ST Huifeng: Company and 4 individuals received a warning letter from the Jiangsu Securities Regulatory Bureau due to inaccurate disclosure of information.

*ST Huifeng announced that the company received a "Warning Letter" issued by the Jiangsu Securities Regulatory Bureau on March 18, 2026. After investigation, it was found that the disclosure of the 49% equity transaction price of Shijiazhuang Ruikai Chemical Co., Ltd. in the company's annual reports from 2018 to 2020 was inaccurate. Chairman Zhong Hangen, former CEO Pei Baiping, former Board Secretary Wei Guangquan, and former CFO Yang Jinhua bear the main responsibility for this violation. The company and relevant personnel will learn from this lesson, strengthen management, avoid similar incidents from happening again, and this warning letter will not affect the company's normal operation.