Shanghai Junshi Biosciences Co.Ltd(688180) : notice on convening the first extraordinary general meeting of shareholders in 2022

Securities code: Shanghai Junshi Biosciences Co.Ltd(688180) securities abbreviation: Shanghai Junshi Biosciences Co.Ltd(688180) Announcement No.: pro 2022015 Shanghai Junshi Biosciences Co.Ltd(688180)

Notice on convening the first extraordinary general meeting of shareholders in 2022

The board of directors and all directors of the company guarantee that there are no false records, misleading statements or major omissions in the contents of the announcement, and bear legal responsibility for the authenticity, accuracy and integrity of the contents according to law.

Important content tips:

Date of shareholders’ meeting: April 6, 2022

The online voting system adopted for the general meeting of shareholders: the online voting system of the general meeting of shareholders of Shanghai Stock Exchange

1、 Basic information of the meeting (I) type and session of the general meeting of shareholders

The first extraordinary general meeting of shareholders in 2022 (II) convener of the general meeting of shareholders: Board of directors (III) voting method: the voting method adopted in this general meeting of shareholders is a combination of on-site voting and online voting (IV) date, time and place of the on-site meeting

Date and time: 14:00 on April 6, 2022

Venue: 15 / F, building 7, No. 6, Lane 100, pingjiaqiao Road, Pudong New Area, Shanghai

(V) online voting system, starting and ending date and voting time.

Online voting system: online voting system for shareholders’ meeting of Shanghai Stock Exchange

Starting and ending time of online voting: from April 6, 2022

To April 6, 2022

The online voting system of Shanghai Stock Exchange is adopted. The voting time through the trading system voting platform is the trading time period on the day of the general meeting of shareholders, i.e. 9:15-9:25, 9:30-11:30, 13:00-15:00; The voting time through the Internet voting platform is 9:15-15:00 on the day of the general meeting of shareholders. (VI) voting procedures for margin trading, refinancing, agreed repurchase business accounts and investors of Shanghai Stock connect

The voting of accounts related to margin trading, refinancing business, agreed repurchase business and Shanghai Stock connect investors shall be carried out in accordance with the relevant provisions of the guidelines for self discipline supervision of companies listed on the science and Innovation Board of Shanghai Stock Exchange No. 1 – standardized operation. (VII) no matter involving the public solicitation of shareholders’ voting rights. Matters to be considered at the meeting

The types of proposals and voting shareholders deliberated at the general meeting of shareholders

Type of voting shareholder

No. proposal name

A-share shareholders and H-share shareholders

Non cumulative voting motion

1. Article on the company’s compliance with issuing A-Shares to specific objects √

Proposal of the

2.00 about the company issuing A-Shares to specific objects in 2022 √

Proposal on vote plan

2.01 type and par value of shares issued this time √

2.02 issuing method and time √

2.03 issuing object and subscription method √

2.04 issue quantity √

2.05 pricing base date, issue price and pricing principle √

2.06 restricted period √

2.07 scale and purpose of raised funds √

2.08 place of stock listing √

2.09 accumulated profit distribution arrangement √

2.10 validity period of this issuance resolution √

3 √ about the company issuing A-Shares to specific objects in 2022

Proposal on the plan

4 “about the company issuing A-Shares to specific objects in 2022 √

Proposal on demonstration and analysis report of ticket issuance scheme

5 “about the company issuing A-Shares to specific objects in 2022 √

Proposal on feasibility analysis report on the use of raised funds

6 special report on the use of the company’s previously raised funds √

Proposal for

7 “about the company issuing A-Shares to specific objects in 2022 √

The diluted immediate return of the ticket is related to the filling measures taken by the company and

Proposal on subject commitment

8 about the company’s shares in the next three years (20222024) √

Proposal on dividend return planning in East China

9. Proposal for the general meeting of shareholders to authorize the board of directors and its authorization √

The person has full authority to handle matters related to the issuance of a shares

Proposal

1. Time and media of disclosure of each proposal

The above proposal has been deliberated and adopted at the seventh meeting of the third board of directors held on March 7, 2022. Relevant announcements have been published on the website of Shanghai Stock Exchange (www.sse. Com. CN.) And the company’s designated disclosure media China Securities News, Shanghai Securities News, securities times and Securities Daily. 2. Proposals for special resolutions: 1, 2, 3, 4, 5, 6, 7, 8, 93. Proposals for separate counting of votes for small and medium-sized investors: 1, 2, 3, 4, 5, 6, 7, 8, 94. Proposals involving avoidance of voting by related shareholders: none

Names of affiliated shareholders who should avoid voting: none 5. Proposals involving preferred shareholders’ participation in voting: none 3. Voting precautions for the general meeting of shareholders (I) if the shareholders of the company exercise their voting rights through the online voting system of the general meeting of shareholders of Shanghai Stock Exchange, they can log in to the voting platform of the trading system (through the trading terminal of the securities company designated for trading) to vote, You can also log in to the Internet voting platform (website: vote. Sseinfo. Com.) Vote.

