Notice of the First Extraordinary Shareholders' Meeting of 2026

Notice of the First Extraordinary Shareholders' Meeting of 2026

Securities Code: 300653
Securities Abbreviation: Zhenghai Biotechnology
Announcement No.: 2026-030

Yantai Zhenghai Biotechnology Co., Ltd. hereby notifies the convening of the first extraordinary shareholders' meeting of 2026.

1. Basic Information of the Meeting

1. Shareholders' Meeting Session: First Extraordinary Shareholders' Meeting of 2026
2. Convener of the Meeting: Board of Directors
3. 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 Listing Rules, the Self-Regulatory Guidelines No. 2 for Listed Companies on the Shenzhen Stock Exchange, and the Articles of Association.
4. Meeting Time:
   • (1) On-site Meeting Time: June 25, 2026, 14:30
   • (2) Online Voting Time: Specific times for online voting through the Shenzhen Stock Exchange system are June 25, 2026, 9:15-9:25, 9:30-11:30, 13:00-15:00; voting through the Shenzhen Stock Exchange Internet voting system can be done at any time from 9:15 to 15:00 on June 25, 2026.
5. Method of Holding the Meeting: Combination of on-site voting and online voting.
6. Equity Registration Date: June 18, 2026
7. Attendees:
   • (1) All shareholders registered with China Securities Depository and Clearing Corporation Limited Shenzhen Branch as of the close of trading on June 18, 2026, are entitled to attend the meeting and may appoint a proxy to attend and vote on their behalf. The proxy does not need to be a shareholder of the company.
   • (2) Company directors and senior management.
   • (3) The appointed witnessing lawyer.
8. Meeting Location: Conference Room, Yantai Zhenghai Biotechnology Co., Ltd., No. 7 Nanjing Street, Yantai Economic and Technological Development Zone.

2. Matters for Review at the Meeting

1. Proposal Coding Table for the Shareholders' Meeting