Castles Technology Co., Ltd. announced board changes. Title and name of the previous position holder: Director: Shih-Chin Chuang, Director: Kun-Ming Lee. Resume of the previous position holder: Shih-Chin Chuang: CPA, Morton CPA & Co.

and Director: Kun-Ming Lee: CPA, K & B CPAs Firm. Title and name of the new position holder: Director: Wen-Jeh Fong and Director: Chia-Hua Huang. Resume of the new position holder: Director: Wen-Jeh Fong: CSO, Castles Technology Co., Ltd. and Director: Chia-Hua Huang: COO, Castles Technology Co., Ltd. Reason for the change: Tenure expired.

Effective date of the new appointment: June 18, 2024.