China Oilfield Services Limited (stock code: 02883, “COSL”) announced that its 2025 annual results will be published on the Hong Kong Stock Exchange website on 24 March 2026.
The company has scheduled an investor presentation for 10:00–11:00 (HKT) on 25 March 2026 to discuss the financial performance and business conditions for 2025. The session will be conducted in a hybrid format:
1. On-site venue: Island Ballroom A, 5/F, Island Shangri-La Hotel, Pacific Place, Supreme Court Road, Central, Hong Kong. 2. Telephone conference: Mainland China dial-in 4008 063 263; Hong Kong dial-in (852) 3018 3602.
Management attending the presentation includes Chairman and Chief Executive Officer Zhao Shunqiang, Vice President and Company Secretary Sun Weizhou, Chief Financial Officer Qie Ji, and an independent non-executive director (subject to change under special circumstances).
Investors intending to join by phone should obtain the dial-in password via SPRG_COSL@sprg.com.hk or call (852) 2864 4890 / (852) 2114 2825 / (852) 2864 4894. Questions may be submitted in advance to cosl@cosl.com.cn by 23:59 (Beijing time) on 19 March 2026; telephone contact (86) 10 8452 1685.
Following the event, COSL will upload presentation materials and a summary to the “To Investor” section of its website (https://www.cosl.com.cn).
The announcement was authorised for issue by the Board on 12 March 2026.