China Oilfield Services Limited (“COSL” or the “Company”; stock code of HKEX: 2883; stock code of SSE: 601808) will hold the 2022 Annual Results Conference at 10:00am on Friday, 24 March 2023. The Results Presentation shall be convened through on-site meeting and telephone conference. The management of the Company is inviting you to participate in the conference.  

The consecutive interpretation between Mandarin and English will be provided in the Q&A session. If you would like to participate in the conference, please send an email to us at cosl@wsfg.hk or contact us at（852）3977 1871、（021）6330 9198.