Notice of the 2025 Annual Shareholders' Meeting

Basic Information of the Meeting

1. Shareholders' Meeting Session: 2025 Annual Shareholders' Meeting
2. Convener: The Board of Directors of the Company, which approved the proposal to convene the 2025 Annual Shareholders' Meeting at the 21st meeting of the third Board of Directors.
3. Legality and Compliance of the Meeting: The convening of this shareholders' meeting complies with relevant laws, regulations, departmental rules, normative documents, the business rules of the Shenzhen Stock Exchange, and the Company’s Articles of Association.
4. Date and Time of the Meeting:
   (1) On-site meeting time: May 8, 2026 (Friday) at 14:30
   (2) Online voting time: The time for online voting through the Shenzhen Stock Exchange trading system is: May 8, 2026, from 9:15-9:25, 9:30-11:30, and 13:00-15:00; the specific time for voting through the Shenzhen Stock Exchange internet voting system is any time from 9:15-15:00 on May 8, 2026.
5. Method of Meeting: The meeting will be conducted through a combination of on-site voting and online voting.
   (1) On-site voting: Shareholders may attend the meeting in person or authorize others to attend via a proxy letter.
   (2) Online voting: The shareholders will be provided with an online voting platform through the Shenzhen Stock Exchange trading system and internet voting system (http://wltp.cninfo.com.cn). Shareholders registered by the equity registration date can exercise their voting rights during the online voting period. Shareholders may only choose one voting method between on-site and online voting. If the same voting right is voted multiple times, the first valid vote will prevail. For different proposals on the same matter, shareholders or their agents may not vote in favor of multiple proposals simultaneously. Voting in favor of different proposals will be considered as waiving voting rights. The Company and all members of the Board of Directors guarantee that the content of the information disclosure is true, accurate, and complete, without false records, misleading statements, or significant omissions.
6. Equity Registration Date for the Meeting: April 28, 2026
7. Attendees of the Meeting:
   (1) All shareholders registered with the China Securities Depository and Clearing Corporation Shenzhen Branch by 15:00 on April 28, 2026, have the right to attend the shareholders' meeting and vote. Shareholders unable to attend in person may authorize an agent to attend and vote on their behalf; the agent does not need to be a shareholder of the Company.
   (2) All directors and senior management of the Company.
   (3) The appointed witnessing lawyer of the Company.
   (4) Other personnel required to attend the shareholders' meeting according to relevant regulations.
8. Venue for the On-site Meeting: Baiyu Hall, 3rd Floor, Nanshan International Conference Center, Longkou City, Yantai, Shandong Province.
9. Shareholders holding more than 1% of the issued voting shares may propose temporary proposals at least 10 days before the meeting. The Company will issue a supplementary notice within two days of receiving the proposal, disclosing the names or titles of the proposing shareholders, their shareholding ratios, and the specific content of the new proposals.