[USI] Announcement Regarding the Re-election of Audit Committee Members

1. Date of change: 115/05/29 2. Committee name: Audit Committee 3. Former members: Chen (Er-zhong), Tu Tzu-chun, Hai Ying-chun, Chen Sheng-te 4. Former profiles: Chen (Er-zhong) Professor at Soochow University, Tu Tzu-chun Independent Director at Macronix, Hai Ying-chun Director at Delta Electronics, Chen Sheng-te Director at Taiwan Cement 5. New members: Chen (Er-zhong), Tu Tzu-chun, Hai Ying-chun, Chen Sheng-te 6. New profiles: Same as above 7. Change status: Expiration of term 8. Reason for change: Re-election upon expiration of term 9. Original term: 112/05/31 ~ 115/05/30 10. Effective date: 115/05/29 11. Other: Chen's name is displayed as (Er-zhong) due to system display issues.