【Jia Chang】Announcement of Personnel Adjustment for the Company's Acting Spokesperson

1. Type of personnel change (Please enter spokesperson, acting spokesperson, important operational executive (e.g., CEO, COO, CMO, CSO), CFO, accounting manager, corporate governance officer, information security officer, R&D executive, internal audit executive, or litigation and non-litigation agent): Acting Spokesperson 2. Date of change: 2026/05/13 3. Name, title, and brief resume of former incumbent: Song Yong-ming, Vice General Manager of Jia Chang Co., Ltd. 4. Name, title, and brief resume of new incumbent: Song Yong-ming, Vice General Manager of Jia Chang Co., Ltd. and concurrently Vice General Manager of Jia Chang Technology (Vietnam) Co., Ltd. 5. Status of change (Please enter "resignation", "duty adjustment", "layoff", "retirement", "death", "new appointment", or "dismissal"): Duty adjustment 6. Reason for change: Duty adjustment 7. Effective date: 2026/06/01 8. Other matters that should be stated: None