Yian Technology: The current operating situation is normal and there are no significant issues that the company should disclose but have not disclosed.

Yi'an Technology Announcement: The company's stock trading price has deviated by more than 30% for three consecutive trading days, which is considered abnormal stock trading volatility. After verification, the company has not found any information that needs to be corrected or supplemented from previous disclosures. The operation is normal, and there have been no major changes in recent business conditions or internal and external operating environment. No significant information that may have a significant impact on the company's stock trading price has been reported in the recent public media. There are no major undisclosed matters that should be disclosed by the company, controlling shareholder, or actual controller, or major matters in the planning stage. During the abnormal stock price fluctuation period, the controlling shareholder and actual controller of the company did not engage in buying or selling company stocks.