Yunnan Nengtou: Stock trading experienced abnormal fluctuations; there are no undisclosed material matters that should be disclosed.

Yunnan Nengtou announced that the company's stock has experienced abnormal fluctuations with the closing prices deviating by more than 20% for three consecutive trading days on June 29, June 30, and July 1, 2026. After verification, it was found that there is no need to correct or supplement the previously disclosed information, and no undisclosed significant information has been reported in the public media. The company's operating situation is normal, and there are no undisclosed significant matters concerning the company, controlling shareholders, or actual controllers. During the abnormal fluctuations, the controlling shareholders and actual controllers did not buy or sell company stocks. In addition, the issuance of corporate bonds still requires approval and carries uncertainties, so investors are reminded to be cautious of risks.