Announcement on Major Litigation and Arbitration Situations

The company and all members of the board guarantee that the information disclosed is true, accurate, and complete, with no false records, misleading statements, or significant omissions.

Special Reminder:

1. Current stage of the case: Accepted.
2. Status of the parties involved: The company's holding subsidiary, Tianhai Port Engineering Co., Ltd., is the plaintiff.
3. Amount involved: ¥17,453,416.69 (excluding amounts not yet clarified).
4. Impact on the company's profits: Since the case has not yet been heard, the judgment result is uncertain, and thus the impact on the company's current or future profits is uncertain. The company will actively respond to the litigation and arbitration cases, fully safeguarding the legal interests of the listed company and all shareholders, and will closely monitor subsequent developments, fulfilling its information disclosure obligations in a timely manner. Investors are advised to pay attention to investment risks.

Basic Situation of the Litigation

Tianhai Port Engineering Co., Ltd. (hereinafter referred to as "the company") has recently received the "Notice of Case Acceptance" and other case materials from the Tianjin Maritime Court. The case involves a construction contract dispute between Tianhai Port Engineering Co., Ltd. and China Communications Tianjin Navigation Bureau Co., Ltd., China Communications Dredging (Group) Co., Ltd., and Tianjin Lingang Industrial Investment Holding Co., Ltd. The case has been formally accepted, with case number (2026) Jin 72 Min Chu 914.

(1) Parties Involved in the Litigation

1. Plaintiff: Tianhai Port Engineering Co., Ltd.; registered address: Room 1009, Yishang Creative Technology Building, No. 22 Jia'an South Road, Haiwang Community, Xinan Street, Bao'an District, Shenzhen; legal representative: Li Qiyuan.
2. Defendant 1: China Communications Tianjin Navigation Bureau Co., Ltd.; registered address: No. 41 Taierzhuang Road, Hexi District, Tianjin; legal representative: You Guangjun.
3. Defendant 2: China Communications Dredging (Group) Co., Ltd.; registered address: Room 201, No. 1296 Xuchang Road, Yangpu District, Shanghai; legal representative: Liu Yongman.
4. Defendant 3: Tianjin Lingang Industrial Investment Holding Co., Ltd.; registered address: No. 2669 Haibin Avenue, Binhai New Area, Tianjin; legal representative: Zhang Zhendong.

(2) Court Information

1. Name: Tianjin Maritime Court; location: No. 75 Second Avenue, Tianjin Economic and Technological Development Zone.