Exhibit 24

LIMITED POWER OF ATTORNEY

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 (either of whom may act individually) as the undersigned’s true and lawful attorney-in-fact, 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 undersigned’s representative and on the undersigned’s behalf, 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 the undersigned 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 their 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 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 the undersigned’s responsibility to comply with the requirements of the Exchange Act, (ii) any liability of the undersigned for any failure to comply with such requirements, or (iii) any obligation or liability 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 the undersigned’s 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 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 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 the undersigned. 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 of, for and on behalf of the undersigned, shall lawfully do or cause to be done by virtue of this Power of Attorney.

This Power of Attorney shall remain in full force and effect until revoked by the undersigned in a signed writing delivered to such attorney-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of 4/25/2023.

/s/ James J. Kim

James J. Kim

2

LIMITED POWER OF ATTORNEY

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 (either of whom may act individually) as the undersigned’s true and lawful attorney-in-fact, 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 undersigned’s representative and on the undersigned’s behalf, 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 the undersigned 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 their 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 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 the undersigned’s responsibility to comply with the requirements of the Exchange Act, (ii) any liability of the undersigned for any failure to comply with such requirements, or (iii) any obligation or liability 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 the undersigned’s obligations under the Exchange Act, including without limitation the reporting requirements under Section 16 of the Exchange Act; and

3

5) this Power of Attorney supersedes and replaces any prior power of attorney executed by 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 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 the undersigned. 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 of, for and on behalf of the undersigned, shall lawfully do or cause to be done by virtue of this Power of Attorney.

This Power of Attorney shall remain in full force and effect until revoked by the undersigned in a signed writing delivered to such attorney-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of 4/25/2023.

/s/ Agnes C. Kim

Agnes C. Kim

4

LIMITED POWER OF ATTORNEY

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 as the undersigned’s true and lawful attorney-in-fact, 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 undersigned’s representative and on the undersigned’s behalf, 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 the undersigned 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 their 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 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 the undersigned’s responsibility to comply with the requirements of the Exchange Act, (ii) any liability of the undersigned for any failure to comply with such requirements, or (iii) any obligation or liability 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 the undersigned’s obligations under the Exchange Act, including without limitation the reporting requirements under Section 16 of the Exchange Act; and

5

5) this Power of Attorney supersedes and replaces any prior power of attorney executed by 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 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 the undersigned. 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 of, for and on behalf of the undersigned, shall lawfully do or cause to be done by virtue of this Power of Attorney.

This Power of Attorney shall remain in full force and effect until revoked by the undersigned in a signed writing delivered to such attorney-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of 5/2/2023.

/s/ John T. Kim

John T. Kim

6

LIMITED POWER OF ATTORNEY

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 (either of whom may act individually) as the undersigned’s true and lawful attorney-in-fact, 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 undersigned’s representative and on the undersigned’s behalf, 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 the undersigned 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 their 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 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 the undersigned’s responsibility to comply with the requirements of the Exchange Act, (ii) any liability of the undersigned for any failure to comply with such requirements, or (iii) any obligation or liability 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 the undersigned’s obligations under the Exchange Act, including without limitation the reporting requirements under Section 16 of the Exchange Act; and

7

5) this Power of Attorney supersedes and replaces any prior power of attorney executed by 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 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 the undersigned. 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 of, for and on behalf of the undersigned, shall lawfully do or cause to be done by virtue of this Power of Attorney.

This Power of Attorney shall remain in full force and effect until revoked by the undersigned in a signed writing delivered to such attorney-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of 4/24/2023.

/s/ Susan Y. Kim

Susan Y. Kim

8

LIMITED POWER OF ATTORNEY

Know all by these presents, that the undersigned hereby makes, constitutes and appoints Mark 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 their 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 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 discretion, deems necessary or desirable;

3) neither the Company nor such attorney-in-fact assumes (i) any liability for the undersigned’s responsibility to comply with the requirements of the Exchange Act, (ii) any liability of the undersigned for any failure to comply with such requirements, or (iii) any obligation or liability 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 the undersigned’s obligations under the Exchange Act, including without limitation the reporting requirements under Section 16 of the Exchange Act; and

9

5) this Power of Attorney supersedes and replaces any prior power of attorney executed by 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 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 the undersigned. 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 the undersigned by virtue of this Power of Attorney.

