Securities code: 688116 Securities abbreviation: Tiannai Technology Announcement No.: 2024-074

Convertible bond code: 118005 Bond abbreviation: Tiannai convertible bond

Jiangsu Tiannai Technology Co., Ltd

Announcement on the adjustment of the company's organizational structure

The board of directors and all directors of the company guarantee that there are no false records, misleading statements or material omissions in the content of this announcement, and assume legal responsibility for the authenticity, accuracy and completeness of its content in accordance with the law.

Jiangsu Tiannai Technology Co., Ltd. (hereinafter referred to as the "Company") was convened on December 13, 2024

The fifteenth meeting of the third board of directors was held, and the "Proposal on Adjusting the Company's Organizational Structure" was deliberated and approved.

In order to better achieve the company's strategic objectives, further strengthen and standardize the company's management, optimize the business management process, build an organizational system that adapts to the company's strategic development, and improve the company's scientific management level and operational efficiency, the company adjusts and optimizes the organizational structure.

The adjustment of the organizational structure is the adjustment of the company's internal management organization, and will not have a significant impact on the company's production and operation activities.

The announcement is hereby made.

Board of Directors of Jiangsu Tiannai Technology Co., Ltd

December 14, 2024

Annex: