Notice of 2025 Annual Shareholders Meeting of Chengdu High-tech Development Co., Ltd.

The Company will hold the 2025 Annual General Meeting at 14:00 on 12 June 2026. Meeting agenda: 1. 2025 work report of the board of directors 2. 2025 annual report and its summary 3. 2025 profit distribution plan 4. Reappointment of 2026 financial and internal control audit firm 5. By-election of non-independent directors 6. Amendments to the Company's articles of association 7. Formulation of the remuneration management system for directors and senior management 8. 2026 remuneration plan for directors 9. Purchase of liability insurance for directors and senior management 10. Authorization to the board to decide on 2026 interim profit distribution plan The detailed profit distribution plan is as follows: 1) Cash dividend/10 shares (tax included): CNY1.00000000 2) Bonus issue from profit (share/10 shares): none 3) Bonus issue from capital reserve (share/10 shares): none Meeting attendees: 1.A-share holders registered at CSDC Shenzhen after the close of trading on 05 June 2026 are entitled to vote. Original notarized power of attorney for voting is required. 2. Directors of the board, supervisors of the supervisory committee, senior executives and appointed lawyers are entitled to attend the meeting. Registration period: from 10 June 2026 to 11 June 2026 The Company's shareholder may choose to vote online via the trading system of Shenzhen Stock Exchange or via the website of http://wltp.cninfo.com.cn. Part I Voting via the trading system Voting date: 12 June 2026 Voting code:360628 Voting abbreviation:Hi-tech Development voting Voting process: 1. To input the "buy" instruction to begin voting 2.To input the serial number of the annual general meeting proposals under the item of "subscription price" "1 share" for voting for, "2 shares" for voting against and "3 shares" for "abstention". Part II Voting via the internet shareholders may choose the CA (certification authority) or service password for identity verification. As to the service password, shareholders may apply for a password on the website http://www.szse.cn or http://wltp.cninfo.com.cn. Voting period: from 12 June 2026 to 12 June 2026.

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