SINOPEC SSC (01033) A-shares stock trading abnormal fluctuations, there is no significant information that should be disclosed but has not been disclosed.

SINOPEC SSC (01033) announced that the closing price of the company's A shares deviated by more than 20% for three consecutive trading days on October 20, 21, and 22, 2025. According to the relevant provisions of the Shanghai Stock Exchange trading rules, this is considered abnormal stock trading volatility. The company has conducted a self-inspection and written inquiry to the controlling shareholder and actual controller, and as of the date of this announcement, it is confirmed that there is no material information that should be disclosed but has not been disclosed by the company, its controlling shareholder, or actual controller. The company's stock price has recently experienced significant fluctuations, investors are advised to pay attention to the risks of secondary market trading, make rational decisions, and invest cautiously.