Tongde Chemical: Chairman Zhang Hong resigns due to personal reasons, and Director Wu Qingwen will act on his behalf.

Announcement from Tongde Chemical Co., Ltd.: Mr. Zhang Hong, the Chairman of the company, has tendered his resignation for personal reasons, and the resignation report has been accepted by the Board of Directors. After his resignation, Mr. Zhang Hong will no longer hold any position in the company. Mr. Wu Qingwen, a director and the General Manager of the company, will act on behalf of the Chairman and legal representative to fulfill all duties until a new Chairman is elected. Mr. Zhang Hong's resignation will not affect the normal operation of the company's Board of Directors.