On 28 October 2021, the board of directors of China Oilfield Services Limited received the written resignation from Mr. Qi Meisheng, a current executive director of the Company. The resignation of Mr. Qi Meisheng as an executive director of the Company was due to the adjustment of his work arrangement, with effect from the date when a new executive director is appointed by the shareholders of the Company at the Extraordinary General Meeting. Mr. Qi Meisheng has confirmed that he has no disagreement with the Board and there is no matter that needs to be brought to the attention of the holders of the securities of the Company and The Stock Exchange of Hong Kong Limited with regard to his resignation. Mr. Qi Meisheng performed his work rigorously, diligently and pragmatically during his tenure as an executive director of the Company. Meanwhile, he effectively protected the shareholders' rights, and the compliance and quality operations of the Company.