According to Dongbai Group's announcement, the cumulative daily closing price deviation value of the company's stock fell by more than 20% for 3 consecutive trading days on October 15, October 16, and October 19, 2026, which is an abnormal fluctuation in stock trading. As of October 19, 2026, a letter was sent to the controlling shareholders and actual controllers to verify that as of October 19, 2026, the company, controlling shareholders and actual controllers had no significant matters that should have been disclosed but not disclosed. The company's current business activities and operating order are normal. There have been no major changes in the main business, and there have been no major changes in the external market environment or industry policies. Investors are kindly requested to pay attention to secondary market transaction risks.

According to Dongbai Group's announcement, the cumulative daily closing price deviation value of the company's stock fell by more than 20% for 3 consecutive trading days on October 15, October 16, and October 19, 2026, which is an abnormal fluctuation in stock trading. As of October 19, 2026, a letter was sent to the controlling shareholders and actual controllers to verify that as of October 19, 2026, the company, controlling shareholders and actual controllers had no significant matters that should have been disclosed but not disclosed. The company's current business activities and operating order are normal. There have been no major changes in the main business, and there have been no major changes in the external market environment or industry policies. Investors are kindly requested to pay attention to secondary market transaction risks.