The board of directors of Microtek International, Inc. announced change of chairman as follows Position: chairperson; Name of the previous position holder: Cheng-Hsun Hsu; Resume of the previous position holder: The chairman of the board; Name of the new position holder: Chin-Lai Wu; Resume of the new position holder: The GM of the company's R&D Unit.; Circumstances of change: new appointment; Reason for the change: The company's succession plan; Effective date of the new appointment: 01 December 2022.