Rainbow Chemicals: Due to the repurchase cancellation, the shareholding ratio of Beijing Fengyan has passively increased to 5.01%.

Rainbow Chemical announced that on March 17, 2026, the company implemented a repurchase of shares, reducing the total number of shares from 406,038,596 to 399,115,632. Beijing Fengyan Xinhong 2 Private Equity Securities Investment Fund's holding quantity remained the same, but its holding percentage increased from 4.93% to 5.01%, making it a shareholder with more than 5% of the shares. This change in equity will not lead to a change in the controlling shareholder or the actual controller of the company, and will not affect the company's governance structure and ongoing operations.