Notice of the third extraordinary general meeting of shareholders in 2029

Securities code: Guangdong Dowstone Technology Co.Ltd(300409) securities abbreviation: Guangdong Dowstone Technology Co.Ltd(300409) Announcement No.: 2022033 Guangdong Dowstone Technology Co.Ltd(300409)

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

The company and all members of the board of directors guarantee that the information disclosed is true, accurate and complete without false records, misleading statements or major omissions.

In accordance with the relevant provisions of the company law and the articles of association, the company decided to hold the third extraordinary general meeting of shareholders in 2022 on Tuesday, April 26, 2022 after deliberation and approval of the 6th meeting of the 5th board of directors of Guangdong Dowstone Technology Co.Ltd(300409) (hereinafter referred to as “the company”), and the relevant matters of the meeting are hereby notified as follows:

1、 Basic information of the general meeting of shareholders

1. Session of the general meeting of shareholders: the third extraordinary general meeting of shareholders in 2022

2. Convener: Board of directors

3. Legality and compliance of the meeting: the proposal on convening the third extraordinary general meeting of shareholders in 2022 was deliberated and adopted at the 6th meeting of the Fifth Board of directors in 2022. The convening of this general meeting of shareholders was in line with relevant laws and regulations and the articles of association.

4. Date and time of the meeting:

(1) On site meeting time: 14:00, Tuesday, April 26, 2022

(2) Online voting time:

The specific time of online voting through the trading system of Shenzhen stock exchange is: 9:15-9:25, 9:30-11:30 and 13:00-15:00 on April 26, 2022; The specific time of voting through the Internet voting system of Shenzhen stock exchange is any time from 9:15 to 15:00 on April 26, 2022.

5. Convening method of the meeting: the shareholders’ meeting is held by combining on-site voting and online voting.

(1) On site voting: shareholders attend the on-site meeting in person or entrust others to attend the on-site meeting through a power of attorney (see Annex III for details).

(2) Online voting: the company will provide an online voting platform to all shareholders through the trading system and Internet voting system of Shenzhen Stock Exchange. Shareholders holding the issued voting shares of the company registered on the equity registration date can exercise their voting rights through the above system during the online voting time.

(3) The shareholders of the company can only choose one of on-site voting and online voting. If there is repeated voting for the same voting right, the voting result shall be subject to the first valid voting result.

6. Equity registration date: April 21, 2022 (Thursday)

7. Attendees:

(1) As of the closing of Shenzhen Stock Exchange on the afternoon of April 21, 2022, all shareholders who hold the issued voting shares of the company registered in Shenzhen Branch of China Securities Depository and Clearing Co., Ltd. have the right to attend the shareholders’ meeting, and can entrust an agent to attend and vote in writing. The shareholder agent does not have to be a shareholder of the company. (2) Directors, supervisors and senior managers of the company

(3) Lawyers, sponsor representatives and other relevant personnel employed by the company

8. Venue of the on-site meeting: conference room of Foshan Dow Technology Co., Ltd., building 1, No. 1, Yishui Third Road, Nanzhuang Town, Chancheng District, Foshan City, Guangdong Province.

2、 Matters considered at the meeting

Proposal code table of this shareholders’ meeting:

remarks

Proposal code proposal name the ticked column can vote

Non cumulative voting proposal

1.00 proposal on signing the investment contract of carbon material project between the subsidiary Griffin and the Management Committee of Lanzhou New Area √

The above proposals have been deliberated and adopted at the 6th meeting of the 5th board of directors in 2022 and the 5th meeting of the 5th board of supervisors in 2022. For details of the proposal, please refer to the company’s website (www.cn. Info. Com. CN.) on the same day Announcement on signing the investment contract of carbon material project between the subsidiary Griffin and the Management Committee of Lanzhou New Area. This proposal requires separate vote counting for small and medium-sized investors. Small and medium-sized investors refer to shareholders other than directors, supervisors, senior managers and shareholders who individually or jointly hold more than 5% of the shares of the company.

3、 Meeting registration method

1. Registration time: 9:00-12:00 a.m. and 14:00-17:00 p.m. on April 25, 2022.

2. Registration method

(1) On site registration, registration by letter, e-mail or fax, and telephone registration is not accepted.

(2) Non local shareholders can register by letter, e-mail or fax (the registration time shall be subject to the time of receiving the fax or letter). For fax registration, please send a fax and confirm by telephone.

3. Registration procedures

(1) Registration of corporate shareholders. The legal representative of a legal person shareholder must hold a shareholder account card, a copy of the business license stamped with the company’s official seal, a certificate of legal representative and his own ID card to go through the registration procedures; If an agent is entrusted to attend, it shall also hold the power of attorney of the legal person (see Annex III) and the ID card of the attendee.

(2) Registration of natural person shareholders. Natural person shareholders shall go through the registration procedures with their own ID card, shareholding certificate and securities account card; If an agent is entrusted to attend, he must also hold the ID card of the attendee and the power of attorney.

4. Registration place and contact information

Contact: Liu Xiaolan

Tel.: 075782260396 (Office of the board of directors)

Contact location: block 1, No. 1, Yishui Third Road, Nanzhuang Town, Chancheng District, Foshan City, Guangdong Province. Please indicate the words “general meeting of shareholders” in the letter, postcode 528000.

mail box: [email protected].

