Sinopec Engineering Group Co Ltd. — Major Shareholding Notification 2024

Nov 1, 2024

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.

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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)

VOLUNTARY ANNOUNCEMENT TRANSFER OF SHARES OF THE CONTROLLING SHAREHOLDER

This announcement is made voluntarily by SINOPEC Engineering (Group) Co., Ltd. (the “ Company ”).

The Company was notified by China Petrochemical Corporation, the controlling Shareholder of the Company, that in order to deepen the strategic cooperation between China Petrochemical Corporation and China National Petroleum Corporation (“ CNPC ”) and to optimize the shareholding structure of the Company, China Petrochemical Corporation has transferred 219,980,000 domestic shares of the Company directly held by itself (representing approximately 5.00% of the total issued share capital of the Company at this announcement date, i.e. 4,399,599,000 shares, the same hereinafter) to CNPC (the “ Transfer ”).

Prior to the Transfer, China Petrochemical Corporation directly held 2,907,856,000 domestic shares of the Company, representing approximately 66.09% of the total issued share capital of the Company; CNPC did not hold any shares of the Company. After the Transfer and as at the date of this announcement, China Petrochemical Corporation directly holds 2,687,876,000 domestic shares of the Company, representing approximately 61.09% of the total issued share capital of the Company; CNPC directly holds 219,980,000 domestic shares of the Company, representing approximately 5.00% of the total issued share capital of the Company. The Transfer did not result in any change in the controlling shareholder or de facto controller of the Company.

• for identification purposes only

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Shareholders of the Company and potential investors are advised to exercise caution when dealing in the shares 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 1 November 2024

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

• 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).

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