China Ecotek Corporation announced board changes. Date of occurrence of the change is June 21, 2023. Title and name of the previous position holder: Director Tsan-Jen Chen,Representing CHF Steel Co.

Ltd. Resume of the previous position holder: Tsan-Jen Chen,Representing CHF Steel Co. Ltd. General Manager of CHF Steel Co. Ltd. Resume of the new position holder: Director Po-Nien Lin,Representing Bai-Chien Investment Co.

Ltd. Resume of the new position holder: Po-Nien Lin,Representing Bai-Chien Investment Co. Ltd. Special Assistant to the Chairman of Bai-Chien Trading Co. Ltd. Reason for the change: term expired.

Effective date of the new appointment: June 21, 2023.