1.Type of personnel changed (please enter: spokesperson, acting spokesperson, important personnel (CEO, COO, CMO, CSO, etc.), financial officer, accounting officer, corporate governance officer, chief information security officer,research and development officer, internal audit officer, or designated and non-designated representatives):internal audit officer 2.Date of occurrence of the change:2025/04/18 3.Name, title, and resume of the previous position holder: Ya-Chi Wu, Senior Internal Auditor 4.Name, title, and resume of the new position holder:None. 5.Type of change (please enter: ”resignation”,”position adjustment”, ”dismissal”, ”retirement”, ”death” or ”new replacement”):resignation 6.Reason for the change:personal career planning 7.Effective date:2025/05/16 8.Any other matters that need to be specified: TSH will announce the new internal audit officer after the approval of the Audit Committee and Board of Directors.