Sinopec Kantons Holdings Limited has distributed its proxy form for the annual general meeting (AGM) scheduled on 3 June 2026 at Harbour Grand Hong Kong, beginning at 10:30 a.m. Shareholders are invited to appoint proxies and indicate voting instructions on eight ordinary resolutions.

Key agenda items:

1. 2025 Results & Dividend • Shareholders will vote to receive and adopt the audited consolidated financial statements and accompanying directors’ and auditor’s reports for the year ended 31 December 2025. • A final dividend for the 2025 financial year is proposed for approval. Specific dividend figures were not disclosed in the proxy form.

2. Board Composition • Re-election of five directors: – Executive Directors: Mr Ren Jiajun and Mr Sang Jinghua – Non-Executive Director: Mr Tu Yikai – Independent Non-Executive Directors: Dr Wong Yau Kar, David and Mr Ye, James Zheng

3. Remuneration & Auditor • Authorisation for the board to determine directors’ remuneration. • Re-appointment of KPMG as external auditor and authorisation for the board to fix the auditor’s fees.

4. Share Issuance & Buy-back Mandates • Renewal of the general mandate enabling directors to issue new shares. • Renewal of the mandate to repurchase the company’s own shares. • Extension of the share-issuance mandate by the nominal amount of shares repurchased under the buy-back mandate.

Administrative Details • Proxy forms, together with relevant authorisations, must reach Tricor Investor Services Limited (17/F, Far East Finance Centre, 16 Harcourt Road, Hong Kong) no later than 48 hours before the AGM. • Completion and return of the proxy form will not preclude shareholders from attending and voting in person.

Shareholders are advised to review the proxy materials carefully and submit voting instructions in accordance with the stated deadline.