Sinopec Engineering Group Co Ltd. — AGM Information 2023

Aug 20, 2023

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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)

Reply Slip for the Second H Shares Class Meeting for the Year 2023

To: SINOPEC Engineering (Group) Co., Ltd. (the “ Company ”)

I (We) [(Note][1)]

of

Tel. No.:

being the holder(s)

of [(Note][2)]

H share(s) of RMB1.00 each in the capital of the Company hereby confirm that I (we) or my (our) proxy wish to attend the second H shares class meeting of the Company for the year 2023 (the “ H Shares Class Meeting ”) to be held on Friday, 20 October 2023 immediately after the first extraordinary general meeting for the year 2023 and the second domestic shares class meeting for the year 2023 of the Company to be convened and held on the same date and at the same place at A67, Ande Road, Xicheng District, Beijing, the PRC.

Signature(s):

Date:

Notes:

1. Please insert full name(s) (in Chinese or in English) and registered address(es) as shown in the register of members in BLOCK LETTERS .

2. Please delete as appropriate and insert the number of shares of the Company registered under your name(s).

3. The completed and signed reply slip should be delivered to the Company by e-mail (Email: seg.ir@sinopec.com), by post or by hand at A67, Ande Road, Xicheng District, Beijing, the PRC (Postal Code: 100120) such that the same shall be received by the Company on or before Thursday, 28 September 2023. Failure to sign and return this reply slip, however, will not preclude an eligible shareholder of the Company from attending the H Shares Class Meeting.

* For identification purposes only