On September 14, 2021, John C. Stone, Executive Vice President, Chief Sales Officer, informed Amkor Technology, Inc. that he intends to retire on March 31, 2022. Mr. Stone has served the Company for nearly 20 years, including as Chief Sales Officer since July 2020. Farshad Haghighi, Corporate Vice President, West Region Sales, will succeed Mr. Stone as the leader of worldwide sales on October 1, 2021.