Announcement on behalf of the subsidiary, SPIL,of the change of representative of juristic-person director. Date of occurrence of the change:2022/12/07. Name of legal person: ASE Technology Holding Co., Ltd. Name of the previous position holder: Mr. Randy Hsiao-Yu Lo.

Resume of the previous position holder: Director of SPIL and President of Siliconware USA Inc. Name of the new position holder: Mr. Chi-Pin Chang. Resume of the new position holder: President of Siliconware USA Inc. Reason for the change: new appointment. Original term: 2021/04/29~2024/04/28.

Effective date of the new appointment: December 7, 2022.