Stock code: 688276 Stock abbreviation: Baike Bio Announcement No.: 2022-015

Changchun Baike Biotechnology Co., Ltd.

Notice of Convening the 2021 Annual General Meeting

the company's board of directors and all directors to ensure that the contents of the announcement does not exist any false records, misleading statements or major omissions, and the authenticity, accuracy and completeness of the contents of the legal responsibility.

Important Content Tips:

Date of shareholders' meeting: June 7, 2022

The shareholders' meeting adopted the network voting system: Shanghai Stock Exchange shareholders' meeting network voting

System

The basic situation of the meeting held in 1.

Type and Session of (I) Shareholders' Meeting

2021 Annual General Meeting of Shareholders

Convener of (II) Shareholders' Meeting: Board of Directors

(III) voting method: the voting method adopted by the shareholders' meeting is a combination of on-site voting and online voting.

Date, time and place of (IV) site meeting

Date and time: 14: 30 on June 7, 2022

Venue: Conference Room, 5th Floor, Changchun Baike Biotechnology Co., Ltd. (138 Zhuoyue Street, Changchun City, Jilin Province)

(V) network voting system, start and end dates and voting time.

Online voting system: Shanghai Stock Exchange shareholders' meeting online voting system

Starting and ending time of online voting: from June 7, 2022

until 7 June 2022

Using the online voting system of the Shanghai Stock Exchange, the voting time through the voting platform of the trading system is the trading time period on the day of the shareholders' meeting, that is, 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 shareholders' meeting.

Voting procedures for (VI) margin financing, refinancing, agreed repurchase business accounts and Shanghai Stock Connect investors

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 "Shanghai Stock Exchange Science and Technology Innovation Board Listed Companies Self-Regulatory Guidelines No. 1-Standardized Operation.

(VII) involves a public call for shareholder voting rights

None

Matters for consideration at 2. meetings

The general meeting of shareholders to consider the motion and voting shareholders type

Class of voting shareholders

No. Proposal Name Type

A- share shareholders

Non-Cumulative Voting Bill

1 Report on the Work of the Board of Directors for 2021 √

2 Report on the Work of the Supervisory Board for 2021 √

3 Financial Final Accounts Report for 2021 √

4 2022 Financial Budget Report √

5 Profit Distribution Plan for 2021 √

6 Full Text and Summary √

7 "On the renewal of the company's 2022 financial audit institution and internal control audit machine.

The Bill of Construction

8 Proposal on Amending the Articles of Association of the Company √

Note: This shareholders' meeting will also hear the report on the work of independent directors in 2021.

1. Explain when each bill has been disclosed and the media for disclosure.

The proposal submitted to the general meeting of shareholders for deliberation has been approved by the fourth meeting of the fifth board of directors and the fifth supervisory board of the company.

The third meeting of the board of directors was deliberated and approved, and the relevant announcement was made on the website of Shanghai Stock Exchange on March 17, 2022

(www.sse.com.cn) and "China Securities Journal", "Shanghai Securities News", "Securities Times" and "Securities Daily" to disclose.

Special resolutions: 8

3. Motion on separate vote counting for small and medium-sized investors: 5, 7

4. Motion involving the avoidance of voting by affiliated shareholders: none

Name of affiliated shareholder who should abstain from voting: None

5, involving preferred shareholders to participate in the voting of the motion: none.

Matters needing attention in voting of 3. shareholders' meeting

(I) shareholders of the Company exercise their voting rights through the online voting system of the shareholders' meeting of the Shanghai Stock Exchange, they can either log on to the voting platform of the trading system (through the trading terminal of the securities company designated for trading) to vote or log on to the Internet voting platform (website: vote.sseinfo.com) to vote. For the first time to log on to the Internet voting platform to vote, investors need to complete shareholder identity authentication. Specific operation, please see the Internet voting platform website instructions.

If the same voting right is (II) repeatedly through the on-site voting platform of the Exchange or other methods, the result of the first voting shall prevail.

(III) shareholders can only submit all motions after voting on them.

4. meeting attendees

The shareholders of the company registered in Shanghai Branch of China registration and Clearing Co., Ltd. at the close of the market on the afternoon of the equity registration day of the (I) have the right to attend the general meeting of shareholders (see the table below for details), and may entrust an agent in writing to attend the meeting and vote. The agent need not be a shareholder of the corporation.

Share Class Stock Code Stock Referred to as Share Registration Date

A shares 688276 hundred grams of biological 2022/5/30

(II) directors, supervisors and senior managers of the company.

A lawyer hired by a (III) company.

(IV) Other Personnel

5. Conference Registration Method

1. Participating shareholders (including shareholders' agents) are required to provide the following documents when registering or reporting:

(1) If an individual shareholder attends the meeting in person, he shall present his shareholder account card and his ID card or other valid documents or certificates that can show his identity; if he entrusts others to attend the meeting, the agent shall also present his valid ID card and the shareholder's authorization Power of attorney. (See Annex 1 for details)

(2) A legal person shareholder shall be present at the meeting by the legal representative or an agent entrusted by the legal person shareholder. If the legal representative attends the meeting, he shall present his shareholder account card, his ID card, and a valid certificate that can prove his qualification as a legal representative; if an agent is entrusted to attend the meeting, the agent shall also present his ID card and a written certificate issued by the legal person shareholder Power of attorney. (See Annex 1 for details)

(3) If the margin trading investor attends the meeting, he shall hold the business license, securities account certificate and power of attorney issued to the investor by the securities company related to the margin trading; if the investor is an individual, he shall also hold his ID card or other valid documents that can show his identity. If the investor is a unit, he shall also hold the business license of the unit, the ID card of the participant, and the power of attorney issued by the legal representative of the unit. (See Annex 1 for details)

2. Registration time: June 6, 2022, 9:00-11:30 a.m. and 1:00-4:00 p.m.

3. Place of registration: Board Office of Changchun Baike Biotechnology Co., Ltd. Shareholders may take a letter or

Registration by fax (fax or letter to be delivered or faxed to the company's directors before 16:00 on June 6, 2022

Council Office), and please indicate the contact number on the fax or letter.

6. other matters

1 to attend the meeting of shareholders and shareholders agent transportation and accommodation expenses.

2. Contact: Zhang Zhe Tel: 0431-81871518

It is hereby announced.

Board of Directors of Changchun Baike Biotechnology Co., Ltd.

17 May 2022

Annex 1: Power of Attorney

Power of Attorney

changchun hundred grams of biological science and technology joint stock company:

I hereby entrust Mr. (Ms.) to represent the unit (or myself) to attend the meeting on June 7, 2022

The company's 2021 annual general meeting of shareholders shall be held and the voting rights shall be exercised on its behalf.

Number of common shares held by the principal:

Number of preferred shares held by the principal:

Principal Shareholder Account No:

No. Non-Cumulative Voting Bill Name Agree Against Abstention

1 Report on the Work of the Board of Directors for 2021

2 Report on the Work of the Board of Supervisors in 2021

3 Financial Final Accounts Report 2021

4 2022 Financial Budget Report

5 Profit Distribution Plan for 2021

6 Full Text and Summary

On the renewal of the company's 2022 financial audit institutions and.

7

Bill on Internal Control Audit Institutions

8 Proposal on Amending the Articles of Association of the Company

Signature (Seal) of Principal: Signature of Trustee:

ID No. of Client: ID No. of Trustee:

Date of entrustment:

Remarks:

The principal shall choose one of the intentions of "agree", "oppose" or "abstain" in the power of attorney and mark "√". If the principal does not make specific instructions in this power of attorney, the trustee shall have the right to vote according to his own wishes.