6 consecutive boards*ST and Science: The current production and operation situation is normal, and there have been no major changes in the internal and external operating environment.

ST and company K issued a notice on May 12th, stating that the closing price of the company's stock on May 8th, May 9th, and May 12th, 2025 has deviated by more than 12% for three consecutive trading days. According to the relevant provisions of the Shenzhen Stock Exchange Trading Rules, this constitutes abnormal fluctuations in stock trading. After verification, the company's recent production and operation situation is normal, and there have been no significant changes in the company's operating conditions or internal and external operating environment. As of the date of this announcement, there are no undisclosed major matters related to the company, controlling shareholders, or actual controllers that should have been disclosed. The company has not found any recent public media reports that may have had a significant impact on the trading price of the company's stock due to undisclosed major information. After verification, the controlling shareholders and actual controllers of the company did not engage in buying or selling the company's stock during the period of abnormal fluctuations in the stock.