【Tatung】Announcement of managerial personnel change at the company

1. Type of personnel change (please enter spokesperson, acting spokesperson, important operational executive (e.g., CEO, COO, CMO, CSO, etc.), financial executive, accounting executive, corporate governance officer, chief information security officer, R&D executive, internal audit executive, or litigation and non-litigation agent): Chief Strategy Officer 2. Date of change: April 17, 2026 (ROC Calendar 115/04/17) 3. Name, position, and brief resume of the former incumbent: Ding Er-kun / Chief Strategy Officer, Spokesperson of Tatung Co., Ltd. 4. Name, position, and brief resume of the new incumbent: None 5. Status of change (please enter "resignation," "job adjustment," "layoff," "retirement," "death," "new appointment," or "dismissal"): Job adjustment 6. Reason for change: Job adjustment 7. Effective date: April 17, 2026 (ROC Calendar 115/04/17) 8. Other matters to be specified: The spokesperson's duties remain unchanged.