Transaction Details

Footnotes

On February 20, 2025, the Reporting Person was granted 43,459 time-vested restricted stock units ("RSUs") which vest in five equal quarterly installments on each of June 30, 2025, September 30, 2025, December 31, 2025, March 31, 2026, and June 30, 2026, such that 100% will be vested on June 30, 2026. | Represents shares of common stock underlying RSUs (the "Director RSUs") granted on April 1, 2025 (the "Grant Date") pursuant to the Amkor Technology, Inc. (the "Issuer") 2021 Equity Incentive Plan, as amended. Subject to the terms and conditions of the applicable award agreement, the Director RSUs may be converted into common stock of the Issuer on a one-for-one basis and will vest in full on the earlier of the first anniversary of the Grant Date or the date of the Issuer's first annual meeting of stockholders immediately following the Grant Date. The Director RSUs were awarded for no consideration other than the Reporting Person's service as a director of the Issuer.