 140,000; Mr. Tily — 20,000; and Mr. Watson — 160,000. As of December 31, 2023, Mr. Kim held 22,527 RSUs and 60,083 PSUs, and each of Amkor’s non-employee directors held 8,550 RSUs, which include rounded underlying DEUs accrued through December 31, 2023.

(4)	This amount reflects reimbursements by the Company for certain personal travel expenses by Mr. Kim and his family in accordance with Company policy, as approved by the Compensation Committee. This reimbursement is calculated based on actual expenses incurred.

(5)	This amount reflects the cash payment of fractional DEUs upon the release of the annual RSUs and DEUs.

EXECUTIVE OFFICERS

The name, age, position, and a brief account of the business experience of our Chief Executive Officer and each of our other executive officers as of April 1, 2024 is set forth below. The present term of office for the officers named below will generally expire on the earliest of their retirement, resignation, or removal. There are no family relationships among our executive officers.


Name	Age		Position
Giel Rutten		66	President and Chief Executive Officer
Megan Faust		50	Executive Vice President, Chief Financial Officer, and Treasurer
Mark N. Rogers		58	Executive Vice President, General Counsel, and Corporate Secretary
Farshad Haghighi		61	Executive Vice President, Chief Sales Officer
Kevin K. Engel		52	Executive Vice President, Business Units

Giel Rutten. For a brief biography on Mr. Rutten, please see “Proposal One — Election of Directors.”

Megan Faust. Megan Faust has served as our Executive Vice President and Chief Financial Officer since November 2019, was appointed Treasurer in February 2022, and served as Corporate Vice President and Chief Financial Officer from September 2016 to November 2019. Previously, Ms. Faust served as the Company’s Senior Vice President, Corporate Controller from March 2013 to September 2016 and in various other roles in the Finance Department since joining the Company in 2005. Prior to joining the Company, Ms. Faust served as an auditor with KPMG LLP for 10 years. Ms. Faust has also served on the board of directors of Rogers Corporation since December 2020 and serves as a member of its compensation and organization and audit committees. She holds an M.B.A. from Arizona State University and a Bachelor’s degree in Accountancy from Northern Arizona University and is a Certified Public Accountant in the State of Arizona.

Mark N. Rogers. Mark N. Rogers was appointed Executive Vice President, General Counsel, and Corporate Secretary in June 2019. Mr. Rogers has more than 30 years of corporate legal and transaction experience, including more than four years at ON Semiconductor Corporation, a semiconductor manufacturing company, where he served most recently, from February 2017 to June 2019, as Senior Vice President, Assistant General Counsel, and Assistant Corporate Secretary. Mr. Rogers’ work experience also includes more than 11 years with Insight Enterprises, Inc., from April 2003 through December 2014, as Associate General Counsel and in other positions in the law department. Mr. Rogers holds an A.B. in History and an A.B. in French Civilization from Brown University and a J.D. from New York University School of Law.

Farshad Haghighi. Farshad Haghighi has served as our Executive Vice President, Chief Sales Officer since August 2022. Before being appointed to his current role, Mr. Haghighi served as Executive Vice President, Worldwide Sales and Marketing from October 2021 to August 2022. Prior to that time, he served as our Corporate Vice President, West Region Sales from March 2018 to October 2021. Previously, Mr. Haghighi served as Corporate Vice President of U.S. Fabless Sales from January 2011 to March 2018, Senior Vice President of Western Sales from 2010 to 2011, and in various other sales management and engineering positions since joining Amkor in 1994. Mr. Haghighi has over 35 years of industry experience in semiconductor package, process, and manufacturing engineering, sales, and sales management, including with National Semiconductor Corporation and Fairchild Semiconductor Corporation. Mr. Haghighi holds a Bachelor of Science degree in Electrical Engineering from San Jose State University.

Kevin K. Engel. Kevin K. Engel has served as our Executive Vice President, Business Units since February 2023. Before being promoted to his current role, Mr. Engel served as Corporate Vice President, Flip Chip/Wafer Level Business Unit from January 2020 to February 2023. Previously, he served as our Senior Vice President, Bump Services from August 2016 to January 2020. Prior to that time, Mr. Engel served as our Vice President, Bump Services from January 2013 to August 2016 and in various similar roles since joining the

Company in August 2004. Mr. Engel has nearly 30 years of experience in the electronics and semiconductor industry, including nearly 20 years of service with the Company. He holds a Bachelor’s degree in Chemical Engineering from Auburn University and has completed executive education programs at the Stanford University Graduate School of Business and Harvard University Business School.

EXECUTIVE COMPENSATION

Compensation Discussion and Analysis

The CD&A contains material information regarding our executive compensation program and explains the material factors underlying disclosures that are contained in this proxy statement with respect to the compensation of our Chief Executive Officer, our Chief Financial Officer, and our three most highly-compensated executive officers (other than the Chief Executive Officer and the Chief Financial Officer) for the year ended December 31, 2023 (collectively, “NEOs”), each of whom is identified below:


Name		Position Held
Giel Rutten		President and Chief Executive Officer
Megan Faust		Executive Vice President, Chief Financial Officer, and Treasurer
Mark N. Rogers		Executive Vice President, General Counsel, and Corporate Secretary
Farshad Haghighi		Executive Vice President, Chief Sales Officer

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SEC Form DEF 14A filed by Amkor Technology Inc.