Tranche Update on Beijing Sanlian Hope Shin-Gosen Technical Service Co., Ltd.'s Equity Buyback Plan announced on February 15, 2022.

From February 15, 2022 to March 31, 2022, the company has repurchased 1,438,300 shares, representing 0.45% for CNY 26.49 million. With this, the company has completed the repurchase of 1,438,300 shares, representing 0.45% for CNY 26.49 million under the buyback announced on February 15, 2022.