Shanghai Junshi Biosciences : RESIGNATION OF INDEPENDENT NON-EXECUTIVE DIRECTOR, CHAIRMAN OF NOMINATION COMMITTEE, AND MEMBER OF AUDIT COMMITTEE AND REMUNERATION AND APPRAISAL COMMITTEE

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this announcement, make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this announcement.

SHANGHAI JUNSHI BIOSCIENCES CO., LTD.*

上海君實生物醫藥科技股份有限公司

(a joint stock company incorporated in the People's Republic of China with limited liability)

(Stock code: 1877)

RESIGNATION OF INDEPENDENT NON-EXECUTIVE DIRECTOR,

CHAIRMAN OF NOMINATION COMMITTEE, AND MEMBER OF AUDIT COMMITTEE AND REMUNERATION AND APPRAISAL COMMITTEE

This announcement is made by Shanghai Junshi Biosciences Co., Ltd.* (the "Company") pursuant to Rule 13.51(2) of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited. Reference is also made to the overseas regulatory announcement dated 24 July 2020.

Mr. Chen Xinjun has tendered his resignation as an independent non-executive director of the Company, chairman of the nomination committee of the Company, and member of the audit committee and the remuneration and appraisal committee of the Company on 24 July 2020 due to internal regulations of the company by which he is employed. Mr. Chen will continue to carry out his duties until, and his resignation will become effective upon, the appointment of a new independent non-executive director of the Company. The appointment of the new independent non-executive director will be subject to shareholders' approval. The board (the "Board") of directors of the Company will use its best endeavours to identify suitable candidate(s) as soon as possible. The Company will make further announcement(s) as and when appropriate.

Mr. Chen has confirmed that he has no disagreement with the Board, and there is no other matter that should be brought to the attention of the shareholders of the Company in relation to his resignation.

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The Board would like to take this opportunity to express its sincere gratitude to Mr. Chen for his contributions to the Company during his tenure of office.

By Order of the Board

Shanghai Junshi Biosciences Co., Ltd.*

Mr. Xiong Jun

Chairman

Shanghai, the PRC, 24 July 2020

As at the date of this announcement, the board of directors of the Company comprises Mr. Xiong Jun, Dr. Li Ning, Dr. Feng Hui, Mr. Zhang Zhuobing, Dr. Wu Hai and Dr. Yao Sheng as executive Directors; Mr. Tang Yi, Mr. Li Cong, Mr. Yi Qingqing and Mr. Lin Lijun as non-executive Directors; and Dr. Chen Lieping, Mr. Chen Xinjun, Mr. Qian Zhi, Mr. Zhang Chun and Dr. Roy Steven Herbst as independent non-executive Directors.

• For identification purpose only

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