Notice of the 2026 Third Extraordinary General Meeting of Shareholders

Stock Code: 300261 Stock Abbreviation: Yaben Chemical Announcement No.: 2026-061

Yaben Chemical Co., Ltd.

Notice of the 2026 Third Extraordinary General Meeting of Shareholders

The Company and all members of the Board of Directors guarantee the truthfulness, accuracy, and completeness of the information disclosed, and that there are no false records, misleading statements, or material omissions.

As decided by the Fourteenth (Extraordinary) Meeting of the Sixth Board of Directors of Yaben Chemical Co., Ltd. (hereinafter referred to as the "Company"), the Company plans to convene the 2026 Third Extraordinary General Meeting of Shareholders on August 27, 2026. The relevant matters are hereby notified as follows:

I. Basic Information of the Meeting

1. Session of the Shareholders' Meeting: 2026 Third Extraordinary General Meeting of Shareholders

2. Convener of the Shareholders' Meeting: The Company's Board of Directors

3. Legality and Compliance of the Meeting: The convening and holding of this meeting comply with the relevant provisions of the "Company Law of the People's Republic of China," the "Shenzhen Stock Exchange GEM Stock Listing Rules," the "Shenzhen Stock Exchange Listed Company Self-Regulatory Guidelines No. 2—Normative Operation of GEM Listed Companies," and other laws, administrative regulations, departmental rules, normative documents, and the "Articles of Association" of the Company.

4. Date and Time of the Meeting:

On-site Meeting Time: 14:30 on August 27, 2026 (Thursday)

Online Voting Time: August 27, 2026

Online voting through the Shenzhen Stock Exchange trading system will be conducted from 9:15-9:25, 9:30-11:30, and 13:00-15:00 on August 27, 2026.

Online voting through the Shenzhen Stock Exchange internet voting system will be available at any time from 9:15 AM to 3:00 PM on August 27, 2026.

1. Method of Convening the Meeting: This meeting will adopt a combination of on-site voting and online voting.

(1) On-site Voting: Shareholders attend the on-site meeting in person or entrust others to attend through a power of attorney.

(2) Online Voting: The Company will provide an online voting platform through the Shenzhen Stock Exchange trading system and internet voting system (http://wltp.cninfo.com.cn) for shareholders to exercise their voting rights within the online voting period.

1. Equity Registration Date of the Meeting: August 24, 2026 (Monday).

2. Attendees:

(1) All ordinary shareholders of the Company whose names are registered with the China Securities Depository and Clearing Corporation Limited Shenzhen Branch as of the closing of trading on August 24, 2026. All shareholders of the Company are entitled to attend the shareholders' meeting and may, in writing, authorize an agent to attend the meeting and vote. The shareholder's agent need not be a shareholder of the Company.

(2) Directors and senior management of the Company.

(3) Lawyers appointed by the Company to witness the meeting.

(4) Other personnel required to attend the shareholders' meeting by relevant laws and regulations.

1. Meeting Location: Conference Room 22, 22nd Floor, Block A, Liangyuan Building, Lane 118, Zhongjiang Road, Putuo District, Shanghai.

II. Meeting Proposals

Table 1: Proposals and Codes for this Shareholders' Meeting