Washington, D.C. 20549


Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB Number: 3235-0104
Estimated average burden
hours per response: 0.5
1. Name and Address of Reporting Person*
2023 Grantor Retained Annuity Trust of Susan Y. Kim Dated 9/15/2023

(Last) (First) (Middle)

PAOLI PA 19301-9713

(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year)
3. Issuer Name and Ticker or Trading Symbol
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director 10% Owner
Officer (give title below) X Other (specify below)
Member of 10% owner group (2)
5. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock 2,500,000(1) D
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year) 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Explanation of Responses:
1. On September 15, 2023, Susan Y. Kim transferred 2,500,000 shares of Common Stock of Amkor Technology, Inc. to the Reporting Person as a gift. Susan Y. Kim is the sole trustee of the Reporting Person.
(2) The Reporting Person states that the filing of this Form 3 shall not be deemed an admission that the Reporting Person is the beneficial owner of the reported securities owned by the other members of the group, for the purpose of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.
/s/ Brian D. Short, as Attorney-in-Fact 09/22/2023
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

        Know all by these presents, that the undersigned hereby makes,
constitutes and appoints Mark N. Rogers, Vincent Pecora, Brian D. Short and
Heike K. Sullivan (any of whom may act individually) as the true and lawful
attorney-in-fact of the undersigned, with full power and authority as
hereinafter described on behalf of and in the name, place and stead of the
undersigned to:

1) prepare, execute, acknowledge, deliver and file Forms 3, 4, and 5 (including
any amendments thereto) and any Schedule 13D (including any amendments thereto)
with respect to the securities of Amkor Technology, Inc., a Delaware corporation
(the "Company"), with the United States Securities and Exchange Commission, any
national securities exchanges and the Company, as considered necessary or
advisable under Section 16(a) of the Securities Exchange Act of 1934 and the
rules and regulations promulgated thereunder, as amended from time to time (the
"Exchange Act"), including obtaining any filing codes or reissuance of existing
filing codes, if necessary, in connection therewith;

2) seek or obtain, as the representative of the undersigned and on behalf of the
undersigned, information on transactions in the Company's securities from any
third party, including brokers, employee benefit plan administrators and
trustees, and the undersigned hereby authorizes any such person to release any
such information to such attorney-in-fact and approves and ratifies any such
release of information; and

3) perform any and all other acts which in the discretion of such
attorney-in-fact are necessary or desirable for and on behalf of the undersigned
in connection with the foregoing.

The undersigned acknowledges that:

1) this Power of Attorney authorizes, but does not require, such
attorney-in-fact to act in his or her discretion on information provided to such
attorney-in-fact without independent verification of such information;

2) any documents prepared and/or executed by such attorney-in-fact on behalf of
any of the undersigned pursuant to this Power of Attorney will be in such form
and will contain such information and disclosure as such attorney-in-fact, in
his or her discretion, deems necessary or desirable;

3) neither the Company nor such attorney-in-fact assumes (i) any liability for
any of the undersigneds responsibility to comply with the requirements of the
Exchange Act, (ii) any liability of any of the undersigned for any failure to
comply with such requirements, or (iii) any obligation or liability of any of
the undersigned for profit disgorgement under Section 16(b) of the Exchange Act;

4) this Power of Attorney does not relieve the undersigned from responsibility
for compliance with any of the undersigneds obligations under the Exchange Act,
including without limitation the reporting requirements under Section 16 of the
Exchange Act; and

5) this Power of Attorney supersedes and replaces any prior power of attorney
executed by any of the undersigned for any of the purposes set forth herein.

        Although this Power of Attorney supersedes and replaces any prior power
of attorney executed by any of the undersigned for any of the purposes set forth
herein, the undersigned hereby ratifies and approves of any actions taken
pursuant to any prior power of attorney for any of the purposes set forth
herein, including without limitation the granting thereof by any of the
undersigned on his, her or its behalf. The undersigned hereby gives and grants
the foregoing attorney-in-fact full power and authority to do and perform all
and every act and thing whatsoever requisite, necessary or appropriate to be
done in and about the foregoing matters as fully to all intents and purposes as
the undersigned might or could do if present, hereby ratifying all that such
attorney-in-fact shall lawfully do or cause to be done of, for and on behalf of
any of the undersigned by virtue of this Power of Attorney.

        This Power of Attorney shall remain in full force and effect until
revoked by any of the undersigned in a signed writing delivered to the

        IN WITNESS WHEREOF, the undersigned have caused this Power of Attorney
to be executed as of 9/20/2023.


By: /s/ Susan Y. Kim
       Susan Y. Kim, Trustee