Beijing Sinohytec Co.Ltd(688339) : notice on convening the second extraordinary general meeting of shareholders in 2022

Securities code: Beijing Sinohytec Co.Ltd(688339) securities abbreviation: Beijing Sinohytec Co.Ltd(688339) Announcement No.: 2022018 Beijing Sinohytec Co.Ltd(688339)

Notice on convening the second 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: March 24, 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 second 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 March 24, 2022

Venue: online voting system, starting and ending date and voting time of block 7 (V), building C, building B-6, Beijing Centergate Technologies (Holding) Co.Ltd(000931) Dongsheng science and Technology Park, No. 66, xixiaokou Road, Haidian District, Beijing.

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

Voting time: from February 24, 2023

To March 24, 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) involving the public solicitation of shareholders’ voting rights. 2、 Matters 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 estimation of daily connected transaction quota in 2022 √

2. Proposal on re employment of accounting firm √

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 31st meeting of the second board of directors of the company, and the announcement has been published on the website of Shanghai Stock Exchange (www.sse. Com. CN.) on March 9, 2022 To be disclosed. Before the second extraordinary general meeting of shareholders in 2022, the company will be listed on the website of Shanghai Stock Exchange (www.sse. Com. CN.) Publish the materials of the second extraordinary general meeting of shareholders in Beijing Sinohytec Co.Ltd(688339) 2022. 2. Special resolution: none. 3. Proposals on separate vote counting for small and medium-sized investors: 1. 24. Proposals involving avoidance of voting by related shareholders: proposal 1

Names of related shareholders who should avoid voting: Zhang Guoqiang, song Haiying, Zhang he5. Proposals involving preferred shareholders’ participation in voting: III. matters needing attention in the voting of 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 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 Beijing Sinohytec Co.Ltd(688339) Beijing Sinohytec Co.Ltd(688339) 2022 / 3 / 17

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

1. If a natural person shareholder attends in person, he / she shall present the original of his / her ID card and stock account card; If a natural person shareholder entrusts an agent to attend the meeting, it shall show the original of the trustor’s stock account card and the copy of the ID card, the original of the power of attorney and the original of the trustee’s ID card.

2. If the legal representative of a legal person shareholder attends the meeting in person, he / she shall present the original of his / her ID card, the original of the identity certificate of the legal representative, the copy of the duplicate of the business license of the legal person, and affix the official seal and the original of the stock account card; The original of the legal person’s certificate of authorization and the copy of the legal representative’s certificate of authorization to attend the meeting shall be affixed with the official seal of the shareholder and the copy of the legal representative’s certificate of authorization.

3. Shareholders can register by letter according to the above requirements. The arrival date of the letter shall not be later than 16:00 on March 21, 2022. The letter shall indicate the contact person, contact telephone number and the words “general meeting of shareholders”. Shareholders registered by letter shall bring the above certificates when attending the on-site meeting.

4. The company does not accept telephone registration.

6、 Other matters

(I) meeting contact information:

Contact address: room c701, 7th floor, building C, building B-6, Beijing Centergate Technologies (Holding) Co.Ltd(000931) Dongsheng Science Park, No. 66, xixiaokou Road, Haidian District, Beijing

Postal Code: 100192

Meeting contact: Bao Xingzhu

Tel: 86-1062927176

(II) the shareholders or agents attending the meeting shall bear their own transportation and accommodation expenses; Shareholders attending the meeting shall arrive at the meeting site half an hour in advance to sign in.

(III) shareholders or shareholders’ agents attending the on-site meeting shall take effective protective measures and cooperate with the requirements of the venue to accept body temperature detection and other related epidemic prevention work.

(19-Ⅳ) please come to the scene to prevent and control the symptoms of respiratory tract pneumonia and ensure that there are no symptoms of respiratory tract discomfort. Wear masks and other protective equipment on the day of participation, and do a good job in personal protection;

On the day of the meeting, the company will verify and register the temperature and itinerary of participants in accordance with the requirements of Beijing epidemic prevention and control. Participants from other places in Beijing must provide nucleic acid test reports within 48 hours. Please understand and cooperate.

Special note: please pay full attention to the update and change of Beijing epidemic prevention and control policy. At the same time, the company recommends that shareholders vote at this shareholders’ meeting through online voting.

It is hereby announced.

Beijing Sinohytec Co.Ltd(688339) board of directors March 9, 2022 Annex 1: power of attorney

Annex 1: power of attorney

Power of attorney

Beijing Sinohytec Co.Ltd(688339) :

I hereby entrust Mr. (Ms.) to attend the second extraordinary general meeting of shareholders of your company in 2022 held on March 24, 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 estimation of daily connected transaction quota in 2022

2. Proposal on re employment of accounting firm

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 trustee shall have the right to vote according to one of “consent” and “waiver” in the power of attorney.

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