Shanghai Petrochemical announced that on November 11, 2026, the company repurchased 1,010,000 shares of common stock through the Hong Kong Stock Exchange. The repurchase price range was HK$1.20 to HK$1.22 per share. The total payment amount was HK$1,216,200, and all of the shares repurchased were cancelled. The repurchase is based on the repurchase authorization granted by the shareholders' meeting on June 26, 2026. The maximum number of shares the company can repurchase under this authorization is 321 million shares. Up to now, 4.32 million shares have been repurchased, accounting for 0.134% of the shares issued on the authorization date. Within 30 days after the repurchase, the company shall not issue new shares or sell or transfer treasury shares without approval from the Stock Exchange.

Shanghai Petrochemical announced that on November 11, 2026, the company repurchased 1,010,000 shares of common stock through the Hong Kong Stock Exchange. The repurchase price range was HK$1.20 to HK$1.22 per share. The total payment amount was HK$1,216,200, and all of the shares repurchased were cancelled. The repurchase is based on the repurchase authorization granted by the shareholders' meeting on June 26, 2026. The maximum number of shares the company can repurchase under this authorization is 321 million shares. Up to now, 4.32 million shares have been repurchased, accounting for 0.134% of the shares issued on the authorization date. Within 30 days after the repurchase, the company shall not issue new shares or sell or transfer treasury shares without approval from the Stock Exchange.