[Leader] Announcement regarding the reassignment of R&D Head and CTO

1. Category of personnel change (Spokesperson, Acting Spokesperson, Key operational executives (CEO, COO, CMO, Chief Strategy Officer, etc.), Finance Head, Accounting Head, Corporate Governance Head, CISO, R&D Head, Internal Audit Head, or Litigation/Non-litigation agent): R&D Head, CTO 2. Date of change: 115/05/21 3. Name, title, and profile of the predecessor: Name: Richard Walter Westerfer Title and Profile: Leader Electronics R&D Head and CTO 4. Name, title, and profile of the successor: To be announced separately after the appointment is approved by the recent Board of Directors meeting. 5. Circumstances of the change (Enter 'Resignation', 'Reassignment', 'Layoff', 'Retirement', 'Death', 'New Appointment', or 'Dismissal'): Reassignment 6. Reason for change: Internal reassignment 7. Effective date: 115/05/21 8. Other matters: None