On 2 December 2025, China Oilfield Services Limited (the “Company”) held its first extraordinary general meeting (“EGM”) in Sanhe City, Hebei Province. Shareholders or proxies representing 3,300,306,252 shares (69.165727% of the Company’s total issued share capital) took part. All proposed resolutions were passed, including approvals of continuing connected transactions for the next three years and various amendments to procedural rules.

Following the passing of a special resolution, the Company’s supervisory committee was officially cancelled. Relevant supervisory committee responsibilities will now be undertaken by the board’s audit committee, and all previous supervisors retired effective the same day. The amended Articles of Association took effect immediately upon approval at the EGM, with the full text available on both the Stock Exchange and the Company’s websites.