Co-Tech Development Corporation announced change of company financial officer and accounting officer and corporate governance officer. Name, title, and resume of the previous position holder were, financial officer and accounting officer was G LEE, HSUN-NENG, Finance Division Director corporate governance officer was G LEE, HSUN-NENG/Finance Division Director. Name, title, and resume of the new position holder are, accounting officer is KAO, HUNG-YU/Manager substitute financial officer is YEH, SHEUE-JEN/Assistant Manager substitute corporate governance officer is YEH, SHEUE-JEN/Assistant Manager substitute. Reason for the change is resignation and effective date is April 29, 2021.