To protect the investors' rights and interests, China Oilfield Services Limited ("COSL" or the "Company"; stock code of HKEX: 2883; stock code of SSE: 601808) will hold a conference call at 17 :0 0 on Thursday, April 23 , 2026 to discuss the results for the first quarter. The management of the Company is inviting you to participate in the conference.
The time of the conference call may be slightly delayed, which depends on the actual time of releasing Q1 results. 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 atcosl.list@everbloom.com.cn or contact us at (852 )5338 1775 、 (852 )6226 6720 、 (86 )158 0167 9733 、 (86 )135 2131 8017 .