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

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of 4/25/2023.

/s/ Liam E. Blaney

Liam E. Blaney

10

LIMITED POWER OF ATTORNEY

Know all by these presents, that each of 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 each of the undersigned, with full power and authority as hereinafter described on behalf of and in the name, place and stead of each 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 each of the undersigned and on behalf of each 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.

Each of 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 undersigned’s 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 any of the undersigned from responsibility for compliance with any of the undersigned’s obligations under the Exchange Act, including without limitation the reporting requirements under Section 16 of the Exchange Act; and

11

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, each of 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. Each of 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 the undersigned in a signed writing delivered to the attorney-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of 5/2/2023.

JOHN T. KIM TRUST OF DECEMBER 31, 1987
By:	/s/ John T. Kim
	John T. Kim, Trustee

12

LIMITED POWER OF ATTORNEY

Know all by these presents, that each of 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 each of the undersigned, with full power and authority as hereinafter described on behalf of and in the name, place and stead of each 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 each of the undersigned and on behalf of each 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.

Each of 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 any of 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

13

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, each of 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. Each of 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 may be executed in several counterparts, each of which shall be deemed an original but all of which shall constitute one and the same instrument.

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 attorney-in-fact.

IN WITNESS WHEREOF, the undersigned have each caused this Power of Attorney to be executed as of 5/2/2023.

IRREVOCABLE DEED OF TRUST OF JAMES J. KIM FOR JACQUELINE MARY PANICHELLO DATED 10/3/94
By:	/s/ Susan Y. Kim
	Susan Y. Kim, Trustee
By:	/s/ John T. Kim
	John T. Kim, Trustee

14

LIMITED POWER OF ATTORNEY

Know all by these presents, that each of 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 each of the undersigned, with full power and authority as hereinafter described on behalf of and in the name, place and stead of each 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 each of the undersigned and on behalf of each 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.

Each of 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 any of 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

15

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, each of 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. Each of 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 may be executed in several counterparts, each of which shall be deemed an original but all of which shall constitute one and the same instrument.

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 attorney-in-fact.

IN WITNESS WHEREOF, the undersigned have each caused this Power of Attorney to be executed as of 5/2/2023.

IRREVOCABLE DEED OF TRUST OF JAMES J. KIM FOR ALEXANDRA KIM PANICHELLO DATED 12/24/92
By:	/s/ Susan Y. Kim
	Susan Y. Kim, Trustee
By:	/s/ John T. Kim
	John T. Kim, Trustee

16

LIMITED POWER OF ATTORNEY

Know all by these presents, that each of 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 each of the undersigned, with full power and authority as hereinafter described on behalf of and in the name, place and stead of each 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 each of the undersigned and on behalf of each 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.

Each of 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 any of 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

17

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, each of 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. Each of 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 may be executed in several counterparts, each of which shall be deemed an original but all of which shall constitute one and the same instrument.

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 attorney-in-fact.

IN WITNESS WHEREOF, the undersigned have each caused this Power of Attorney to be executed as of 5/2/2023.

IRREVOCABLE DEED OF TRUST OF JAMES J. KIM FOR DYLAN JAMES PANICHELLO DATED 10/15/01
By:	/s/ Susan Y. Kim
	Susan Y. Kim, Trustee
By:	/s/ John T. Kim
	John T. Kim, Trustee

18

LIMITED POWER OF ATTORNEY

Know all by these presents, that each of 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 each of the undersigned, with full power and authority as hereinafter described on behalf of and in the name, place and stead of each 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 each of the undersigned and on behalf of each 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.

Each of 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 any of 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

19

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, each of 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. Each of 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 may be executed in several counterparts, each of which shall be deemed an original but all of which shall constitute one and the same instrument.

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 attorney-in-fact.

