CNOOC Oilfield Services: Net profit in the first quarter was 8.557 billion yuan, a decrease of 3.6% year-on-year.

CNOOC Oilfield Services: In the first quarter, the revenue reached 11.296 billion yuan, a year-on-year increase of 4.6%; the net profit attributable to the shareholders of the listed company was 0.8557 billion yuan, a year-on-year decrease of 3.6%.