【JiaYu】Announcement of Change in Internal Audit Supervisor

1. Type of personnel change (please enter: spokesperson, acting spokesperson, important operational manager (e.g., CEO, COO, CMO, CSO), financial supervisor, accounting supervisor, corporate governance supervisor, information security officer, R&D supervisor, internal audit supervisor, or litigation/non-litigation agent): Internal Audit Supervisor 2. Date of change: 2026/05/06 3. Name, position, and brief resume of the former person: Lin Li-jen / Internal Audit Supervisor 4. Name, position, and brief resume of the new person: Liu Hui-wen / Assistant Manager, Production, Sales and Quality Control Department of the Company 5. Nature of change (please enter: "resignation", "job adjustment", "layoff", "retirement", "death", "new appointment" or "dismissal"): Retirement 6. Reason for change: Retirement 7. Effective date: 2026/05/06 8. Other matters that should be specified: The appointment of the new Internal Audit Supervisor was approved by the Company's Board of Directors on 2026/05/06.