Tranche Update on Shanghai Geoharbour Construction Group Co., Ltd.'s Equity Buyback Plan announced on March 9, 2023.

From March 8, 2023 to March 31, 2023, the company has repurchased 1,502,600 shares, representing 0.87% for CNY 46.65 million. With this, the company has completed the repurchase of 1,502,600 shares, representing 0.87% for CNY 46.65 million under the buyback announced on March 9, 2023.