[Taiwan Fertilizer] Change of R&D Head at Taiwan Fertilizer Co.

1. Type of personnel change (please enter spokesperson, acting spokesperson, key operational officer (e.g., CEO, COO, CMO, CSO, etc.), financial officer, accounting officer, corporate governance officer, chief information security officer, R&D officer, chief internal auditor, or litigation and non-litigation agent): R&D officer 2. Date of occurrence of the change: April 16, 2026 3. Name, title, and resume of the previous position holder: Lin Hsueh-Cheng, Master's from the Institute of Agricultural Chemistry, National Taiwan University, former Director of Taiwan Fertilizer Research Institute, currently Hualien Plant Manager. 4. Name, title, and resume of the new position holder: Ho Shang-Tang, Master's from the Institute of Urban Planning, National Chung Hsing University, former Director of Sales Department I, currently Director of Taiwan Fertilizer Research Institute. 5. Type of change (please enter "resignation", "job adjustment", "severance", "retirement", "death", "new appointment", or "dismissal"): Job adjustment 6. Reason for the change: Job adjustment 7. Effective date: April 16, 2026 8. Other matters to be specified: None