BES Engineering Corporation announced the change of chief internal auditor of the Company. Name, title, and resume of the previous position holder: Lin Zijing, BES Engineering Corporation chief internal auditor; Name, title, and resume of the new position holder: Jiao Aishan, BES Engineering Corporation Division Manager. Reason for the change: Removing Lin Zijing from her position as chief internal auditor.

Effective date is October 16, 2023.