Tranche Update on Ningbo Bohui Chemical Technology Co.,Ltd's Equity Buyback Plan announced on October 28, 2022.

From October 28, 2022 to December 31, 2022, the company has repurchased 709,849 shares, representing 0.29% for CNY 10.77 million. With this, the company has completed the repurchase of 709,849 shares, representing 0.29% for CNY 10.77 million under the buyback announced on October 28, 2022.