Hua Dong Numerical Control: Abnormal fluctuations in stock trading; no undisclosed matters that should have been disclosed.

East China CNC announced that as of August 11, 2026, the cumulative deviation value of the closing price increase of the company's stock for two consecutive trading days has reached 20.89%, indicating abnormal fluctuations. After self-examination, the company confirms that there is no need to correct or supplement previously disclosed information, production and operations are normal, the controlling shareholder and actual controller have no significant matters that should have been disclosed but were not, and they did not trade the company's stock during the period of abnormal fluctuations. The company reminds investors to pay attention to trading risks.