Notice of the Second Extraordinary General Meeting of Shareholders in 2026

The Company will hold the 2nd Extraordinary General Meeting of 2026 at 14:00 on 15 June 2026. Meeting agenda: 1. Launching the factoring business for accounts receivable by wholly-owned subsidiaries Meeting attendees: 1. A-share holders registered at CSDC Shenzhen after the close of trading on 08 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 09 June 2026 to 09 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: 15 June 2026 Voting code:362542 Voting abbreviation:Zhonghua Geotechnical voting Voting process: 1. To input the "buy" instruction to begin voting 2. To input the serial number of the Investors 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 15 June 2026 to 15 June 2026.

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