大有能源股东义马煤业集团青海义海能源有限责任公司质押6900万股，占总股本2.89%

Group 1 - The core point of the news is that Yihua Coal Industry Group Qinghai Yihai Energy Co., Ltd. has pledged a total of 69 million shares of Dayou Energy, accounting for 2.89% of the total share capital [1] - After this pledge, Yihua Coal Industry Group has a total of 739 million pledged shares, which is 49.98% of its total holdings, while Yihua Coal Industry Group Qinghai Yihai Energy Co., Ltd. has pledged 229 million shares, accounting for 42.21% of its total holdings [1] - The cumulative pledged shares of the top ten shareholders of Dayou Energy after this pledge are detailed in the accompanying chart [1] Group 2 - Dayou Energy's Q1 2025 financial report shows a main revenue of 1.076 billion yuan, a year-on-year decrease of 23.63% [3] - The net profit attributable to the parent company is -309 million yuan, a year-on-year decrease of 14.36%, while the net profit after deducting non-recurring gains and losses is -324 million yuan, a year-on-year decrease of 20.38% [3] - The company's debt ratio is 70.61%, with investment income of -821,200 yuan, financial expenses of 70.5713 million yuan, and a gross profit margin of 8.72% [3] - Dayou Energy's main business includes raw coal mining, coal wholesale operations, and coal washing and processing [3]