Chinese Stone: Companies must disclose major matters or important information that are required to be disclosed but have not been disclosed.

The stock trading of Giant Stone Co., Ltd. in China experienced a deviation of more than 20% in the closing price over three consecutive trading days on February 10, 11, and 12, 2026. According to the relevant provisions of the "Shanghai Stock Exchange Trading Rules," this situation constitutes abnormal fluctuations in stock prices. The company conducted a self-inspection and sent written inquiries to the controlling shareholder and actual controller to verify, and as of the date of this announcement, it is confirmed that the company does not have any undisclosed significant events or important information that should have been disclosed.