IN WITNESS WHEREOF, the undersigned have each caused this Power of Attorney to be executed as of 5/2/2023.

IRREVOCABLE DEED OF TRUST OF JAMES J. KIM FOR ALLYSON LEE KIM DATED 10/15/01
By:	/s/ Susan Y. Kim
	Susan Y. Kim, Trustee
By:	/s/ John T. Kim
	John T. Kim, Trustee

20

LIMITED POWER OF ATTORNEY

Know all by these presents, that each of 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 each of the undersigned, with full power and authority as hereinafter described on behalf of and in the name, place and stead of each 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 each of the undersigned and on behalf of each 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.

Each of 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 any of 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

21

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, each of 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. Each of 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 may be executed in several counterparts, each of which shall be deemed an original but all of which shall constitute one and the same instrument.

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 attorney-in-fact.

IN WITNESS WHEREOF, the undersigned have each caused this Power of Attorney to be executed as of 5/2/2023.

IRREVOCABLE DEED OF TRUST OF JAMES J. KIM FBO JASON LEE KIM DATED 11/17/03
By:	/s/ Susan Y. Kim
	Susan Y. Kim, Trustee
By:	/s/ John T. Kim
	John T. Kim, Trustee

22

LIMITED POWER OF ATTORNEY

Know all by these presents, that each of 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 each of the undersigned, with full power and authority as hereinafter described on behalf of and in the name, place and stead of each 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 each of the undersigned and on behalf of each 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.

Each of 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 any of 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

23

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, each of 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. Each of 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 may be executed in several counterparts, each of which shall be deemed an original but all of which shall constitute one and the same instrument.

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 attorney-in-fact.

IN WITNESS WHEREOF, the undersigned have each caused this Power of Attorney to be executed as of 5/2/2023.

JAMES J. KIM 2008 TRUST FBO ALEXANDRA KIM PANICHELLO AND DESCENDANTS DATED 02/05/08
By:	Susan Y. Kim
	Susan Y. Kim, Trustee
By:	John T. Kim
	John T. Kim, Trustee

24

LIMITED POWER OF ATTORNEY

Know all by these presents, that each of 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 each of the undersigned, with full power and authority as hereinafter described on behalf of and in the name, place and stead of each 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 each of the undersigned and on behalf of each 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.

Each of 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 any of 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

25

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, each of 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. Each of 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 may be executed in several counterparts, each of which shall be deemed an original but all of which shall constitute one and the same instrument.

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 attorney-in-fact.

IN WITNESS WHEREOF, the undersigned have each caused this Power of Attorney to be executed as of 5/2/2023.

JAMES J. KIM 2008 TRUST FBO JACQUELINE MARY PANICHELLO AND DESCENDANTS DATED 02/05/08
By:	/s/ Susan Y. Kim
	Susan Y. Kim, Trustee
By:	/s/ John T. Kim
	John T. Kim, Trustee

26

LIMITED POWER OF ATTORNEY

Know all by these presents, that each of 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 each of the undersigned, with full power and authority as hereinafter described on behalf of and in the name, place and stead of each 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 each of the undersigned and on behalf of each 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.

Each of 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 any of 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

27

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, each of 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. Each of 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 may be executed in several counterparts, each of which shall be deemed an original but all of which shall constitute one and the same instrument.

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 attorney-in-fact.

IN WITNESS WHEREOF, the undersigned have each caused this Power of Attorney to be executed as of 5/2/2023.

JAMES J. KIM 2008 TRUST FBO DYLAN JAMES PANICHELLO AND DESCENDANTS DATED 02/05/08
By:	/s/ Susan Y. Kim
	Susan Y. Kim, Trustee
By:	/s/ John T. Kim
	John T. Kim, Trustee

28

LIMITED POWER OF ATTORNEY

Know all by these presents, that each of 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 each of the undersigned, with full power and authority as hereinafter described on behalf of and in the name, place and stead of each 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 each of the undersigned and on behalf of each 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.

Each of 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 any of 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

29

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, each of 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. Each of 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 may be executed in several counterparts, each of which shall be deemed an original but all of which shall constitute one and the same instrument.

