Xing Neng Gao Announces Change in Deputy General Manager of Marketing Division

1. Position affected (please specify spokesperson, acting spokesperson, key operational executives such as CEO, COO, CMO, CSO, financial officers, accounting officers, corporate governance officers, CISO, R&D heads, internal audit heads, or litigation/non-litigation representatives): Deputy General Manager of Marketing Division 2. Date of change: 2026/06/05 (R.O.C. Year 115) 3. Name, title, and brief resume of outgoing executive: Yu Qi / Deputy General Manager of Marketing Division 4. Name, title, and brief resume of incoming executive: Not applicable 5. Nature of change (please select from 'resignation', 'reassignment', 'layoff', 'retirement', 'death', 'new appointment', or 'dismissal'): Resignation 6. Reason for change: Resignation 7. Effective date: 2026/06/05 (R.O.C. Year 115) 8. Additional disclosures: The duties of the Deputy General Manager of the Marketing Division will be temporarily assumed by Lin Jia-Min, Special Assistant to the General Manager's Office, until a new appointment is formally approved by the Board of Directors and publicly announced.