【Guo Jian】Announcement on the Change of the Company's Chief Sustainability Officer

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 Sustainability Officer 2. Date of change: 115/05/06 3. Name, title, and brief resume of former incumbent: General Manager Li Hong-Ming 4. Name, title, and brief resume of new incumbent: General Manager Guo Wen-Kai 5. Reason for change (please enter "resignation", "position adjustment", "layoff", "retirement", "death", "new appointment", or "dismissal"): New appointment 6. Reason for change: New appointment 7. Effective date: 115/05/06 8. Other matters to be specified: None