China Oilfield Services Limited provided earnings guidance for the twelve months ended 31 December 2022. For the period, the group estimated that the net profit attributable to owners of the Company as calculated in accordance with the Hong Kong Financial Reporting Standards for the twelve months ended 31 December 2022 will increase by RMB 1.787 billion to RMB 2.187 billion compared with the twelve months ended 31 December 2021 to RMB 2.1 billion to RMB 2.5 billion, representing a year- on-year increase of 571% to 699%; and the net profit excluding non-recurring gain and loss attributable to owners of the Company as calculated in accordance with the Hong Kong Financial Reporting Standards for the twelve months ended 31 December 2022 will increase by RMB 2.035 billion to RMB 2.435 billion compared with the twelve months ended 31 December 2021 to RMB 2.0 billion to RMB 2.4 billion, representing a year-on-year increase of 5,814% to 6,957%.