Tranche Update on Shanghai CEO Environmental Protection Technology Co., Ltd's Equity Buyback Plan announced on August 22, 2023.

From October 1, 2023 to December 31, 2023, the company has repurchased 2,660,000 shares, representing 1.8% for CNY 35.23 million. With this, the company has completed the repurchase of 2,660,000 shares, representing 1.8% for CNY 35.23 million under the buyback announced on August 22, 2023.