【Ching Ching】Change in Senior Vice President

1. Position affected (e.g., spokesperson, acting spokesperson, key operational executives such as CEO, COO, CMO, CSO, financial officer, accounting officer, corporate governance officer, CISO, R&D head, internal audit head, or litigation/non-litigation representative): Senior Vice President 2. Date of change: 115/07/31 3. Former executive's name, title, and resume: Chou, Cheng-Chung / Senior Vice President / CFO of Winbond Electronics Corporation 4. New executive's name, title, and resume: None 5. Nature of change: Resignation 6. Reason for change: Group job rotation 7. Effective date: 115/07/31 8. Other disclosures: None