Advanced Ceramic X Corporation announced change of representative of juristic-person directors. Name of legal person: Kuo Chia Fu Investment Corporation. Name of the previous position holder: Yung-Fu Kuo, Director of Advanced Ceramic X Corporation.

Name of the new position holder: Cheng-Hsin Kuo, GM's Special Assistant of Kuo Chia Fu Investment Corporation. Effective date of the new appointment: August 17, 2023.