Sinopec Engineering Group Co Ltd. — AGM Information 2023

Mar 19, 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 H Shares Class Meeting

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) wish to attend or appoint a proxy to attend on my (our) behalf the first class meeting for H Shareholders of the Company for the year 2023 (the “ H Shares Class Meeting ”) to be held on Friday, 12 May 2023 immediately after the annual general meeting of the Company for the Year 2022 and the first class meeting for Domestic Shareholders of the Company for the year 2023 to be convened and held on the same date and at the same place at Conference Room 201, Building 8, Shenggujiayuan, Shenggu Middle Road, Chaoyang 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 fax (Fax: (+86) 10 5673 0500), by post or by hand at Building 8, Shenggujiayuan, Shenggu Middle Road, Chaoyang District, Beijing, the PRC (Postal Code: 100029) such that the same shall be received by the Company on or before Friday, 21 April 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.

4. For identification purposes only