Tranche Update on Changzhou Architectural Research Institute Group Co.,Ltd's Equity Buyback Plan announced on December 15, 2023.

From December 13, 2023 to December 31, 2023, the company has repurchased 320,711 shares, representing 0.18% for CNY 5.56 million. With this, the company has completed the repurchase of 320,711 shares, representing 0.18% for CNY 5.56 million under the buyback announced on December 15, 2023.