Cosmo Electronics Corporation announced change to the corporate governance officer of the company. Type of personnel changed: Corporate governance officer. Date of occurrence of the change: July 5, 2024.

Name, title, and resume of the previous position holder: Another announcement will be made after the approval of the board of directors. Name, title, and resume of the new position holder: LI, CHIH-CHIN/Vice president. Reason for the change: New replacement.

Effective date: July 5, 2024.