Yanshan Technology: Abnormal fluctuations in stock trading, indicating multiple risks.

Yanshan Technology announced that the company's stock had a cumulative deviation in the closing price for three consecutive trading days on September 14, 2026, exceeding 20%, which is considered abnormal volatility. After verification, there were no corrections or supplements to previous information, no major undisclosed information was found, the operating environment remained unchanged, and the controlling shareholder and ultimate controller did not have any major undisclosed matters to disclose. There was no trading of stocks during the abnormal volatility period. The company reminds investors to be cautious as the stock price has experienced significant short-term increases or decreases, the 2025 financial report has not been released, revenue from brain-computer related business has not been generated, and the performance is uncertain, so investors should pay attention to the risks.