[Winbond] Change of Corporate Director Representative

1. Date of change: 2026/05/29 2. Corporate name: Walsin Lihwa Corporation 3. Name of former representative: Pan Wen-hu 4. Resume of former representative: Pan Wen-hu (Chairman of Jincheng Construction Co., Ltd.) 5. Name of new representative: Chiao Tzu-yi 6. Resume of new representative: Chiao Tzu-yi (Director of Organization Development Division, Walsin Lihwa Corporation) 7. Reason for change: Re-appointment upon expiration of term 8. Original term: 2023/05/30 to 2026/05/29 9. Effective date of new appointment: 2026/05/29 10. Other matters: None