Tranche Update on Qingdao Huicheng Environmental Technology Group Co., Ltd.'s Equity Buyback Plan announced on February 7, 2024.

From February 6, 2024 to March 31, 2024, the company has repurchased 964,355 shares, representing 0.71% for CNY 36.73 million. With this, the company has completed the repurchase of 964,355 shares, representing 0.71% for CNY 36.73 million under the buyback announced on February 7, 2024.