Sinopec Kantons Holdings Limited released its 2025 Annual Report, a circular dated 17 April 2026, the Notice of Annual General Meeting and the accompanying proxy form.

The full English and Chinese versions of all documents are now available for download on both the company’s website (www.sinopec.com.hk) and the Hong Kong Stock Exchange’s news portal (www.hkexnews.hk).

Registered shareholders may request printed copies—either in English, Chinese or both—by completing and returning the enclosed Change Request Form to Tricor Investor Services Limited, the company’s Hong Kong share registrar, at 17/F, Far East Finance Centre, 16 Harcourt Road, Hong Kong. The form can be submitted by mail (postage-paid within Hong Kong), by hand delivery, or by emailing a scanned copy to sinopec0934-ecom@vistra.com.

Shareholders can also use the same form to change their future communication preference, choosing between electronic access with email alerts or hard-copy delivery in a preferred language. Requests remain valid for up to one year unless amended or revoked.

For enquiries, the share registrar’s hotline (+852 2980 1333) operates from 9:00 a.m. to 5:00 p.m., Monday to Friday (excluding Hong Kong public holidays).

The board notification is signed by Chairman Zhong Fuliang and dated 17 April 2026.