AMKOR TECHNOLOGY, INC. — Director's Dealing 2022

May 26, 2022

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMKOR TECHNOLOGY, INC. (AMKR)
CIK: 0001047127
Period of Report: 2022-05-24

Reporting Person: Morse Robert Randolph (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2022-05-24	Common Stock	M	20000	$4.68	Acquired	69583	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2022-05-24	Director Stock Option (Right-to-Buy)	$4.68	M	20000	Disposed	2023-02-06	Common Stock (20000)	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Restricted Stock Units	$		Common Stock ()	8706	Direct

Footnotes

F1: As previously reported in a Form 4 filed by the Reporting Person on May 19, 2022 (the "Original Form 4"), 8,706 shares of Amkor Technology, Inc. (the "Issuer") common stock underlying time-vested restricted stock units (the "RSUs") was granted to the Reporting Person on May 17, 2022. In the Original Form 4, the RSUs were incorrectly reported in Table I. Table II, Column 9 of this Form 4 has been adjusted to include the RSUs and reflects the proper number of RSUs beneficially owned by the Reporting Person as of the filing date of this Form 4.

F2: This stock option (the "Option") to acquire 20,000 shares of the Issuer's common stock (the "Option Shares") was granted on February 6, 2013 (the "Option Grant Date") and vested as follows: (i) with respect to 1/3 of the Option Shares, on the first anniversary of the Option Grant Date; (ii) with respect to 1/3 of the Option Shares, on the second anniversary of the Option Grant Date; and (iii) with respect to the remainder of the Option Shares, on March 5, 2015.