SINOPEC SSC (01033) announced that its A-shares have experienced significant price fluctuations, with the cumulative increase in closing prices exceeding 20% over three consecutive trading days on October 20, 21, and 22, 2025. This situation falls under the category of abnormal trading fluctuations as defined by the Shanghai Stock Exchange's trading regulations. Following a self-inspection and inquiries with the controlling shareholder and actual controller, the company confirmed that, as of the date of this announcement, there are no undisclosed major information affecting the company or its controlling shareholder. Given the recent volatility in stock trading prices, investors are urged to remain cautious regarding secondary market trading risks, make rational decisions, and invest prudently.