Yongxing Materials: Stock price has deviated by over 20% for three consecutive days, claiming that there are no undisclosed matters that should be disclosed.

Yongxing Materials announced that the company's stock price has deviated by more than 20% for three consecutive trading days on March 20, March 23, and March 24, 2026, which is considered abnormal stock trading volatility. After verification, it was found that the company's previous disclosure information does not need to be corrected or supplemented, and no undisclosed major information that may affect stock prices through public media reports was found. The company's operations are normal, and there are no undisclosed matters regarding the controlling shareholder and ultimate controller. There were no transactions of the company's stock during the abnormal volatility period. The company plans to disclose its 2025 annual report on April 28.