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 attorney-in-fact.

IN WITNESS WHEREOF, the undersigned have each caused this Power of Attorney to be executed as of 5/2/2023.

JAMES J. KIM 2008 TRUST FBO DESCENDANTS OF JOHN T. KIM DATED 02/05/08
By:	/s/ Susan Y. Kim
	Susan Y. Kim, Trustee
By:	/s/ John T. Kim
	John T. Kim, Trustee

30

LIMITED POWER OF ATTORNEY

Know all by these presents, that each of 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 each of the undersigned, with full power and authority as hereinafter described on behalf of and in the name, place and stead of each 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 each of the undersigned and on behalf of each 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.

Each of 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 undersigned’s 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 any of the undersigned from responsibility for compliance with any of the undersigned’s obligations under the Exchange Act, including without limitation the reporting requirements under Section 16 of the Exchange Act; and

31

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, each of 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. Each of 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 the undersigned in a signed writing delivered to the attorney-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of 4/25/2023.

THE JAMES AND AGNES KIM FOUNDATION, INC.

/s/ James J. Kim

James J. Kim, Treasurer

32

LIMITED POWER OF ATTORNEY

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 (either of whom may act individually) as the undersigned’s true and lawful attorney-in-fact, 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 undersigned’s representative and on the undersigned’s behalf, 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 the undersigned 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 their 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 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 the undersigned’s responsibility to comply with the requirements of the Exchange Act, (ii) any liability of the undersigned for any failure to comply with such requirements, or (iii) any obligation or liability 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 the undersigned’s obligations under the Exchange Act, including without limitation the reporting requirements under Section 16 of the Exchange Act; and

33

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, each of 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 of, for and on behalf of the undersigned, shall lawfully do or cause to be done by virtue of this Power of Attorney.

This Power of Attorney shall remain in full force and effect until revoked by the undersigned in a signed writing delivered to such attorney-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of 4/25/2023.

/s/ James J. Kim

James J. Kim, General Partner

915 Investments, LP

34

LIMITED POWER OF ATTORNEY

Know all by these presents, that each of 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 each of the undersigned, with full power and authority as hereinafter described on behalf of and in the name, place and stead of each 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 each of the undersigned and on behalf of each 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.

Each of 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 any of 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

35

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, each of 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. Each of 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 may be executed in several counterparts, each of which shall be deemed an original but all of which shall constitute one and the same instrument.

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 attorney-in-fact.

IN WITNESS WHEREOF, the undersigned have each caused this Power of Attorney to be executed as of the 2nd day of May, 2023.

JOHN T. KIM 2007 CHILDREN’S TRUST DATED 12/28/07
By:	/s/ Susan Y. Kim
	Susan Y. Kim, Trustee
By:	/s/ John T. Kim
	John T. Kim, Trustee

36

LIMITED POWER OF ATTORNEY

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 their 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 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 discretion, deems necessary or desirable;

3) neither the Company nor such attorney-in-fact assumes (i) any liability for the undersigned’s responsibility to comply with the requirements of the Exchange Act, (ii) any liability of the undersigned for any failure to comply with such requirements, or (iii) any obligation or liability 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 the undersigned’s obligations under the Exchange Act, including without limitation the reporting requirements under Section 16 of the Exchange Act; and

37

5) this Power of Attorney supersedes and replaces any prior power of attorney executed by 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 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 the undersigned. 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 the undersigned by virtue of this Power of Attorney.

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

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of 4/24/2023.

SUJODA INVESTMENTS, LP
By: Sujoda Management, LLC, its general partner
By:	/s/ Susan Y. Kim
	Susan Y. Kim, Manager

38

LIMITED POWER OF ATTORNEY

Know all by these presents, that each of 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 each of the undersigned, with full power and authority as hereinafter described on behalf of and in the name, place and stead of each 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 each of the undersigned and on behalf of each 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.

Each of 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 any of 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

39

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, each of 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. Each of 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 may be executed in several counterparts, each of which shall be deemed an original but all of which shall constitute one and the same instrument.

