Sinopec Engineering Group Co Ltd. — Board/Management Information 2024

Mar 4, 2024

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中石化煉化工程（集團）股份有限公司 SINOPEC Engineering (Group) Co., Ltd.*

(a joint stock limited liability company incorporated in the People’s Republic of China)

(Stock Code: 2386)

RESIGNATION OF A SUPERVISOR

The board of directors (the “ Board ”) of SINOPEC Engineering (Group) Co., Ltd. (the “ Company ”) hereby announces that, due to work adjustment, Mr. XU Yijun has recently submitted his resignation as an employee representative supervisor to the supervisory committee of the Company (the “ Supervisory Committee ”). Mr. XU Yijun’s resignation has taken effect when it was tendered to the Supervisory Committee.

Mr. XU Yijun has confirmed that he has no disagreement with the Supervisory Committee and there are no matters relating to his resignation that need to be brought to the attention of the shareholders of the Company.

Mr. XU Yijun has been diligent and dedicated during his tenure. The Company, the Board and the Supervisory Committee would like to express sincere gratitude to Mr. XU Yijun for his hard work and contributions to the Company during his term as a supervisor of the Company.

By order of the Board SINOPEC ENGINEERING (GROUP) CO., LTD. YIN Fengbing

Chief Financial Officer & Secretary to the Board

Beijing, the PRC 4 March 2024

As at the date of this announcement, directors of the Company are: JIANG Dejun[#] , XIANG Wenwu[#] , YU Renming*, LI Chengfeng*, WU Wenxin*, ZHANG Xinming[#] , XIE Yanli[#] , HUI Chiu Chung, Stephen[+] , DUAN Xue[+] , YE Zheng[+ ] and ZHAO Jinsong[+] .

# Executive Directors

* Non-executive Directors

+ Independent non-executive Directors

This announcement is available on the website of Hong Kong Exchanges and Clearing Limited (www. hkexnews.hk) and on the website of the Company (www.segroup.cn).

***** For identification purpose only