Group 1 - The stock price of CNOOC Engineering closed at 5.57 yuan on August 11, down 0.10 yuan, a decrease of 1.76% from the previous trading day [1] - The trading volume on that day was 619,670 hands, with a transaction amount of 346 million yuan [1] - CNOOC Engineering is a core enterprise in the domestic offshore oil and gas development engineering sector, engaged in design, procurement, construction, and installation [1] Group 2 - The company will release its semi-annual report for 2025 on August 16 and plans to hold a performance briefing on August 19 [1] - Key executives, including the chairman, president, and CFO, will attend the briefing to communicate the company's operational status with investors [1] Group 3 - On August 11, the net outflow of main funds was 33.87 million yuan, with a cumulative net outflow of 82.37 million yuan over the past five trading days [2]