Designated Fax: 075782106833 (fax please indicate: Office of the board of directors)

5. Other matters: the board, lodging and transportation expenses of the participants in the on-site meeting of the general meeting of shareholders shall be borne by themselves.

4、 Specific operation process of participating in online voting

At this shareholders’ meeting, shareholders can vote through the trading system of Shenzhen Stock Exchange and Internet voting system (website: http://wltp.cn.info.com.cn. )See Annex I for the specific operation process of online voting.

5、 Documents for future reference

Resolution of the 6th meeting of the 5th board of directors in 2022.

It is hereby notified.

Attachment: 1 Specific operation process of participating in online voting 2 Registration form of shareholders attending the third extraordinary general meeting of shareholders in 2022 3 Power of attorney of the third extraordinary general meeting of shareholders in 2022

Guangdong Dowstone Technology Co.Ltd(300409) board of directors April 10, 2022 Annex I:

Specific operation process of participating in online voting

At this shareholders’ meeting, the company will provide shareholders with an online voting platform. Shareholders can vote through the trading system and Internet voting system of Shenzhen Stock Exchange (website: http: / / wltp. CN. Info. Com. CN.) Vote. According to the detailed rules for the implementation of online voting at the general meeting of shareholders of listed companies of Shenzhen Stock Exchange, the specific operation process of online voting at the general meeting of shareholders is as follows:

I Procedures for online voting

1. Voting code: 350409

2. Voting abbreviation: Dow voting

3. Fill in the voting opinions.

For non cumulative voting proposals, fill in the voting opinions: agree, disagree and abstain.

II Procedures for voting through the trading system of Shenzhen Stock Exchange

1. Voting time: trading time on April 26, 2022, i.e. 9:15-9:25, 9:30-11:30 and 13:00-15:00. 2. Shareholders can log in to the trading client of the securities company and vote through the trading system.

III Procedures for voting through the Internet voting system of Shenzhen Stock Exchange

1. The Internet voting system will start voting from 9:15 to 15:00 on April 26, 2022 (the day of the on-site meeting).

2. For online voting through the Internet voting system, shareholders need to handle identity authentication in accordance with the provisions of the guidelines for online investor service identity authentication business of Shenzhen Stock Exchange (revised in 2016) and obtain the “Shenzhen stock exchange digital certificate” or “Shenzhen Stock Exchange investor service password”. The specific identity authentication process can log in to the Internet voting system http://wltp.cn.info.com.cn. Refer to the rule guidance column.

3. Shareholders can log in according to the service password or digital certificate obtained http://wltp.cn.info.com.cn. Vote through the Internet voting system of Shenzhen Stock Exchange within the specified time.

Annex II:

Guangdong Dowstone Technology Co.Ltd(300409)

Register of shareholders attending the third extraordinary general meeting of shareholders in 2022

Name of individual shareholder / name of corporate shareholder

Shareholder address

ID card code of individual shareholder / legal representative of legal person shareholder

Business license number table name

Number of shares held by shareholder account

The name of the person attending the meeting is entrusted or not

Name of agent ID card of agent

Contact number e-mail

Speech intention and key points

Signature of shareholder (seal of legal person shareholder)

specific date

note appended:

1. Please fill in your full name and address in block letters (which must be the same as those in the register of shareholders).

2. The completed and signed registration form of shareholders participating in the meeting should be delivered, mailed, e-mailed or faxed (Fax No.: 075782106833) to the office of the board of directors of the company (address: block 1, No. 1, Yishui Third Road, Nanzhuang Town, Chancheng District, Foshan City, Guangdong Province, postal code: 528000, please indicate the word sample of “general meeting” on the envelope) before 17:00 p.m. on Monday, April 25, 2022. Telephone registration is not accepted.

3. If a shareholder intends to speak at this shareholders’ meeting, please indicate your intention and key points in the “intention and key points of speech” column, and indicate the required time.

4. The newspaper clippings and copies of the above registration form of shareholders participating in the meeting or self-made in the above format are valid.

Annex III:

Guangdong Dowstone Technology Co.Ltd(300409)

Power of attorney of the third extraordinary general meeting of shareholders in 2022

I hereby entrust myself / my company to attend the third extraordinary general meeting of shareholders in Guangdong Dowstone Technology Co.Ltd(300409) 2022, vote on the proposals considered at the meeting according to the instructions of this power of attorney, and sign the relevant documents to be signed at the meeting on my behalf.

Remarks voting opinions

Checked

Proposal code proposal name

You may agree to abstain from voting

Non cumulative voting proposal

1.00 on the signing of carbon materials √ between Griffin, a subsidiary, and the Management Committee of Lanzhou New Area

Proposal on investment contract of material project

Voting instructions: (1) if you want to vote for consent, please fill in “√” in the corresponding place in the “consent” column; If you want to vote against, please fill in “√” in the corresponding place in the “against” column; If you want to abstain from voting, please fill in “√” in the corresponding place in the column of “abstaining”; If “√” is not marked under the three columns,

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