[Etron] Announcement of the 4th Audit Committee Members

1. Date of change: 115/05/25. 2. Committee name: Audit Committee. 3. Former members: Kuo Chung-chien, Li Jih-chien, Chang Hsien-sung, Hung Shun-ching. 4. Former members' background: All were independent directors of the company. 5. New members: Kuo Chung-chien, Hung Shun-ching, Lu Yueh-sen, Chu Mu-tao. 6. New members' background: Kuo and Hung are independent directors; Lu is an independent director at Mytech; Chu is the Chief Strategy Officer of TOSIA. 7. Reason for change: Expiration of term. 8. Background: Full re-election of directors in line with the annual general meeting. 9. Original term: 112/05/30 ~ 115/05/29. 10. Effective date: 115/05/25. 11. Other notes: Kuo Chung-chien was unanimously elected as the convener.