Sinopec Kantons Holdings Limited — Proxy Solicitation & Information Statement 2026

Mar 10, 2026

中国石化 SINOPEC

SINOPEC KANTONS HOLDINGS LIMITED

(中石化冠德控股有限公司)*

(incorporated in Bermuda with limited liability)

(Stock Code: 934)

10 March 2026

To the New Shareholders

Dear Sir/Madam,

Election of Means of Receipt and Language of Corporate Communications

Pursuant to Rules 2.07A and 2.07B of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (the "Stock Exchange") and the Bye-Laws of Sinopec Kantons Holdings Limited (the "Company"), the Company is making available to you the following options for you to elect for receipt of future corporate communications of the Company (the "Corporate Communications") Note 1:

Option 1: to access all future Corporate Communications by electronic means through the Company's website at www.sinopec.com.hk (the "Website Version") instead of receiving printed copies, and receive a notification of the publication of the Corporate Communications on the Company's website; or

Option 2: to receive the printed English version of all future Corporate Communications only; or

Option 3: to receive the printed Chinese version of all future Corporate Communications only; or

Option 4: to receive both the printed English and Chinese versions of all future Corporate Communications.

In support of environmental protection and more efficient communication with you, the Company recommends that you select Option 1 above to receive the Website Version of all future Corporate Communications. The Company also recommends you to provide your email address to ensure timely receipt of the latest Corporate Communications and Actionable Corporate Communications Note 2. To make your election and/or to provide your email address, please complete the enclosed reply form (the "Reply Form") and sign and return it by mail or by hand to the Company c/o the branch share registrar and transfer office of the Company in Hong Kong (the "Share Registrar"), Tricor Investor Services Limited, at 17/F, Far East Finance Centre, 16 Harcourt Road, Hong Kong. If you post the Reply Form in Hong Kong, you may use the freepost mailing label provided when returning the Reply Form to the Company. If you are mailing the Reply Form from overseas, please affix an appropriate stamp. You may also send email with a scanned copy of the duly completed and signed Reply Form to sinopec0934-ecom@vistra.com.

If the Company does not receive the duly completed and signed Reply Form or any response in writing indicating any objection from you by 14 April 2026, and until you inform the Company c/o the Share Registrar by reasonable notice in writing to 17/F, Far East Finance Centre, 16 Harcourt Road, Hong Kong or by email to sinopec0934-ecom@vistra.com, you are deemed to have consented to receiving the Website Version of all future Corporate Communications, and a notification of the publication of the Corporate Communications on the Company's website will be sent to you in the future. If the Company does not receive a functional email address in your reply, until such time that a functional email address is provided to the Share Registrar, the Company will send you the Actionable Corporate Communications Note 2 in printed form in the future.

You are entitled at any time by reasonable notice in writing to the Company c/o the Share Registrar at 17/F, Far East Finance Centre, 16 Harcourt Road, Hong Kong or by email to sinopec0934-ecom@vistra.com to change your choice of means of receipt and/or language of future Corporate Communications. Even if you have chosen (or are deemed to have consented) to receive the Website Version of future Corporate Communications but for any reason have difficulty in receiving or gaining access to the Website Version of the Corporate Communications, the Company or the Share Registrar will, upon your written request, send the printed form of the Corporate Communications to you in the selected language version(s) free of charge. Your request for the printed form will remain valid until the instruction has been revoked, superseded, or expired, or for one year from the date of receiving your instruction (whichever is earlier).

Please note that printed copies of the English and Chinese versions of all future Corporate Communications will be available from the Share Registrar on request. They will also be available on the Company's website at www.sinopec.com.hk and the website of the Stock Exchange at www.hkexnews.hk.

Should you have any query relating to this letter, please call the dial-up hotline of the Share Registrar at (852) 2980 1333 during business hours (9:00 a.m. to 5:00 p.m., Monday to Friday, excluding Hong Kong public holidays).

By Order of the Board

Sinopec Kantons Holdings Limited

Zhong Fuliang

Chairman

Encl.

Note:

(1) Corporate Communications refer to any documents issued or to be issued by the Company for the information or action of holders of any of the Company's securities, including but not limited to: (a) directors' reports, annual accounts together with the independent auditor's reports and, where applicable, summary financial reports; (b) interim reports and, where applicable, summary interim reports; (c) notices of meetings; (d) listing documents; (e) circulars; and (f) proxy forms.

(2) Actionable Corporate Communications means any corporate communications issued or to be issued by the Company that seek instructions from its securities holders on how they wish to exercise their rights or make an election as the securities holders of the Company.