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 attorney-in-fact.

IN WITNESS WHEREOF, the undersigned have each caused this Power of Attorney to be executed as of 4/25/2023.

QUALIFIED ANNUITY TRUST UNDER THE SUSAN Y. KIM 2018-1 IRREVOCABLE TRUST AGREEMENT DTD 08/29/18
By:	/s/ James J. Kim
	James J. Kim, Trustee
By:	/s/ Susan Y. Kim
	Susan Y. Kim, Trustee

40

LIMITED POWER OF ATTORNEY

Know all by these presents, that each of 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 each of the undersigned, with full power and authority as hereinafter described on behalf of and in the name, place and stead of each 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 each of the undersigned and on behalf of each 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.

Each of 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 any of 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

41

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, each of 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. Each of 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 may be executed in several counterparts, each of which shall be deemed an original but all of which shall constitute one and the same instrument.

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 attorney-in-fact.

IN WITNESS WHEREOF, the undersigned have each caused this Power of Attorney to be executed as of the 2nd day of May, 2023.

JOHN T. KIM 2012 GENERATION-SKIPPING TRUST U/A DATED 12/11/12
By:	/s/ James J. Kim
	James J. Kim, Trustee
By:	/s/ John T. Kim
	John T. Kim, Trustee

42

LIMITED POWER OF ATTORNEY

Know all by these presents, that each of 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 each of the undersigned, with full power and authority as hereinafter described on behalf of and in the name, place and stead of each 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 each of the undersigned and on behalf of each 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.

Each of 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 any of 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

43

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, each of 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. Each of 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 may be executed in several counterparts, each of which shall be deemed an original but all of which shall constitute one and the same instrument.

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 attorney-in-fact.

IN WITNESS WHEREOF, the undersigned have each caused this Power of Attorney to be executed as of 5/2/2023.

QUALIFIED ANNUITY TRUST UNDER THE JOHN T. KIM 2018 IRREVOCABLE TRUST AGREEMENT DATED FEBRUARY 6, 2018
By:	/s/ John T. Kim
	John T. Kim, Trustee
By:	/s/ Susan Y. Kim
	Susan Y. Kim, Trustee

44

LIMITED POWER OF ATTORNEY

Know all by these presents, that each of 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 each of the undersigned, with full power and authority as hereinafter described on behalf of and in the name, place and stead of each 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 each of the undersigned and on behalf of each 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.

Each of 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 any of 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

45

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, each of 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. Each of 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 may be executed in several counterparts, each of which shall be deemed an original but all of which shall constitute one and the same instrument.

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 attorney-in-fact.

IN WITNESS WHEREOF, the undersigned have each caused this Power of Attorney to be executed as of 5/2/2023.

FAMILY TRUST UNDER JOHN T. KIM 2018 IRREVOCABLE TRUST AGREEMENT DATED FEBRUARY 6, 2018
By:	/s/ John T. Kim
	John T. Kim, Trustee
By:	/s/ Susan Y. Kim
	Susan Y. Kim, Trustee

46

LIMITED POWER OF ATTORNEY

Know all by these presents, that each of 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 each of the undersigned, with full power and authority as hereinafter described on behalf of and in the name, place and stead of each 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 each of the undersigned and on behalf of each 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.

Each of 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 any of 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

47

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, each of 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. Each of 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 may be executed in several counterparts, each of which shall be deemed an original but all of which shall constitute one and the same instrument.

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 attorney-in-fact.

IN WITNESS WHEREOF, the undersigned have each caused this Power of Attorney to be executed as of 5/2/2023.

FAMILY TRUST UNDER JOHN T. KIM 2012 IRREVOCABLE TRUST AGREEMENT DTD 12/11/12
By:	/s/ James J. Kim
	James J. Kim, Trustee
By:	/s/ John T. Kim
	John T. Kim, Trustee

48

LIMITED POWER OF ATTORNEY

Know all by these presents, that each of 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 each of the undersigned, with full power and authority as hereinafter described on behalf of and in the name, place and stead of each 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 each of the undersigned and on behalf of each 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.

