China Coal Energy: Abnormal stock trading fluctuations, no undisclosed material information that should be disclosed.

China Coal Energy announced that the company's stock had fluctuated by a cumulative deviation of 20% on February 27, March 2, and March 3, 2026, which constituted abnormal volatility in stock trading. After verification, the company's daily operations and external environment have not undergone significant changes, and there is no undisclosed material information from the company, its controlling shareholders, or actual controllers. There have been no relevant media reports or market rumors, and the company's directors, supervisors, and controlling shareholders have not traded the company's stock during this period.