Tatung Electric Announces Reappointment of Chairman for Subsidiary Taiwan Digital Broadband Cable Television Corp.

1. Date of Board Resolution or Change: 2026/07/27 (Minguo Year 115) 2. Position Affected (Please enter 'Chairman' or 'General Manager'): Chairman 3. Former Incumbent's Name: Representative of Tatung Cable Television Corp. - Cheng Wen-Chuan 4. Former Incumbent's Resume: Chairman of Taiwan Digital Broadband Cable Television Corp. 5. New Appointee's Name: Representative of Tatung Cable Television Corp. - Cheng Wen-Chuan 6. New Appointee's Resume: Chairman of Taiwan Digital Broadband Cable Television Corp. 7. Nature of Change (Please enter 'Resignation', 'Dismissal', 'End of Term', 'Position Adjustment', 'Redundancy', 'Retirement', 'Deceased', or 'New Appointment'): End of Term 8. Reason for Change: End of Term 9. Effective Date of New Appointment: 2026/07/27 (Minguo Year 115) 10. Additional Disclosures (If the subject is a publicly listed company, whether this material information meets Article 7, Paragraph 6 of the Enforcement Rules of the Securities and Exchange Act regarding matters significantly affecting shareholders' rights or securities prices): None