Royal Group: Abnormal stock trading fluctuations.

Huang Group Announcement: The company's stock has experienced abnormal fluctuations, with the closing prices on July 15, July 16, and July 17, 2025, increasing cumulatively by more than 20% over three consecutive trading days. The company conducted a self-examination and verified that there is no need to correct or supplement the previously disclosed information, and no undisclosed material information affecting the stock price was found. The company's production and operations are normal, and there have been no significant changes in the internal and external environment. The controlling shareholders and actual controllers did not buy or sell the company's stock during the abnormal fluctuations. There are no major issues that should have been disclosed but were not, and the performance forecast for the first half of 2025 has not been revised.