Marketech International Corp. appointed Chao, Rong-Shiang to Audit Committee. Date of occurrence of the change is May 30, 2023.

Resume of the new position holder is Advisor of Formosa Sumco Technology Corporation. The term of the new appointment is from May 30, 2023 to May 26, 2025 (same as the term of the 3rd Audit Committee of the Company).