VOLUNTARY ANNOUNCEMENTWINNING THE BID FOR THE GENERAL CONTRACTING PROJECT OFJINNENG HOLDING TONGRE PHASE III 2x1000 MW WORK BY ASUBSIDIARY OF THE COMPANY

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this announcement make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this announcement.CHINA ENERGY ENGINEERING CORPORATION LIMITED* (A joint stock company incorporated in the People’s Republic of China with limited liability) (Stock Code: 3996) VOLUNTARY ANNOUNCEMENT WINNING THE BID FOR THE GENERAL CONTRACTING PROJECT OF JINNENG HOLDING TONGRE PHASE III 2x1000 MW WORK BY A SUBSIDIARY OF THE COMPANY This announcement is made by China Energy Engineering Corporation Limited (the “Company”) on a voluntary basis.The board of directors of the Company (the “Board”) is pleased to announce that recently ChinaEnergy Engineering Group Shanxi Electric Power Design Institute Co. Ltd.（* 中国能源建设集团山西省电力勘测设计院有限公司）(“Shanxi Electric Power”) a subsidiary of the Company as the general contractor has won the bid for the general contracting project of Jinneng Holding Tongre phase III 2x1000 MW work (the “Project”). The Project is planned for the construction of 2x1000 MW coal-fired generating units with a total construction period of approximately 27 months and a winning amount of approximately RMB5635 million.As of the date of this announcement Shanxi Electric Power has not formally signed a contract with the Project owner and there are still uncertainties for the Project. Investors are advised to pay attention to the investment risks.By order of the Board CHINA ENERGY ENGINEERING CORPORATION LIMITED* Song Hailiang Chairman Beijing the PRC 12 July 2024 As at the date of this announcement the executive directors of the Company are Mr. Song Hailiang and Mr. Ma Mingwei; the non-executive directors are Mr. Liu Xueshi and Mr. Si Xinbo; and the independent non-executive directors are Mr. Zhao Lixin Mr. Cheng Niangao and Dr. Ngai Wai Fung.* For identification purpose only