Susan Y. Kim - Mar 20, 2023 Form 4 Insider Report for AMKOR TECHNOLOGY, INC. (AMKR)

Role: Director, Member of 10% owner group (2), 10%+ Owner
Signature: Mark N. Rogers, Attorney-in-Fact for Susan Y. Kim
Stock symbol: AMKR
Transactions as of: Mar 20, 2023
Transactions value $: $0
Form type: 4
Date filed: 3/22/2023, 06:39 PM
Previous filing: Feb 24, 2023
Next filing: May 3, 2023

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	AMKR	Restricted Stock Units	Award	$0	+26.1	+0.3%	$0.00	8.81K	Mar 20, 2023	Common Stock	26.1		Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents dividend equivalent units ("DEUs") accrued with respect to time-vested restricted stock units ("RSUs") of Amkor Technology, Inc. (the "Issuer") upon the Issuer's payment of a dividend on March 20, 2023. Each DEU represents an additional RSU subject to the same provisions as the RSU with respect to which the DEU was accrued.

Remarks:

(2) The Reporting Person states that the filing of this Form 4 shall not be deemed an admission that the Reporting Person is the beneficial owner of the reported securities owned by the other members of the group, for the purpose of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other reason.