Change of Chairman and General Manager of CCCC Shanghai Waterway Bureau Co., Ltd.

According to public information, the chairman and general manager of CCCC Shanghai Waterway Bureau Co., Ltd. have changed. The relevant information is briefly excerpted as follows:

1. Basic Information

of Personnel Change (I) Basic Information of Former Employees Basic Information

of Former Employees (II) Reasons and Basis

for Personnel Change According to the relevant provisions of the Company Law of the People's Republic of China and the Articles of Association of CCCC Shanghai Dredging Co., Ltd., At the first meeting of the seventh session of the Board of Directors of CCCC Shanghai Dredging Co., Ltd., the following resolutions were unanimously passed: it was agreed to dismiss Wang Minqiu as the general manager of CCCC Shanghai Dredging Co., Ltd.; it was agreed to appoint Ding Jian as the general manager of CCCC Shanghai Dredging Co., Ltd.

According to the relevant provisions of the Articles of Association of CCCC Shanghai Dredging Co., Ltd., the directors of the Company shall be appointed by the shareholders. According to the Notice of Appointment and Removal of China Communications Construction Co., Ltd. (No.28, 2025), it is decided to appoint Wang Minqiu as the chairman (legal representative) of China Communications Shanghai Waterway Bureau Co., Ltd. Ding Jian is the director of CCCC Shanghai Waterway Bureau Co., Ltd.

In accordance with the Notice on Appointment and Removal of China Communications Construction Company Limited (ZJCGRGRMF [2025] No.33), it was decided to appoint Peng Qing as an external director of CCCC Shanghai Dredging Co., Ltd. The term of employment is three years (from April 2025 to March 2028). Basic information

of the

newly appointed personnel The basic information

of the new legal representative, directors and senior management of CCCC Shanghai Dredging Co., Ltd. is as follows:

Mr. Wang Minqiu, male, Han nationality, born in November 1968. Member of the Communist Party of China, senior engineer, bachelor degree, graduated from the Department of Shipping and Ocean Engineering, Hohai University in August 1991, majoring in port and waterway engineering. He started his career in August 1991 and has successively served as surveyor of the survey team, rake constructor, deputy chief of the Engineering Technology Section, director of the Production Department of Shanghai Kyushu Dredging Engineering Company, deputy manager of the Engineering Department of Shanghai Dredging Bureau, deputy general manager and chief engineer, member of the Party Committee of China Harbour Dredging Co., Ltd., manager of the Engineering Department, manager of the Overseas Department and general manager of the Overseas Business Department of Shanghai Dredging Bureau. Assistant to General Manager and General Manager of Overseas Business Department of Shanghai Dredging Bureau, Executive Director, General Manager and Secretary of the Party Committee of CCCC Shanghai Dredging Co., Ltd., Deputy General Manager and Member of the Standing Committee of the Party Committee of Shanghai Dredging Bureau, General Manager and Deputy Secretary of the Party Committee of International Business Department of CCCC Dredging (Group) Co., Ltd., Member of the Temporary General Party Branch and Secretary of the Temporary General Party Branch of International Business Department. He is currently the Chairman (Legal Representative) and Deputy Secretary of the Party Committee of CCCC Shanghai Dredging Co., Ltd. Mr.

Ding Jian, male, Han nationality, born in December 1979, a member of the Communist Party of China, holds a bachelor's degree as a senior engineer. He graduated from Zhejiang University in July 1999, majoring in port and waterway regulation. He joined the work in July 1999. He has successively served as the site supervisor of Shanghai Waterway Survey and Design Institute, the engineer of the first design office, the engineer of the key laboratory, the manager of the design project and the Ministry of Commerce of Shanghai Waterway Survey and Design Institute, the deputy general manager of the domestic market department of Shanghai Waterway Bureau, the deputy secretary of the Party Committee, the executive director, the deputy general manager (presiding over the work) and the general manager of Shanghai Dahua Surveying and Mapping Company. Deputy Secretary of the Party Committee, General Manager, Director of Shanghai Communications Construction General Contracting Company, General Manager of Dongfang Dredging Branch of Shanghai Dredging Bureau, and currently General Manager and Party Committee Member of CCCC Shanghai Dredging Bureau Co., Ltd. Mr.

Peng Qing, male, Han nationality, born in June 1966, is a member of the Communist Party of China with a bachelor's degree. Graduated from Jinan University, majoring in accounting. He started his career in July 1999 and has successively served as accountant, assistant accountant, deputy director, director, director of audit department, director of finance department, member of the party committee, chief accountant, director, deputy general manager of regional headquarters of China Communications Construction Guangdong-Hong Kong-Macao Greater Bay Area, member of the party working committee and deputy general manager, and deputy general manager of Guangzhou Branch. Chief Accountant of CCCC Bay Area, Member of the Standing Committee of the Party Committee, Chief Accountant, General Counsel, Chief Compliance Officer, Member of the Standing Committee of the Party Committee and Chief Accountant of CCCC Guangzhou Dredging Co., Ltd. He is currently a full-time external director of CCCC Shanghai Dredging Co., Ltd. Decision-making procedures required for

personnel changes and their performance

The changes of the chairman, general manager and more than one-third of the directors of the Company are in compliance with the requirements of the Company Law and other relevant laws and regulations as well as the Articles of Association of the Company, and have been decided by the internal competent resolution authority. As of the date of this announcement, the company has completed the registration procedures for industrial and commercial changes.

II. Impact Analysis and Countermeasures

This personnel change is a normal personnel adjustment. As of the date of issuance of this report, the company operates normally and orderly. The above personnel changes are in compliance with the law and the articles of association of the company, and will not adversely affect the company's daily management, production and operation, and solvency.