Yankuang Energy: A-shares have consecutively deviated by more than 20% for three days without disclosure of undisclosed matters.

Yankuang Energy announced that the company's A-shares had a cumulative deviation of more than 20% in the closing prices on February 27, March 2, and March 3, 2026, over three consecutive trading days, which is considered abnormal volatility. After conducting a self-examination and confirming with the controlling shareholder, as of the date of the announcement, there are no significant undisclosed issues to be disclosed, and the production and operation are normal. The previous disclosures do not require corrections or supplements. The controlling shareholder promised in April 2025 not to reduce the holding within 12 months and to increase it selectively, while the company planned to repurchase A and H shares in August 2025, which have not been implemented yet. Investors are reminded to pay attention to trading and operational risks.