ST Permanent: The company and relevant personnel have received a warning letter from the Jiangsu Securities Regulatory Bureau.

On the evening of September 19, *ST Hengji announced that the company had received a decision from the Jiangsu Regulatory Bureau of the China Securities Regulatory Commission to issue a warning letter to Suzhou Hengji Optoelectronic Technology Co., Ltd. and related personnel for irregularities in the registration management of insiders' information and incomplete registration scope. Yu Rongqing, as the then chairman, and Zhang Dongyun, as the secretary of the board of directors, failed to fulfill their duties diligently and responsibly according to regulations, and bear primary responsibility for the company's actions mentioned above. The Jiangsu Regulatory Bureau decided to issue a warning letter to the company and related parties and record it in the integrity archive of the securities and futures market.