Each of 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 any of 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

49

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, each of 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. Each of 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 may be executed in several counterparts, each of which shall be deemed an original but all of which shall constitute one and the same instrument.

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 attorney-in-fact.

IN WITNESS WHEREOF, the undersigned have each caused this Power of Attorney to be executed as of 5/2/2023.

FAMILY TRUST UNDER THE SUSAN Y. KIM 2012 IRREVOCABLE TRUST AGREEMENT DATED 07/26/12
By:	/s/ John T. Kim
	John T. Kim, Trustee
By:	/s/ Susan Y. Kim
	Susan Y. Kim, Trustee

50

LIMITED POWER OF ATTORNEY

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 (either of whom may act individually) as the undersigned’s true and lawful attorney-in-fact, 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 codes, if necessary, in connection therewith;

2) seek or obtain, as the undersigned’s representative and on the undersigned’s behalf, 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 the attorney-in-fact and approves and ratifies any such release of information as authorized by either general partner; 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 their discretion on information provided to such attorney-in-fact by either general partner without independent verification of such information;

2) any documents prepared and/or executed by such attorney-in-fact on behalf 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 the undersigned’s responsibility to comply with the requirements of the Exchange Act, (ii) any liability of the undersigned for any failure to comply with such requirements, (iii) any obligation or liability of the undersigned for profit disgorgement under Section 16(b) of the Exchange Act, or (iv) any liability for the undersigned acting on the instruction by one but not both general partners;

51

4) this Power of Attorney does not relieve the undersigned from responsibility for compliance with the undersigned’s 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, each of 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 of, for and on behalf of the undersigned, shall lawfully do or cause to be done by virtue of this Limited Power of Attorney.

This Power of Attorney may be executed in counterparts, each of which shall be deemed an original but all of which shall constitute one and the same instrument.

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

IN WITNESS WHEREOF, the undersigned have each caused this Power of Attorney to be executed as of 5/2/2023.

SUJOCHIL, LP

/s/ Susan Y. Kim

Susan Y. Kim, as a general partner

/s/ John T. Kim

John T. Kim, as a general partner

52

LIMITED POWER OF ATTORNEY

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 (either of whom may act individually) as the undersigned’s true and lawful attorney-in-fact, 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 codes, if necessary, in connection therewith;

2) seek or obtain, as the undersigned’s representative and on the undersigned’s behalf, 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 the attorney-in-fact and approves and ratifies any such release of information as authorized by either general partner; 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 their discretion on information provided to such attorney-in-fact by either general partner without independent verification of such information;

2) any documents prepared and/or executed by such attorney-in-fact on behalf 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 the undersigned’s responsibility to comply with the requirements of the Exchange Act, (ii) any liability of the undersigned for any failure to comply with such requirements, (iii) any obligation or liability of the undersigned for profit disgorgement under Section 16(b) of the Exchange Act, or (iv) any liability for the undersigned acting on the instruction by one but not both general partners;

53

4) this Power of Attorney does not relieve the undersigned from responsibility for compliance with the undersigned’s 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, each of 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 of, for and on behalf of the undersigned, shall lawfully do or cause to be done by virtue of this Limited Power of Attorney.

This Power of Attorney may be executed in counterparts, each of which shall be deemed an original but all of which shall constitute one and the same instrument.

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

IN WITNESS WHEREOF, the undersigned have each caused this Power of Attorney to be executed as of 4/25/2023.

JAMES J. KIM 2019-1 QUALIFIED ANNUITY TRUST U/A DATED 9/10/2019

/s/ Susan Y. Kim

Susan Y. Kim, as trustee

54

LIMITED POWER OF ATTORNEY

Know all by these presents, that each of 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 each of the undersigned, with full power and authority as hereinafter described on behalf of and in the name, place and stead of each 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 each of the undersigned and on behalf of each 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.

Each of 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 any of 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

55

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, each of 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. Each of 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 may be executed in several counterparts, each of which shall be deemed an original but all of which shall constitute one and the same instrument.

