[Sung Sheng Technology] Announcement of Vice President's Job Adjustment

1. Personnel change category (please enter spokesperson, deputy spokesperson, key operations manager (such as CEO, COO, CMO, and CTO), CFO, accounting manager, corporate governance manager, CISO, R&D manager, internal audit manager, or litigation and non-litigation agent): Vice President 2. Date of change: 2026/06/15 3. Name, position, and background of the former appointee: Chang Sheng-Yu/Vice President of Business Sales Department, Zhisheng Technology Co., Ltd., a subsidiary 4. Name, position, and background of the new appointee: None 5. Change situation (please select from the following: 'Resignation', 'Job Adjustment', 'Dismissal', 'Retirement', 'Death', 'New Appointment', or 'Dismissal'): Job Adjustment 6. Reason for change: Job Adjustment 7. Effective date: 2026/06/15 8. Other matters to be specified: None Keyword: Major Information