Jiugang Hongxing: Abnormal fluctuations in stock trading do not involve undisclosed significant issues that should be disclosed.

Jiugang Hongxing announced that the closing price of the company's stock on March 17 and March 18, 2026, rose by more than 20% for two consecutive trading days, which is considered abnormal volatility. After verification, the company and its controlling shareholder do not have any undisclosed significant issues, and there are no relevant media reports or market rumors that need clarification. The controlling shareholder and senior executives did not buy or sell the company's stock during the abnormal volatility period. The company reminds investors to pay attention to investment risks.