[WUS] Announcement of the Company's 4th Audit Committee Members

WUS Printed Circuit Co., Ltd. announced the change in the members of its 4th Audit Committee on June 12, 2026.

Details of the changes are as follows:

1. Date of the change: June 12, 2026 (Republic of China Year 115) 2. Name of the functional committee: Audit Committee 3. Outgoing members: (1) Lai Chien-hung, Independent Director (2) Lin Chia-hung, Independent Director (3) Yang Shih-chien, Independent Director 4. Profiles of outgoing members: (1) Lai Chien-hung: Independent Director of WUS Printed Circuit Co., Ltd. (2) Lin Chia-hung: Independent Director of WUS Printed Circuit Co., Ltd. (3) Yang Shih-chien: Independent Director of WUS Printed Circuit Co., Ltd. 5. Incoming members: (1) Tseng Chung-nan, Independent Director (2) Su Er-lang, Independent Director (3) Wang De-lin, Independent Director 6. Profiles of incoming members: (1) Tseng Chung-nan: Independent Director of Hardo Technology Co., Ltd. (2) Su Er-lang: Attorney of Wisdom & Honor Attorneys-at-Law, Independent Director of Mass Technology Co., Ltd. (3) Wang De-lin: Vice President of Hao Cen Electronic Metal Co., Ltd. 7. Type of change: Expiration of term 8. Reason for change: Re-election upon expiration of directors' term 9. Original term of office: June 16, 2023 to June 15, 2026 (Republic of China Year 112 to 115) 10. Effective date of the new appointment: June 12, 2026 (Republic of China Year 115) 11. Other matters to be specified: None.