For the first time to log in to the Internet voting platform to vote, investors need to complete shareholder identity authentication. Please refer to the instructions on the website of the Internet voting platform for specific operations. (II) if the same voting right is voted repeatedly through on-site, online voting platform of the exchange or other means, the first voting result shall prevail. (III) shareholders can submit all proposals only after voting. 4、 Participants of the meeting (I) at the closing of the afternoon of the equity registration day, the shareholders of the company registered in China depository and Clearing Co., Ltd. Shanghai branch have the right to attend the general meeting of shareholders (see the table below for details), and can entrust agents to attend the meeting and vote in writing. The agent need not be a shareholder of the company.

Stock category Stock Code Stock abbreviation equity registration date

A shares Shanghai Junshi Biosciences Co.Ltd(688180) Shanghai Junshi Biosciences Co.Ltd(688180) 2022 / 3 / 28

Please refer to the company’s website on the stock exchange of Hong Kong (www.hkexnews. HK) and the company’s website (www.junshipharma. Com) for the registration and participation of H-share shareholders The notice and Circular of the above general meeting of shareholders published. (II) directors, supervisors and senior managers of the company. (III) lawyers employed by the company. (IV) other personnel v. meeting registration method (I) registration method of A-share shareholders:

1. Registration time: 9:30-16:00, March 30, 2022

2. Registration place: Shanghai Junshi Biosciences Co.Ltd(688180) securities department 3. Registration method:

Individual shareholders: if individual shareholders attend the on-site meeting in person, they shall hold their own valid ID card and stock account card; If an agent is entrusted to attend the meeting, the agent shall also hold his valid ID card and the power of attorney of the shareholder (Annex 1).

Non natural person shareholder: if the legal representative or executive partner of the non natural person shareholder attends the on-site meeting in person, he shall hold the stock account card of the non natural person shareholder, the valid ID card of the legal representative or executive partner, and the copy of the business license of the non natural person shareholder (with official seal); If an agent is entrusted to attend the meeting, the agent shall also show his valid ID card and the written power of attorney issued by the non natural person shareholder according to law (Annex 1).

If the investors of margin trading and securities lending attend the on-site meeting, they shall hold the securities account certificate issued by the securities companies related to margin trading and securities lending and the power of attorney issued to the investors; If the investor is an individual, it shall also hold its own valid identity certificate or other valid certificates that can indicate its identity. If the investor is a non natural person, it shall also hold a copy of the business license of the non natural person shareholder (with official seal), the valid identity certificate of the participants, and the written power of attorney issued by the non natural person shareholder according to law (Annex 1).

Non local shareholders can send letters, faxes or emails( [email protected]. )Registration shall be handled and delivered before 16:00 on March 30, 2022, subject to the time of arrival at the company. Please indicate ” Shanghai Junshi Biosciences Co.Ltd(688180) 2022 first extraordinary general meeting” on the letter and leave effective contact information. When the above-mentioned investors attending the on-site meeting handle the on-site registration on the day of the meeting, in addition to presenting the original of the above-mentioned registration materials, they need to provide another copy. The copy of the registration materials of individual shareholders needs to be signed by the shareholders themselves, and the copy of the registration materials of non natural shareholders needs to be stamped with the official seal of the unit. (II) registration method of H-share shareholders:

Please refer to the company’s website on the stock exchange of Hong Kong (www.hkexnews. HK) and the company’s website (www.junshipharma. Com) for the registration and participation of H-share shareholders The notice and Circular of the above general meeting of shareholders published. 6、 Other matters

(I) meeting contact information: 16 / F, building 7, No. 6, Lane 100, pingjiaqiao Road, Pudong New Area, Shanghai. Email: [email protected]. 。 (II) meeting expenses: accommodation and transportation expenses shall be borne by yourself.

It is hereby announced.

Shanghai Junshi Biosciences Co.Ltd(688180) board of directors March 8, 2022 Annex 1: power of attorney

Annex 1: power of attorney

Power of attorney

Shanghai Junshi Biosciences Co.Ltd(688180) :

I hereby entrust Mr. (Ms.) to attend the first extraordinary general meeting of shareholders of your company in 2022 held on April 6, 2022 on behalf of my unit (or myself) and exercise voting rights on behalf of me. Number of ordinary shares held by the trustor: account number of the trustor’s shareholder:

No. name of non cumulative voting proposal agree against abstain

1 “about the company’s compliance with issuing to specific objects”

Proposal on conditions of a shares

2.00 about the company’s contribution to specific objects in 2022

Proposal on the scheme of issuing a shares

2.01 types and par value of shares issued this time

2.02 issuing method and time

2.03 issuing object and subscription method

2.04 issue quantity

2.05 pricing base date, issue price and pricing principle

2.06 restricted period

2.07 scale and purpose of raised funds

2.08 place of listing

2.09 distribution arrangement of accumulated profits

2.10 validity period of this issuance resolution

3 about the company’s contribution to specific objects in 2022

Proposal on the plan for issuing a shares

4 about the company’s contribution to specific objects in 2022

Demonstration of A-share issuance scheme

Proposal on analysis report

5 “about the company’s contribution to specific objects in 2022”

Available for use of funds raised by issuing a shares

Proposal on Feasibility Analysis Report

6. About the use of the company’s previously raised funds

Proposal on special report

7 about the company

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