【Zinwell】Announcement of Personnel Change for Vice President

1. Type of personnel change (please enter spokesperson, acting spokesperson, key operational manager (e.g., CEO, COO, CMO, CSO, etc.), financial manager, accounting manager, corporate governance officer, information security officer, R&D manager, internal audit manager, or litigation and non-litigation agent): Vice President 2. Date of change: 2026/04/30 3. Name, title, and resume of the former incumbent: Cai Yugong, Vice President of R&D Department 3, Hsinchu Factory, Zinwell Corporation 4. Name, title, and resume of the new incumbent: None 5. Type of change (please enter "resignation", "position adjustment", "layoff", "retirement", "death", "new appointment", or "dismissal"): Retirement 6. Reason for change: Retirement 7. Effective date: 2026/04/30 8. Other matters that need to be specified: None.