688575: Notice on convening the first extraordinary general meeting of shareholders in 2022

Securities code: 688575 securities abbreviation: Shenzhen Yhlo Biotech Co.Ltd(688575) Announcement No.: 2022-005 Shenzhen Yhlo Biotech Co.Ltd(688575)

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 liabilities for the authenticity, accuracy and completeness of the contents according to law.

Important content tips:

Date of shareholders’ meeting: February 7, 2022

The online voting system adopted by 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 at the 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, February 7, 2022

Venue: online voting system, start and end date and voting time in conference room (V), building 1, biotechnology plant, Baolong 2nd Road, Baolong street, Longgang District, Shenzhen, Guangdong Province.

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

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

To February 7, 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 implementation rules for online voting at the general meeting of shareholders of listed companies of Shanghai Stock Exchange and other relevant provisions. (VII) involving public solicitation of shareholders’ voting rights

The shareholders’ meeting involves the public solicitation of shareholders’ voting rights. For details, see the company’s website at Shanghai Stock Exchange (www.sse. Com. CN.) The Shenzhen Yhlo Biotech Co.Ltd(688575) announcement on public solicitation of entrusted voting rights by independent directors (Announcement No.: 2022-006) disclosed. 2、 Matters considered at the meeting

Types of shareholders deliberating proposals and voting at the general meeting of shareholders

Type of voting shareholder

Serial number proposal name A-share shareholder

Non cumulative voting motion

1. About the company’s restricted stock incentive plan for 2022 (D √)

Proposal and its abstract

2. Implementation of the company’s restricted stock incentive plan in 2022 √

Proposal on assessment management measures

3. About requesting the general meeting of shareholders to authorize the board of directors to handle the company’s 2022 √

Proposal on matters related to the restricted stock incentive plan in

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

The proposal submitted to the general meeting of shareholders for deliberation has been deliberated and adopted at the third meeting of the third board of directors and the third meeting of the third board of supervisors of the company. See the website of Shanghai Stock Exchange (www.sse. Com. CN.) on January 15, 2022 for relevant contents And relevant announcements and documents disclosed by China Securities News, Shanghai Securities News, securities times and Securities Daily. Before the first extraordinary general meeting of shareholders in 2022, the company will publish the information on the website of Shanghai Stock Exchange (www.sse. Com. CN.) Publish the materials of the first extraordinary general meeting of shareholders in 2022. 2. Proposals for special resolutions: 1, 2, 33. Proposals for separate vote counting for small and medium-sized investors: 1, 2, 34. Proposals involving avoidance of voting by related shareholders: 1, 2, 3

Name of affiliated shareholders who should avoid voting: shareholders who are incentive objects or have an affiliated relationship with incentive objects. 5. Proposals involving the voting of preferred shareholders: No. III. voting precautions for the general meeting of shareholders (I) shareholders of the company exercise their voting rights through the online voting system of the general meeting of shareholders of Shanghai Stock Exchange, You can either log in to the voting platform of the trading system (through the trading terminal of the securities company designated for trading) to vote, or 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 Internet voting platform website for specific operations. (II) if the same voting right is voted repeatedly through the 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 class stock code stock abbreviation equity registration date

A shares 688575 Shenzhen Yhlo Biotech Co.Ltd(688575) 2022 / 1 / 25

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

5、 Meeting registration method (I) registration time

January 26-27, 2022 (09:00-11:30 a.m., 14:00-17:00 p.m.)

(II) place of registration: Board Secretary office, building 1, biotechnology plant, Baolong 2nd Road, Baolong street, Longgang District, Shenzhen (III) registration method 1. If a natural person shareholder or an authorized agent of a natural person shareholder intends to attend the meeting, the following materials shall be presented: (1) natural person shareholder: his personal identity card or other valid certificates that can indicate his identity 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 and original stock account card of the client (if any); 2. The legal representative / executive partner or its entrusted agent shall attend the meeting.

If the enterprise shareholder or the authorized agent of the enterprise shareholder intends to attend the meeting, the following materials shall be presented: (1) the legal representative / executive partner of the enterprise shareholder: the original of his valid ID card, the business license of the enterprise shareholder (photocopy with official seal), the original of the identity certificate of the legal representative / executive partner, the original of the stock account card (if any) and other shareholding certificates; (2) Authorized agent of enterprise shareholder: original valid ID card of the agent, business license of enterprise shareholder (copy with official seal), original identity certificate of legal representative / executive partner, power of attorney (signature and official seal of legal representative / executive partner), original stock account card (if any) and other shareholding certificates. 3. If the margin trading investors attend the on-site meeting, they shall hold the securities account certificate issued by the securities company related to margin trading and the original power of attorney issued to the investors; If the investor is an individual, it shall also hold its own ID card or other original valid documents that can indicate its identity; If the investor is an institution, it shall also hold the business license of the unit (copy and official seal), the original valid ID card of the participants and the original power of attorney. 4. A shareholder shall entrust an agent in writing, which shall be signed by the principal or by the agent entrusted in writing; If the client is an enterprise, it shall be affixed with the official seal of the enterprise and signed by its legal representative / executive partner. (see Annex 1 for the format of power of attorney) 5. Shareholders of the company can register by mail according to the above requirements (email address: [email protected]. ), the arrival date of the email should be no later than 17:00 on January 27, 2022. The email should indicate the shareholder’s contact person, contact number and the words “general meeting of shareholders”, and please call the company’s secretary office to confirm the registration status. Shareholders registered by E-mail shall bring the above certificates when attending the on-site meeting. The company does not accept telephone registration. 6. If the shareholders or their entrusted agents who intend to attend the meeting directly attend the meeting without going through the registration formalities in advance in accordance with this article, they shall go through the registration formalities at the reception desk at the meeting site, and provide the original or copy of the participation documents specified in this article for the qualification examination. 6、 Other matters (I) the duration of the shareholders\’ meeting is half a day, and the shareholders or agents attending the meeting shall bear their own transportation, board and lodging expenses. (II) shareholders attending the meeting shall arrive at the meeting site half an hour in advance to sign in, and please bring relevant certificates (see “v. meeting registration method (III) registration method” for specific requirements) for verification and admission. (III) contact information of the meeting contact address: Secretary office, building 1, biotechnology plant area Shenzhen Yhlo Biotech Co.Ltd(688575) Baolong Second Road, Baolong street, Longgang District, Shenzhen Tel.: 0755-84821649 contact email: [email protected]. Contact: Zhou Jianghai, Shao Yanan

It is hereby announced.

Shenzhen Yhlo Biotech Co.Ltd(688575) board of directors January 15, 2022 Annex 1: power of attorney

Annex 1: power of attorney

Power of attorney

Shenzhen Yhlo Biotech Co.Ltd(688575) :

I hereby entrust Mr. (Ms.) to attend the first extraordinary general meeting of your company in 2022 held on February 7, 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. About the company’s restricted stock incentive in 2022

Proposal on the plan (Draft) and its summary

2. About the company’s restricted stock incentive in 2022

Proposal on the implementation of assessment management measures

3. Request to the general meeting of shareholders to authorize the board of directors to do

Restricted stock incentive plan of management company in 2022

Proposal on planning related matters

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

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

Entrusted date: mm / DD / yy

remarks:

The trustor shall select one of the “agree”, “oppose” or “abstain” intentions in the power of attorney and tick “√”. If the trustor does not give specific instructions in the power of attorney, the trustee has the right to vote according to its own wishes.

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