The Shanghai Stock Exchange issued a regulatory warning to *ST Yanshi and related responsible persons.

On February 3rd, the Shanghai Stock Exchange issued a decision to give a regulatory warning to Shanghai Guijiu Co., Ltd. and related personnel. It was found that the position of the company's board secretary had been vacant for a long time, and the duties of the board secretary had been performed by the then vice chairman since September 12, 2024. Previously, our department had issued a recommendation for the company to operate in compliance, urging the company to promptly appoint a board secretary according to the rules. However, as of now, the company has not yet completed the appointment of a board secretary. In terms of responsible personnel, the then vice chairman of the company, Chen Qi, and Zhu Juno, who acted as the chairman of the company, as the main person in charge of the company, did not fulfill their responsibilities diligently, did not timely advance the selection and appointment of the company's board secretary, and are responsible for the above-mentioned violations. The Shanghai Stock Exchange has decided to issue a regulatory warning to Shanghai Guijiu Co., Ltd. and the then vice chairman Chen Qi and Zhu Juno.