Rainbow Chemicals: Shareholder Huang Weishan reduces his holdings of the company's shares by 0.9851%.

Rainbow Chemical Announcement: Shareholder Huang Weishan, holding more than 5% of the shares, will reduce the company's shares by 4 million shares through centralized bidding trading from March 10, 2025 to May 13, 2025, accounting for 0.9851% of the total share capital of the company and 1.0000% of the share capital after excluding repurchase accounts. After the reduction, Huang Weishan holds 19.9292 million shares of the company, accounting for 4.9082% of the total share capital of the company and 4.9933% of the share capital after excluding repurchase accounts. This reduction plan is consistent with previous disclosures and does not violate relevant laws, regulations, and normative documents.