Petrochemical oil service sector: A-shares stocks' consecutive three-day closing price deviation has accumulated by more than 20%.

Petrochemical Oil Service announced that the closing price of the company's A-shares has deviated by more than 20% for three consecutive trading days in 2026, which is considered abnormal volatility. Through self-inspection and inquiries with the controlling shareholders and actual controllers, the company and its subsidiaries are operating normally, with no major adjustments in market conditions or industry policies, and costs and sales have not fluctuated significantly. As of the date of the announcement, the company, controlling shareholders, and actual controllers have not failed to disclose any major undisclosed matters, and no media reports or market rumors affecting the stock price have been found. During the abnormal trading period, related personnel did not buy or sell company stocks. Investors are reminded to pay attention to trading risks.