ST Mingcheng: The abnormal fluctuation of the stock price does not involve undisclosed significant matters that should be disclosed.

ST Mingcheng announced that the closing price of the company's stock deviated more than 12% from the previous three trading days from March 23 to 25, 2026, indicating abnormal fluctuations in stock trading. After self-examination, the company and its controlling shareholders have not disclosed any significant undisclosed matters, industry policies and external environment remain unchanged, daily operations are normal, and no media reports, market rumors, or hot concepts affecting stock prices have been found. In addition, the company has received an administrative penalty decision, and the stock has been subject to other risk warnings, which will be applied for revocation as soon as the conditions are met.