Stock code: 688169 Stock abbreviation: Roborock Announcement No.: 2025-025

Beijing Stone Century Technology Co., Ltd

Notice on the convening of the 2024 Annual Shareholders' Meeting

The board of directors and all directors of the company guarantee that there are no false records, misleading statements or material omissions in the content of the announcement, and assume legal responsibility for the authenticity, accuracy and completeness of its content in accordance with the law.

Important Content Notes:

Date of shareholders' meeting: April 25, 2025

The network voting system used in this shareholders' meeting: the network voting system of the shareholders' meeting of the Shanghai Stock Exchange

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1. Basic information on the convening of the meeting

(1) The type and session of the shareholders' meeting

2024 Annual Meeting of Shareholders

(2) Convener of the shareholders' meeting: the board of directors

(3) Voting method: The voting method adopted at this shareholders' meeting is a combination of on-site voting and online voting

(iv) The date, time and place of the on-site meeting

Date and time: April 25, 2025 at 14:30

Venue: Conference Room of Stone Science and Technology Building, Building 3, Yard 17, Anju Road, Changping District, Beijing

(5) The system, start and end dates and voting times of online voting.

Online voting system: the online voting system of the general meeting of shareholders of the Shanghai Stock Exchange

Online voting: April 25, 2025

Until April 25, 2025

Using the online voting system of the Shanghai Stock Exchange, the voting time of the voting platform through the trading system is the trading time of the day of the shareholders' meeting, that is, 9:15-9:25, 9:30-11:30, 13:00-15:00;

The voting time of the voting platform is 9:15-15:00 on the day of the shareholders' meeting.

(6) Voting procedures for margin trading, refinancing, agreed repurchase business accounts and Shanghai-Hong Kong Stock Connect investors

Accounts related to margin trading, refinancing, agreed repurchase business, and Shanghai-Hong Kong Stock Connect investors shall be subject to the Self-Regulatory Guidelines for Listed Companies on the Science and Technology Innovation Board of the Shanghai Stock Exchange No. 1 – Standardized Operation.

(7) Involving public solicitation of shareholders' voting rights

Not involved

2. Matters to be considered by the meeting

The shareholders' meeting deliberated on the proposal and the type of voting shareholder

Types of voting shareholders

Serial Number Name of the motion

Shareholders of A shares

Non-cumulative voting motions

1 √ on the < 2024 Annual Report on the Work of the Board of Directors>

Case》

2 √ on the > of the < 2024 Work Report of the Board of Supervisors

Case》

3 Proposal on the < Annual Report 2024> and its Summary √

Case》

4 "Proposal on < > of the 2024 Annual Financial Accounts Report" √

5 Proposal on the Remuneration of Directors √

6 "Proposal on the Remuneration of Supervisors" √

7 "On the 2024 Annual Profit Distribution Plan and Capital √."

Proposal on the plan to increase the share capital by accumulation》

8 "On Revising <公司章程>and Partially Implementing Governance Systems√

Proposal on the change of registration of science and industry》

9 "Proposal on the Addition of Independent Directors" √

10 "On the Use of Part of the Over-raised Funds, Surplus Funds and Own √

Proposal on the establishment of new investment projects with raised funds》

Note: The shareholders' meeting will also hear the 2024 annual report of the independent directors.

1. Explain the time and media of each proposal that has been disclosed

The above proposals have been held at the fourth meeting of the third board of directors of the company on April 2, 2025

The fourth meeting of the third board of supervisors deliberated and approved, and the specific content is detailed in the company's announcement on April 4, 2025

Relevant announcements disclosed on the website of the Shanghai Stock Exchange (www.sse.com.cn) and China Securities Journal, Shanghai Securities News, Securities Times and Securities Daily.

2. Special Resolutions: 8

3. Proposals for separate counting of votes for small and medium-sized investors: Proposals 5, 7, 8, 9, and 10

4. Proposals involving the recusal of related shareholders from voting: Proposals 5 and 6

Name of related shareholders who should abstain from voting: The directors, supervisors and relevant related parties who hold the company's shares recuse themselves from voting on proposals 5 and 6 respectively

5. Proposals involving the participation of preferred shareholders in voting: none

3. Precautions for voting at the shareholders' meeting

(1) Shareholders of the Company exercise their voting rights through the online voting system of the general meeting of shareholders of the Shanghai Stock Exchange,

You 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 on to the Internet voting platform (website: vote.sseinfo.com) to vote. first

If you log in to the Internet voting platform to vote, investors need to complete shareholder identity authentication. Here's how

Please refer to the description of the Internet voting platform website.

