Tranche Update on Hengyi Petrochemical Co., Ltd.'s Equity Buyback Plan announced on October 28, 2021.

From October 27, 2021 to December 31, 2021, the company has repurchased 19,808,990 shares, representing 0.55% for CNY 208.16 million. With this, the company has completed the repurchase of 19,808,990 shares, representing 0.55% for CNY 208.16 million under the buyback announced on October 28, 2021.