洪汇新材：截至2025年8月15日前十大流通股东持股占比54.3%

Group 1 - The core revenue composition of Honghui New Materials for the year 2024 is entirely from chlorinated vinyl copolymer resin, accounting for 100.0% of its operating income [1] Group 2 - Honghui New Materials announced on August 19 that it will hold the second meeting of the sixth board of directors on August 15, 2025, to review the proposal for a share repurchase plan through centralized bidding [3] - The top ten unrestricted shareholders before August 15, 2025, include Wuxi Xigang Qixing Technology Partnership (Limited Partnership) with approximately 54.67 million shares, accounting for 36.27% of the total shares [3] - Other significant shareholders include Xiang Hongwei with about 10.4 million shares (6.9%), and the asset management plan of China Merchants Securities with approximately 5.85 million shares (3.88%) [3] - The total shares held by the top ten circulating shareholders amount to approximately 81.84 million shares, representing 54.3% of the total shares [3]