Tranche Update on Guangzhou Jointas Chemical Co., Ltd.'s Equity Buyback Plan announced on December 13, 2018.

From December 12, 2018 to December 31, 2018, the company has repurchased 1,080,000 shares, representing 0.64% for CNY 12.89 million. With this, the company has completed the repurchase of 1,080,000 shares, representing 0.64% for CNY 12.89 million under the buyback announced on December 13, 2018.