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 attorney-in-fact.

IN WITNESS WHEREOF, the undersigned have each caused this Power of Attorney to be executed as of 4/25/2023.

QUALIFIED ANNUITY TRUST UNDER THE JAMES J. KIM 2020-1 QUALIFIED ANNUITY TRUST AGREEMENT DATED 04/01/2020
By:	/s/ James J. Kim
	James J. Kim, Trustee
By:	/s/ Susan Y. Kim
	Susan Y. Kim, Trustee

56

LIMITED POWER OF ATTORNEY

Know all by these presents, that each of 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 each of the undersigned, with full power and authority as hereinafter described on behalf of and in the name, place and stead of each 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 each of the undersigned and on behalf of each 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.

Each of 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 any of 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

57

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, each of 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. Each of 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 may be executed in several counterparts, each of which shall be deemed an original but all of which shall constitute one and the same instrument.

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 attorney-in-fact.

IN WITNESS WHEREOF, the undersigned have each caused this Power of Attorney to be executed as of 4/25/2023.

QUALIFIED ANNUITY TRUST UNDER THE SUSAN Y. KIM 2020-1 IRREVOCABLE TRUST AGREEMENT DATED 04/01/2020
By:	/s/ James J. Kim
	James J. Kim, Trustee
By:	/s/ Susan Y. Kim
	Susan Y. Kim, Trustee

58

LIMITED POWER OF ATTORNEY

Know all by these presents, that each of 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 each of the undersigned, with full power and authority as hereinafter described on behalf of and in the name, place and stead of each 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 each of the undersigned and on behalf of each 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.

Each of 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 undersigned’s 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 any of the undersigned from responsibility for compliance with any of the undersigned’s obligations under the Exchange Act, including without limitation the reporting requirements under Section 16 of the Exchange Act; and

59

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, each of 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. Each of 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 the undersigned in a signed writing delivered to the attorney-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of 4/24/2023.

AGNES C. KIM 2020-1
QUALIFIED ANNUITY TRUST UNDER
AGREEMENT DATED DECEMBER 16, 2020
By:	/s/ Susan Y. Kim
	Susan Y. Kim, Trustee

60

LIMITED POWER OF ATTORNEY

Know all by these presents, that each of 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 each of the undersigned, with full power and authority as hereinafter described on behalf of and in the name, place and stead of each 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 each of the undersigned and on behalf of each of the undersigned, information on transactions in the Company’s securities from any third party, including brokers, employee benefit plan administrators and trustees, and each of 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 any of the undersigned in connection with the foregoing.

Each of 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 any of the undersigned from responsibility for compliance with the undersigneds’ obligations under the Exchange Act, including without limitation the reporting requirements under Section 16 of the Exchange Act; and

61

5) this Power of Attorney supersedes and replaces any prior power of attorney executed by one or more 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 one or more of the undersigned for any of the purposes set forth herein, each of 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 one or more of the undersigned on his or her behalf. Each of 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 the undersigned by virtue of this Power of Attorney.

This Power of Attorney may be executed in several counterparts, each of which shall be deemed an original but all of which shall constitute one and the same instrument.

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 attorney-in-fact.

IN WITNESS WHEREOF, the undersigned have each caused this Power of Attorney to be executed as of 4/25/2023.

ALEXANDRA INVESTMENTS, LLC
By:	/s/ Susan Y. Kim
	Susan Y. Kim, Manager
By:	/s/ Liam E. Blaney
	Liam E. Blaney, Manager
JACQUELINE INVESTMENTS, LLC
By:	/s/ Susan Y. Kim
	Susan Y. Kim, Manager

62

By:	/s/ Liam E. Blaney
	Liam E. Blaney, Manager
DYLAN INVESTMENTS, LLC
By:	/s/ Susan Y. Kim
	Susan Y. Kim, Manager
By:	/s/ Liam E. Blaney
	Liam E. Blaney, Manager

63

LIMITED POWER OF ATTORNEY

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;

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; and

4) do all of the foregoing on behalf of Sujoda Investments, LP in the undersigned’s capacity as the general partner of Sujoda Investments, LP.

