[NANG KUANG] Announcement of Change in Spokesperson

1. Category of personnel change: Spokesperson 2. Date of occurrence: 2026/05/29 3. Name, title, and resume of the predecessor: Wang Kuei-Fen / Director of Digital Information and Talent Development 4. Name, title, and resume of the successor: Liao Chi-Tsai / Finance Manager 5. Circumstances of change: Job reassignment 6. Reason for change: Organizational restructuring within the group 7. Effective date: 2026/05/29 8. Other matters: The appointment of the new spokesperson will be officially announced following approval by the Board of Directors.