Tranche Update on Jiangsu Zhengdan Chemical Industry Co., Ltd.'s Equity Buyback Plan announced on February 8, 2024.

From February 7, 2024 to March 31, 2024, the company has repurchased 3,983,512 shares, representing 0.82% for CNY 13.62 million. With this, the company has completed the repurchase of 3,983,512 shares, representing 0.82% for CNY 13.62 million under the buyback announced on February 8, 2024.