Supreme Corporation Announces Change of Spokesperson

1. Type of personnel change (please enter Spokesperson, Deputy Spokesperson, Key Operating Officer (e.g., CEO, COO, CMO, CTO), CFO, Accounting Officer, Corporate Governance Officer, Information Security Officer, R&D Officer, Internal Audit Officer, or Litigation and Non-litigation Agent): Spokesperson. 2. Date of occurrence: May 11, 2025. 3. Name, rank, and brief resume of the outgoing person: Chang Chia-wei, Vice President, Senior Sales Vice President. 4. Name, rank, and brief resume of the incoming person: Yang Hung-hsuan, Assistant Manager, Sales Assistant Manager. 5. Circumstances of change (please enter "Resignation", "Job Adjustment", "Redundancy", "Retirement", "Death", "New Appointment", or "Dismissal"): Job Adjustment. 6. Reason for change: Job Adjustment. 7. Effective date: May 11, 2025. 8. Other information to be disclosed: None.