[Apex] Announcement of board member appointment and changes at subsidiary Apex (Nantong) Microelectronics Technology Co., Ltd. (1/3 threshold met)

1. Date of change: 115/06/17 2. Category of personnel appointed or changed (Corporate Director, Corporate Supervisor, Independent Director, Natural Person Director, or Natural Person Supervisor): Natural Person Director 3. Title and name of the predecessor: NA 4. Resume of the predecessor: NA 5. Title and name of the successor: Cheng-Long Gu 6. Resume of the successor: Manager, Administration Department, Apex (Nantong) Microelectronics Technology Co., Ltd. 7. Situation of change (Enter "resignation", "dismissal", "term expiration", "death", or "new appointment"): New appointment 8. Reason for change: Filling a vacancy 9. Shareholding of the successor at the time of appointment: NA 10. Original term (e.g., xx/xx/xx ~ xx/xx/xx): 114/03/10 ~ 117/03/10 11. Effective date of new appointment: 115/06/17 12. Turnover rate of directors for the same term: 1/3 13. Turnover rate of independent directors for the same term: NA 14. Turnover rate of supervisors for the same term: NA 15. Whether one-third or more of the directors have changed (Enter "Yes" or "No"): Yes 16. Other notes (If the entity involved in the event or resolution is a public or higher-level company, this material message simultaneously meets the matters defined in Article 7, Paragraph 6 of the Enforcement Rules of the Securities and Exchange Act that have a significant impact on shareholder equity or securities prices): None