Seven-color Chemistry: Actual controller Xu Huixiang supplements the pledge of 500,000 shares of stock.

Rainbow Chemicals announced that the company's actual controller, Xu Huixiang, will conduct a supplementary pledge of 500,000 shares at Zheshang Securities on July 21, 2026, accounting for 1.09% of the shares held and 0.13% of the total share capital of the company. The release date of the pledge is September 23, 2026. As of the disclosure date of the announcement, the controlling shareholder and its concerted parties have pledged a total of 68.09 million shares, accounting for 44.08% of their total holdings and 17.06% of the total share capital of the company. Currently, the pledge risk is controllable and will not have a significant impact on the company.