On July 1, 2024, Yankey Engineering Co., Ltd. announced Chief Executive Officer changes. Name, title, and resume of the previous position holder: Yu-Chung Lai/Chairman and CEO of Yankey Engineering Co., Ltd. Name, title, and resume of the new position holder: Shih-Yuan Liu/Chairman of Yankey Engineering Co., Ltd. Type of the change is position adjustment. Reason for the change: The Chairman to Serve Concurrently as Chief Executive Officer.

Effective date: July 1, 2024.