National Machine Precision: The cumulative deviation of the stock price from the previous three trading days exceeds 20%.

Guoji Precision Machinery announced that the company's stock price had a deviation of more than 20% from the closing price on December 18, 19, and 22, 2025, which was considered abnormal fluctuation. After verification, the company's previous disclosed information remains unchanged, no undisclosed major information was found in public media reports, and there have been no changes in the company's operations or internal and external environment. The company, major shareholders, and actual controllers have not withheld any major undisclosed matters, and the actual controller has not traded the company's stock during this period. The company reminds investors to rely on official announcements from designated media sources and to invest rationally.