Tranche Update on Changzhou Architectural Research Institute Group Co.,Ltd's Equity Buyback Plan announced on March 4, 2024.

From March 4, 2024 to March 31, 2024, the company has repurchased 146,700 shares, representing 0.08% for CNY 2.37 million. With this, the company has completed the repurchase of 146,700 shares, representing 0.08% for CNY 2.37 million under the buyback announced on March 4, 2024.