Rainbow Chemicals: Completed the cancellation of 6.923 million shares.

Rainbow Chemicals announcement, completed cancellation of 6.923 million shares, accounting for 1.71% of the total share capital before the repurchase and cancellation. The actual repurchase amount is 78.9898 million yuan. After the completion of this repurchase and cancellation of shares, the total share capital of the company will change from 406 million shares to 399 million shares.