DaYuan Pump Industry: No buying or selling of company stocks by the controlling shareholder, actual controller, directors, or senior management personnel was found during the abnormal fluctuations in the company's stock trading this time.

Dayout Pump Industry Announcement: The company's stock has experienced abnormal fluctuations in the closing prices for three consecutive trading days on December 17, December 18, and December 19, 2025, with a cumulative deviation exceeding 20%. After self-examination and written inquiries with the controlling shareholder and actual controller, the company confirms that there are no major issues or important information that should have been disclosed but were not disclosed. The company's production and operation are currently normal, and there have been no significant changes in its main business. The daily operation and downstream market environment or industry policies are not undergoing major adjustments, and the internal production and operation order is normal. It has not been found that the company's controlling shareholder, actual controller, directors, or senior management personnel have bought or sold the company's stock during this period of abnormal trading fluctuations.