China Oilfield Services: CNOOC Group's increase in shareholding reaches the 1% threshold, raising its stake to 51.02%.

China Oilfield Services Limited announcement: Controlling shareholder China National Offshore Oil Corporation increased its holdings by 405,000 A shares and 5 million H shares between September 24, 2026 and September 28, 2026. After the equity change, it holds 2.435 billion shares, with its shareholding ratio rising from approximately 50.91% to approximately 51.02% of total share capital, crossing an integer multiple of 1% for the equity change. The increase plan has not yet been fully implemented, and further increases will continue to be made as opportunities arise.