Cheng Shin Industrial *- Chuang Announces Board Approval of New Internal Audit Head Appointment

1. Personnel Change Category: Internal Audit Head

2. Date of Change: August 6, 2026 (R.O.C. Year 115)

3. Former Executive's Name, Title, and Resume: Not applicable

4. New Executive's Name, Title, and Resume: Lu Cheng-Hsi, Internal Audit Head at UQ Corporation

5. Nature of Change: New Appointment

6. Reason for Change: New Appointment

7. Effective Date: August 6, 2026 (R.O.C. Year 115)

8. Additional Disclosures:

(1) The company previously disclosed a material announcement regarding the change in Internal Audit Head on March 29, 2026 (R.O.C. Year 115).

(2) On August 6, 2026 (R.O.C. Year 115), the appointment was approved by the Audit Committee and formally resolved by the Board of Directors.