Shining Wisdom: There have been no significant changes in the current business situation and internal and external environment.

Shangming Intelligence Announcement: The closing price of the company's stock on February 27, 2026 and March 2, 2026 deviated by more than 30% for two consecutive trading days, indicating abnormal stock price fluctuation. The company's board of directors has conducted written inquiries to major shareholders, actual controllers, all directors, and senior management personnel, and has confirmed that: there is no need to correct or supplement the information disclosed previously; no undisclosed significant information that may have a significant impact on the company's stock price has been found; there have been no significant changes in the company's operating conditions and internal and external environment; there are no major issues that the company, major shareholders, or actual controllers should disclose but have not yet disclosed, nor are there any major issues in the planning stage; during the abnormal fluctuation period, major shareholders, actual controllers, directors, and senior management personnel did not engage in buying or selling the company's stock; and there is no violation of fair information disclosure by the company.