Securities code: 688202 Securities abbreviation: Medicilon Announcement No.: 2024-054

Shanghai Medicililon Biopharmaceutical Co., Ltd

Indicative announcement on the postponement of the re-election of the board of directors and the board of supervisors

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.

The third session of the board of directors of Shanghai Medicilon Biopharmaceutical Co., Ltd. (hereinafter referred to as the "Company").

The term of the three terms of the Supervisory Board will expire on November 21, 2024. In view of the company's new board of directors and board of supervisors

In order to ensure the continuity and stability of the relevant work of the board of directors and the board of supervisors, the general election of the board of directors and the board of supervisors of the company will be postponed, and the term of office of the members of the special committees and senior management of the board of directors will also be extended accordingly.

Before the completion of the general election, all members of the third board of directors, the third board of supervisors, members of the special committees of the board of directors and senior management of the company will continue to perform the duties and obligations of directors, supervisors, members of special committees of the board of directors and senior management in accordance with relevant laws and regulations and the articles of association of Shanghai Medicilon Biopharmaceutical Co., Ltd.

The postponement will not affect the normal operation of the company. The company will actively promote the relevant work process, complete the general election as soon as possible, and fulfill the information disclosure obligation in a timely manner.

The announcement is hereby made.

Board of Directors of Shanghai Medicilon Biopharmaceutical Co., Ltd

November 21, 2024