• For identification purposes only

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REPLY FORM

To: SINOPEC KANTONS HOLDINGS LIMITED
(Incorporated in Bermuda with limited liability)
(Stock Code: 934)
c/o Tricor Investor Services Limited
17/F, Far East Finance Centre, 16 Harcourt Road, Hong Kong

I/We would like to receive all future Corporate Communications of the Company in the manner as indicated below:
(Please mark a “✓” in ONLY ONE of the following boxes.)

☐ to access all future Corporate Communications by electronic means through the Company’s website at www.sinopec.com.hk (the “Website Version”) instead of receiving printed copies, and receive an email notification to my/our email address below or a notification letter of the publication of the Corporate Communications on the Company’s website and to receive all future Actionable Corporate Communications of the Company via electronic dissemination; OR

(Please fill in your email address.)

☐ to receive the printed English version of all future Corporate Communications ONLY; OR
☐ to receive the printed Chinese version of all future Corporate Communications ONLY; OR
☐ to receive both the printed English and Chinese versions of all future Corporate Communications.

Shareholder’s full name: _____
(Please use ENGLISH BLOCK LETTERS.)

Signature: _____

Address: _____
(Please use ENGLISH BLOCK LETTERS.)

Contact telephone number: ____
Date: ____

Notes:

1. Please complete all your details clearly. Any Reply Form that has not been completed clearly or otherwise incorrectly completed will be void at the discretion of the Company.
2. If the Company does not receive this form from you or does not receive from you a response indicating the objection on or before 14 April 2026, you are deemed to have consented to receive all our future corporate communications on the Company’s website only and we will send you a notification of the publication of the corporate communications on the Company’s website. If the Company does not receive a functional email address in your reply, until such time that a functional email address is provided to the Share Registrar, the Company will send you the Actionable Corporate Communications in printed form in the future.
3. By selecting to receive the Website Version of the Corporate Communications instead of receiving printed copies, you have expressly consented to waive the right to receive the Corporate Communications in printed form.
4. If your shares are held in joint names, the Shareholder whose name stands first on the register of members of the Company in respect of the joint holding should sign on this Reply Form in order to be valid.
5. The above instruction will apply to all future Corporate Communications to be sent to you until you notify otherwise the Company c/o the branch share registrar and transfer office of the Company in Hong Kong (the “Share Registrar”), Tricor Investor Services Limited, by reasonable notice in writing to 17/F, Far East Finance Centre, 16 Harcourt Road, Hong Kong or by email to sinopec0934-ecom@vistra.com.
6. You are entitled at any time by reasonable notice in writing to the Company c/o the Share Registrar to change your choice of means of receipt and/or language of future Corporate Communications.
7. For the avoidance of doubt, the Company does not accept any special instructions written on this Reply Form.
8. Corporate Communications refer to any documents issued or to be issued by the Company for the information or action of holders of any of the Company’s securities, including but not limited to: (a) directors’ reports, annual accounts together with the independent auditor’s reports and, where applicable, summary financial reports; (b) interim reports and, where applicable, summary interim reports; (c) notices of meetings; (d) listing documents; (e) circulars; and (f) proxy forms.
9. Actionable Corporate Communications means any corporate communications issued or to be issued by the Company that seek instructions from its securities holders on how they wish to exercise their rights or make an election as the securities holders of the Company.

PERSONAL INFORMATION COLLECTION STATEMENT

“Personal Data” in this statement has the same meaning as “personal data” defined in the Personal Data (Privacy) Ordinance, Cap 486 (the “PDPO”), which may include but not limited to your name, contact telephone number, email address and mailing address.

Your supply of Personal Data is on a voluntary basis for the purpose of receiving Corporate Communications in the manner chosen. Your Personal Data will be retained for such period as may be necessary for our verification and record purposes.

You have the right to request access to and/or correction of the respective Personal Data in accordance with the provisions of the PDPO. Any such request for access to and/or correction of the Personal Data should be in writing by either of the following means:

By mail to: Privacy Compliance Officer
Tricor Investor Services Limited
17/F, Far East Finance Centre, 16 Harcourt Road, Hong Kong

By email to: sinopec0934-ecom@vistra.com

Please cut the mailing label and stick it on an envelope to return this Reply Form to us.

No postage stamp is necessary if posted in Hong Kong.

Mailing Label
Tricor Investor Services Limited
Freepost No.: 10 GPO
Hong Kong