Yanchang Petroleum International Limited (“YANCHANG PETRO”) will convene its 2026 Annual General Meeting online at 3:30 p.m. on 28 May 2026 via the platform https://evoting.vistra.com/#/346.

Key items to be tabled as ordinary resolutions include:

1. Financial Statements • Shareholders will receive and consider the audited financial statements, directors’ report and independent auditor’s report for the year ended 31 December 2025.

2. Board Composition • Re-election of four independent non-executive directors: – Mr. Ng Wing Ka – Mr. Leung Ting Yuk – Mr. Sun Liming – Dr. Mu Guodong • The Board will also seek authority to determine directors’ remuneration.

3. Auditor Appointment • BDO Limited is nominated as external auditor for the forthcoming year, with the Board authorised to set its remuneration.

Administrative details:

• Record Date & Book Closure: The share register will be closed from 22 May 2026 to 28 May 2026 (both days inclusive). Only shareholders on record by 4:30 p.m. on 21 May 2026 may attend and vote. • Proxy Arrangements: Shareholders may appoint one or more proxies; 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. • Board Composition as at notice date: eight directors—three executive, one non-executive and four independent non-executive.

The notice was authorised by Chairman Mr. Feng Yinguo and dated 22 April 2026.