The undersigned acknowledges that:

1) this Power of Attorney authorizes, but does not require, such attorney-in-fact to act in their 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 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 discretion, deems necessary or desirable;

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

64

4) this Power of Attorney does not relieve the undersigned from responsibility for compliance with the undersigned’s 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 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 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 the undersigned. 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 the undersigned by virtue of this Power of Attorney.

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

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of 4/24/2023.

SUJODA MANAGEMENT, LLC
By:	/s/ Susan Y. Kim
	Susan Y. Kim, Manager

65

LIMITED POWER OF ATTORNEY

Know all by these presents, that each of 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 each of the undersigned, with full power and authority as hereinafter described on behalf of and in the name, place and stead of each 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 each of the undersigned and on behalf of each 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.

Each of 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 any of 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

66

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, each of 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. Each of 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 may be executed in several counterparts, each of which shall be deemed an original but all of which shall constitute one and the same instrument.

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 attorney-in-fact.

IN WITNESS WHEREOF, the undersigned have each caused this Power of Attorney to be executed as of 4/25/2023.

JAMES J. KIM 2021
QUALIFIED ANNUITY TRUST
U/A DATED 12/15/2021
By:	/s/ James J. Kim
	James J. Kim, Trustee
By:	/s/ Susan Y. Kim
	Susan Y. Kim, Trustee

67

LIMITED POWER OF ATTORNEY

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 their 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 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 discretion, deems necessary or desirable;

3) neither the Company nor such attorney-in-fact assumes (i) any liability for the undersigned’s responsibility to comply with the requirements of the Exchange Act, (ii) any liability of the undersigned for any failure to comply with such requirements, or (iii) any obligation or liability 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 the undersigned’s obligations under the Exchange Act, including without limitation the reporting requirements under Section 16 of the Exchange Act; and

68

5) this Power of Attorney supersedes and replaces any prior power of attorney executed by 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 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 the undersigned. 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 the undersigned by virtue of this Power of Attorney.

This Power of Attorney may be executed in several counterparts, each of which shall be deemed an original but all of which shall constitute one and the same instrument.

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 attorney-in-fact.

IN WITNESS WHEREOF, the undersigned have each caused this Power of Attorney to be executed as of 5/2/2023.

SUSINS, LLC
By:	/s/ John T. Kim
	John T. Kim, Manager
By:	/s/ Liam E. Blaney
	Liam E. Blaney, Manager

69

LIMITED POWER OF ATTORNEY

Know all by these presents, that each of 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 each of the undersigned, with full power and authority as hereinafter described on behalf of and in the name, place and stead of each 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 each of the undersigned and on behalf of each 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.

Each of 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 undersigned’s 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 any of the undersigned from responsibility for compliance with any of the undersigned’s obligations under the Exchange Act, including without limitation the reporting requirements under Section 16 of the Exchange Act; and

70

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, each of 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. Each of 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 the undersigned in a signed writing delivered to the attorney-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of 5/5/2023.

2023 GRANTOR RETAINED ANNUITY TRUST OF JAMES J. KIM DATED 04/26/2023
By:	/s/ Susan Y. Kim
	Susan Y. Kim, Trustee

71

LIMITED POWER OF ATTORNEY

Know all by these presents, that each of 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 each of the undersigned, with full power and authority as hereinafter described on behalf of and in the name, place and stead of each 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 each of the undersigned and on behalf of each 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.

Each of 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 undersigned’s 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 any of the undersigned from responsibility for compliance with any of the undersigned’s obligations under the Exchange Act, including without limitation the reporting requirements under Section 16 of the Exchange Act; and

72

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, each of 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. Each of 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 the undersigned in a signed writing delivered to the attorney-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of 5/5/2023.

2023 GRANTOR RETAINED ANNUITY TRUST OF AGNES C. KIM DATED 04/26/2023
By:	/s/ Susan Y. Kim
	Susan Y. Kim, Trustee

73