[AVerMedia] Announcement of Board Chairman Election

1. Date of Board Resolution or Change: 115/06/11 (June 11, 2026) 2. Personnel Category (Please enter Chairman or President): Chairman 3. Former Incumbent's Name: Kuo Chung-sung 4. Former Incumbent's Biography: Chairman of the Company 5. New Appointee's Name: Kuo Chung-sung 6. New Appointee's Biography: Chairman of the Company 7. Change Circumstances (Please enter 'Resignation', 'Dismissal', 'Term Expiration', 'Job Adjustment', 'Redundancy', 'Retirement', 'Deceased', or 'New Appointment'): Term Expiration 8. Reason for Change: In conjunction with the board's early comprehensive re-election and subsequent re-appointment. 9. Effective Date of New Appointment: 115/06/11 (June 11, 2026) 10. Other Matters to be Noted (If the entity of the event or resolution is a publicly issued or higher company, this major information also meets the criteria of Article 7, Paragraph 6 of the Regulations Governing the Application of the Securities Transaction Act regarding matters that have a material impact on shareholder rights or securities prices): None