Zyxel Group Announces Election of One New Director at 2026 Annual Shareholders Meeting

1. Date of Change: 115/06/15 2. Category of Appointed or Changed Personnel (please enter Corporate Director, Corporate Supervisor, Independent Director, Individual Director, or Individual Supervisor): Individual Director 3. Previous Position and Name: Not applicable 4. Previous Resume: Not applicable 5. New Position and Name: Director: Lin Chin-Lan 6. New Resume: Director: Lin Chin-Lan, Chief Operating Officer and Chief Sustainability Officer of Zyxel Investment Holding Co., Ltd. 7. Nature of Change (please enter 'resignation', 'dismissal', 'end of term', 'deceased', or 'new appointment'): New appointment. 8. Reason for Change: Election to fill one vacant director seat. 9. Number of Shares Held by New Appointee at Time of Election: Director: Lin Chin-Lan (305,938 shares) 10. Original Term (e.g., xx/xx/xx ~ xx/xx/xx): 114/06/17 ~ 117/06/16 11. Effective Date of New Appointment: 115/06/15 12. Proportion of Concurrent-Term Directors Changed: 1/9 13. Proportion of Concurrent-Term Independent Directors Changed: Not applicable. 14. Proportion of Concurrent-Term Supervisors Changed: Not applicable. 15. Whether More Than One-Third of Directors Have Changed (please enter yes or no): No. 16. Other Matters to be Clarified (if the subject of the event or resolution is a publicly issued company or above, this major information also meets the criteria under Article 7, Paragraph 6 of the Enforcement Rules of the Securities and Exchange Act regarding matters that significantly affect shareholders' rights or securities prices): None. Keyword: Material Information