[Walsin] Results of the 21st Board of Directors Election

1. Date of change: 2026/05/22 2. Personnel category: Corporate Director, Independent Director, Natural Person Director 3. Former directors and independent directors: Jiao You-lun, Jiao You-jun, Jiao You-heng, Jiao You-qi, Xia Li-yan, Hsieh Wen-chien, Jin Xin Investment Co., Ltd., Xue Ming-ling, Hu Fu-xiong, Du Zi-jun, Gao Wei-chuan 4. Resumes of former directors: Held positions such as Chairman or Director at various listed companies. 5. New directors and independent directors: Jiao You-lun, Jiao You-heng, Jiao You-qi, Xia Li-yan, Xue Ming-ling, Claude Georges Haberer, Winbond Electronics Corp., Hu Fu-xiong, Du Zi-jun, Gao Wei-chuan, Qiu Li-meng 6. Resumes of new directors: Industry leaders and experts currently serving as Chairmen or consultants. 7. Reason for change: Re-election upon term expiration 8. Reason for change: Re-election upon term expiration 9. Shares held at appointment: Various holdings including Jiao You-heng (66,922,810 shares) and Winbond Electronics (270,000,782 shares). 10. Original term: 2023/05/19 ~ 2026/05/18 11. Effective date: 2026/05/22 12. Ratio of change: Not applicable (Full re-election) 13. Ratio of change for independent directors: Not applicable (Full re-election) 14. Ratio of change for supervisors: Not applicable 15. Whether one-third or more of directors have changed: No 16. Other notes: None of significant impact on shareholder rights or securities prices pursuant to Article 7, Paragraph 6 of the Enforcement Rules of the Securities and Exchange Act.