China Oilfield Services Limited on 14 July 2022, the Board received the written resignation from Mr. Lin Boqiang, a current independent non-executive director of the Company. The resignation of Mr. Lin Boqiang as an independent non-executive director, the chairman of the nomination committee, a member of the audit committee and a member of the remuneration and assessment committee of the Company was due to work reasons, with effect from the date when a new independent non-executive director is appointed by the shareholders of the Company at the extraordinary general meeting.