AMKOR TECHNOLOGY, INC. — Director's Dealing 2021

May 26, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMKOR TECHNOLOGY, INC. (AMKR)
CIK: 0001047127
Period of Report: 2021-05-25

Reporting Person: CHURCHILL WINSTON J (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-05-25	Common Stock	S	6106	$20.67	Disposed	14394	Direct
2021-05-25	Common Stock	M	20000	$9.825	Acquired	34394	Direct
2021-05-25	Common Stock	S	20000	$20.66	Disposed	14394	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-05-25	Director Stock Option (Right-to-Buy)	$9.825	M	20000	Disposed	2031-05-19	Common Stock (20000)	Direct

Footnotes

F1: These are restricted shares which were granted on May 19, 2020 and vested on May 18, 2021.

F2: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $20.60 to $20.72.

F3: The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $20.60 to $20.73.