Shanghai Rightongene Biotechnology Co.Ltd(688217) : notice on convening the 2021 annual general meeting of shareholders

Securities code: Shanghai Rightongene Biotechnology Co.Ltd(688217) securities abbreviation: Shanghai Rightongene Biotechnology Co.Ltd(688217) Announcement No.: 202219 Shanghai Rightongene Biotechnology Co.Ltd(688217)

Notice on convening the 2021 annual general meeting of shareholders

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: May 10, 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

2021 annual general meeting of shareholders (Ⅱ) convener of 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 on-site meeting

Date and time: 14:30, May 10, 2022

Venue: Shanghai Rightongene Biotechnology Co.Ltd(688217) conference room, building 3, No. 6055, Jinhai highway, Fengxian District, 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 May 10, 2022

To May 10, 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

Accounts related to margin trading, refinancing business, agreed repurchase business and the voting of Shanghai Stock connect investors shall be implemented 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

Non cumulative voting motion

1 proposal on the work report of the board of directors in 2021 √

2 proposal on the work report of the board of supervisors in 2021 √

3 proposal on work report of independent directors in 2021 √

4 proposal on 2021 financial final accounts report √

5 proposal on financial budget report for 2022 √

6 proposal on 2021 profit distribution plan √

7 proposal on the renewal of accounting firm √

8 proposal on the 2021 annual report and its summary √

9 proposal on Directors’ remuneration scheme in 2022 √

10 proposal on the remuneration scheme of supervisors in 2022 √

1. Explain the time and media of disclosure of each proposal

The above proposal has been deliberated and approved at the fourth meeting of the second board of directors and the fourth meeting of the second board of supervisors held by the company on April 18, 2022. See the website of Shanghai Stock Exchange on the same day for details And relevant announcements and documents disclosed by Shanghai Securities News, China Securities News, securities times and Securities Daily. Before the 2021 annual general meeting of shareholders, the company will publish the information on the website of Shanghai Stock Exchange (www.sse. Com. CN.) Publish the materials of Shanghai Rightongene Biotechnology Co.Ltd(688217) 2021 annual general meeting of shareholders. 2. Special resolution proposal: proposal 63. Proposal on separate vote counting for small and medium-sized investors: proposal 6, proposal 7, proposal 94. Proposal 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、 Meeting attendees

(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 Rightongene Biotechnology Co.Ltd(688217) Shanghai Rightongene Biotechnology Co.Ltd(688217) 2022 / 5 / 5

(II) directors, supervisors and senior managers of the company. (III) lawyers employed by the company. (IV) other personnel v. meeting registration method

(I) registration time: May 7, 2022 (9:00-12:00 a.m. and 13:00-17:00 p.m.). (II) place of registration: Building 3, No. 6055, Jinhai Road, Fengxian District, Shanghai, the office of the board of directors of the company (III) registration method: shareholders or shareholders’ agents who intend to attend the meeting shall handle on-site at the above time and place with the following documents.

Non local shareholders can register by e-mail. Please indicate the words “general meeting of shareholders” on the e-mail; The company does not accept telephone registration. When attending the meeting, you need to bring the original supporting materials. 1. Natural person shareholder: original ID card, original stock account card (if any) and other shareholding certificates; 2. Authorized agent of natural person shareholder: original valid ID card of the agent, copy of ID card of natural person shareholder, original power of attorney, original stock account card of the principal (if any) and other shareholding certificates; 3. Legal representative of legal person shareholder: original valid ID card, business license of legal person shareholder (copy with official seal), original identity certificate of legal representative, original stock account card (if any) and other shareholding certificates; 4. Authorized agent of legal person shareholder: original valid ID card of the agent, business license of legal person shareholder (copy and official seal), power of attorney (signature and official seal of legal representative), original stock account card (if any) and other shareholding certificates. 6、 Other matters

(I) meeting contact: Li Yan Tel: + 86-2133282601 Fax: 02137199015 email: [email protected]. Contact address: Building 3 (II), No. 6055, Jinhai Road, Fengxian District, Shanghai. The duration of the shareholders’ meeting is half a day. Shareholders attending the on-site meeting are requested to arrange their own accommodation and transportation expenses. (III) shareholders attending the meeting are requested to bring the original certificate in the above registration materials to the meeting site half an hour in advance to sign in. (IV) in line with the current arrangements for the prevention and control of the New Coronavirus epidemic, the company suggested that shareholders and shareholders’ representatives take the form of online voting to participate in the shareholders’ meeting. The shareholders and shareholders representatives attending the on-site meetings should take effective protective measures, and cooperate with the venue to receive relevant epidemic prevention work such as temperature detection.

It is hereby announced.

Shanghai Rightongene Biotechnology Co.Ltd(688217) board of directors April 20, 2022 Annex 1: power of attorney

Filing documents

Resolution of the board of directors proposing to convene this shareholders’ meeting

Annex 1: power of attorney

Power of attorney

Shanghai Rightongene Biotechnology Co.Ltd(688217) :

I hereby entrust Mr. (Ms.) to attend the 2021 annual general meeting of shareholders of your company held on May 10, 2022 on behalf of my unit (or myself) and exercise voting rights on behalf of me. Number of ordinary shares held by the trustor: number of preferred shares held by the trustor: account number of the trustor’s shareholder:

No. name of non cumulative voting proposal agree against abstain

1 proposal on the work report of the board of directors in 2021

2 proposal on the work report of the board of supervisors in 2021

3. Proposal on work report of independent directors in 2021

4. Proposal on financial final accounts report of 2021

5 proposal on financial budget report of 2022

6 proposal on 2021 profit distribution plan

7. Proposal on re employment of accounting firm

8. Proposal on the 2021 annual report and its summary

9 proposal on Directors’ remuneration scheme in 2022

10 proposal on the remuneration scheme of supervisors in 2022

Signature (seal) of the trustor: signature of the trustee:

The ID number of the client: the ID number of the trustee:

Date of entrustment: mm / DD / yy

remarks:

The trustor shall choose one of the “agree”, “oppose” or “abstain” intentions in the power of attorney and tick “√”. If the trustor fails to give specific instructions in the power of attorney, the trustee has the right to vote according to its own wishes.

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