CHK Oil Limited has circulated a proxy form ahead of its Annual General Meeting, set for 11:00 a.m. on 26 June 2026 at Units 2617-18, 26/F, Mira Place Tower A, 132 Nathan Road, Kowloon, Hong Kong. Key ordinary and special resolutions to be put to shareholders are summarised below.

1. 2025 Audited Results Shareholders will vote on adopting the audited consolidated financial statements and the accompanying reports of directors and auditors for the year ended 31 December 2025.

2. Board Composition Six directors are standing for re-election: • Executive directors: Mr Yu Zhibo and Ms Wong Wai Sze • Non-executive directors: Mr Zheng Ye and Ms Wong Wai Yin Viola • Independent non-executive director: Mr Chen Yawei The board also seeks authority to fix directors’ remuneration.

3. Auditor Appointment Forvis Mazars CPA Limited is nominated for re-appointment as external auditor, with the board authorised to determine its fees.

4. General Share Issue Mandate Directors request a fresh general mandate to issue, allot and deal with new shares.

5. Share Buy-back Mandate A separate mandate would authorise the company to repurchase its own shares.

6. Extension of Issue Mandate Subject to approval of the buy-back mandate, the company proposes extending the share issue mandate by adding the number of shares repurchased under the new authorisation.

7. Adoption of New Bye-laws A special resolution will seek shareholder approval for the adoption of updated bye-laws, replacing the current version in its entirety.

Proxy Arrangements Registered shareholders unable to attend may appoint the chairman or another proxy to vote on their behalf. Completed proxy forms must reach Tricor Investor Services Limited, 17/F, Far East Finance Centre, 16 Harcourt Road, Hong Kong, no later than 48 hours before the meeting.

Approval of these resolutions will enable CHK Oil to finalise its 2025 reporting cycle, refresh board mandates and update its constitutional framework for the coming financial year.