(2) Where the same voting right is voted repeatedly through on-site, the firm's online voting platform or other means,

The result of the first vote shall prevail.

(3) Shareholders can only submit all proposals after they have voted on them.

4. Attendees of the meeting

(1) Shareholders of the company registered in the Shanghai Branch of China Depository and Clearing Co., Ltd. have the right to attend the shareholders' meeting (see the table below for details) at the close of the afternoon of the share registration day, and may entrust a proxy in writing to attend the meeting and participate in voting. The nominee does not have to be a shareholder of the company.

Share Class Stock Code Stock Abbreviation Share Record Date

A-share 688169 Roborock 2025/4/17

(2) Directors, supervisors and senior management of the company.

(3) Lawyers hired by the company.

(iv) Other personnel.

5. Registration for the Conference

1. The legal person shareholder shall be attended by the legal representative or the agent entrusted by the legal representative. If the legal representative attends the meeting, he or she shall present his or her ID card and a valid certificate that can prove that he or she has the qualifications of the legal representative; If an agent is entrusted to attend the meeting, the agent shall present his or her ID card and a written power of attorney issued by the legal representative of the legal person shareholder unit in accordance with the law.

2. If a natural person shareholder attends the meeting in person, he or she shall present his or her ID card or other valid certificates or certificates that can show his or her identity, and the certificate of shareholding; If another person is entrusted to attend the meeting on his behalf, the agent shall present his or her valid identity document and the power of attorney of the shareholder.

3. Non-local shareholders can register by letter or fax, the letter or fax shall be subject to the time of arrival at the company, and the name of the shareholder, the shareholder's account, contact address, zip code, and contact telephone number shall be written on the letter or fax, and a copy of the supporting materials listed in paragraph 1 and 2 above shall be attached, and the letter shall indicate the words "shareholders' meeting", and the original shall be brought when attending the meeting, and the company shall not accept registration by telephone.

4. Time and place of registration

Registration time: April 23, 2025 (10:00-11:30 a.m., 14:00-16:30 p.m.)

Registration location: Stone Science and Technology Building, Building 3, Yard 17, Anju Road, Changping District, Beijing

Contact: Ms. Sun

Contact number/fax: 010-80701697

E-mail: IR@roborock.com

6. Other matters

1. Shareholders or agents attending the meeting shall pay for their own transportation, accommodation and expenses.

2. Shareholders attending the meeting should arrive at the meeting site half an hour in advance for sign-in.

The announcement is hereby made.

Board of Directors of Beijing Stone Century Technology Co., Ltd

April 4, 2025

Attachment 1: Power of Attorney

Attachment 1: Power of Attorney

Power of Attorney

Beijing Stone Century Technology Co., Ltd.:

I hereby entrust Mr. (Ms.) to attend the call on April 25, 2025 on behalf of my unit (or myself).

Hold your company's 2024 Annual Shareholders' Meeting and exercise voting rights on your behalf.

Number of ordinary shares held by the delegator:

Number of preferred shares held by the client:

Principal Shareholder Account Number:

Serial Number Name of Non-cumulative Vote Proposal Agree Oppose Abstention

1 Report on the Work of the Board of Directors for < 2024 >

The Motions》

2 Report on the Work of the Board of Supervisors in < 2024 >

The Motions》

3 About < Annual Report 2024> and its summary

The Motions》

4 "Report on the < 2024 Annual Financial Accounts>

Motion》

5 "Proposal on the Remuneration of Directors"

6 Proposal on the Remuneration of Supervisors

7 "About the 2024 Annual Profit Distribution Plan and

Proposal on the plan to convert capital reserve into share capital》

8 "On Revision <公司章程>and Partial Governance

Proposal on the system and handling the registration of industrial and commercial changes》

9 "Proposal on the Addition of Independent Directors"

10 "On the Use of Part of the Over-raised Funds and Surplus Funds

Jinhe's own funds are newly invested in the raised funds

Purpose Bill》

Signature (seal) of the principal: Signature of the trustee:

Trustee's ID Number: Trustee's ID Number:

Date of commission: YYYYYYYYYYYYYYYYYYYYYY

Remark:

The Trustee shall select one of the intentions of "Agree", "Oppose" or "Abstain" in the Power of Attorney and mark "√", and the Trustee shall have the right to vote according to his own wishes if the Principal does not make specific instructions in this Power of Attorney.