HONGDA BLASTING: During the period of stock fluctuations, the controlling shareholder Environmental Protection Group did not engage in buying or selling the company's stocks

On September 21, HONGDA BLASTING announced that the closing price increase deviation of the company's stock reached a cumulative 20% or more over three consecutive trading days on September 17, 18, and 19, 2025. According to the relevant regulations of the Shenzhen Stock Exchange, this constitutes an abnormal fluctuation in stock trading. After verification, the company's controlling shareholder and actual controller, Guangdong Environmental Protection Group Co., Ltd., responded: "The company's current production and operation situation is normal, and during the period of stock fluctuations, there were no transactions involving your company's stock. As of September 19, there is no significant information that should have been disclosed but was not." Recently, there have been no significant changes in the company's operating conditions and internal and external operating environment. The information disclosed by the company previously does not require correction or supplementation, nor is there any significant information that should have been disclosed but was not