Sinopec Engineering Group Co Ltd. — Share Issue/Capital Change 2026

Feb 12, 2026

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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.

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)

INSIDE INFORMATION COMPLETION OF THE H SHARES FULL CIRCULATION

This announcement is made by SINOPEC Engineering (Group) Co., Ltd. (the "Company") pursuant to Part XIVA of the Securities and Futures Ordinance (Chapter 571 of the Laws of Hong Kong) (the "Inside Information Provisions") and Rule 13.09(2)(a) of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (the "Hong Kong Stock Exchange") (the "Hong Kong Listing Rules").

References are made to the announcements of the Company dated 16 March 2025 and 27 January 2026 (the "Announcements") in relation to the proposed implementation of the H Shares Full Circulation by the Company. In this announcement, unless the context otherwise requires, capitalised terms used herein shall have the same meanings as those defined in the Announcements.

The Board hereby announces that the Listing Committee of the Hong Kong Stock Exchange has recently granted listing approval in relation to the listing of and permission to deal in the H Shares converted from 219,980,000 Domestic Shares held by CNPC (the "Converted H Shares"). The conversion of 219,980,000 Domestic Shares into H Shares has been completed on 12 February 2026. The listing of the Converted H Shares on the Hong Kong Stock Exchange will commence at 9:00 a.m. on 13 February 2026.

Before and upon completion of the H Shares Full Circulation, the shareholding percentage of CNPC in the Company is set out as follows:

Name of the Participating Shareholder in the H Shares Full Circulation

Number of Domestic Shares to be converted into H Shares

Approximate percentage of the total number of issued shares of the Company upon completion of the H Shares Full Circulation Note

CNPC 219,980,000 5.01%

Note:

Based on the total number of 4,394,024,000 issued shares of the Company as of the date of this announcement, the percentage has been rounded up to the nearest two decimal places.

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As at the date of this announcement and after the completion of the H Shares Full Circulation, the shareholding structure of the Company is set out as follows:

Class of Shares	As at the date of this announcement		After the completion of the H Shares Full Circulation
	Number of Shares	Approximate percentage	Number of Shares	Approximate percentage
H Shares	1,426,824,000	32.47%	1,646,804,000	37.48%
Domestic Shares	2,967,200,000	67.53%	2,747,220,000	62.52%
Total	4,394,024,000	100.00%	4,394,024,000	100.00%

Shareholders and potential investors of the Company are advised to exercise caution when dealing in the securities 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 12 February 2026

As at the date of this announcement, directors of the Company are: JIANG Dejun# , ZHANG Xinming# , XIANG Wenwu* , LI Chengfeng* , YU Renming* , YE Zheng+, ZHAO Jinsong+, ZHANG Xuyan+ 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).