Sinopec Engineering Group Co Ltd. — Capital/Financing Update 2024

Sep 22, 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 IN RELATION TO THE AWARD OF AN EPC CONTRACT FOR AN ETHANE CRACKING PROJECT OF SILLENO IN KAZAKHSTAN

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

The Company is pleased to announce that the Group and Tecnicas Reunidas, a Spanish company, (“ TR Company ”) have recently been awarded an EPC contract (the “ Contract ”) by Silleno LLP, a company in Kazakhstan, (“ Silleno Company ”) in relation to an ethane cracking project (the “ Project ”) of a Silleno petrochemical complex project in Kazakhstan. Pursuant to the Contract, the Group will form a joint venture (“ JV ”) with TR Company to jointly provide EPC contracting services for the Project. The value of the Contract is approximately US$2.5 billion, and the Group and TR Company each owns 50% of the JV. The total value of the Contract will be recorded as backlog of the Group.

The Project is a landmark for Kazakhstan, signifying its endeavors in the development of petrochemical industry for the country. Silleno Company, the owner of such investment, is a joint venture jointly funded by KazMunayGas (the national oil and gas company of the Republic of Kazakhstan), China Petrochemical Corporation (SINOPEC), and etc. The Project site is located in the National Petrochemical Industrial Park in Karabatan District, Atyrau Region, Western Kazakhstan.

* For identification purpose only

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The board of directors of the Company wishes to emphasize that the Contract and the estimated value of the Contract mentioned above shall not constitute any forecast or prediction of the profits of the Group. Shareholders 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 22 September 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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