Ownership

Dylan Investments, LLC

Insider Reports History

Entity: Company
Location: C/O Siana Carr O'connor & Lynam, Llp, 1500 East Lancaster Avenue, Paoli, PA
Signature: /s/ Brian D. Short, Attorney-in-Fact
All insider transactions: Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Dylan Investments, LLC:

Stock	Role	Class	Num Shares	Value	Price $	Report Date	Ownership
AMKOR TECHNOLOGY, INC.	Member of 10% owner group (2)	Common Stock	0		$32.00	Nov 14, 2023	Direct

Showing 1 to 1 of 1 entries

Insider Reports Filed by Dylan Investments, LLC

Symbol	Company	Period	Transactions	Value $	Form Type	Date Filed	Role
AMKR	AMKOR TECHNOLOGY, INC.	Nov 14, 2023	1	$0	4	Nov 16, 2023	Member of 10% owner group (2)
AMKR	AMKOR TECHNOLOGY, INC.	Sep 20, 2021	1	$0	4	Jan 21, 2022	Member of 10% owner group (2)
AMKR	AMKOR TECHNOLOGY, INC.	Sep 20, 2021	0	$0	3	Sep 21, 2021	Exhibit 99.1