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康欣新材料股份有限公司 关于控股股东首次增持公司股份暨增持计划的进展公告

Group 1 - The core point of the announcement is that the controlling shareholder of Kangxin New Materials Co., Ltd., Wuxi Construction Development Investment Co., Ltd., plans to increase its shareholding in the company through a stock buyback program, with a total investment amount between RMB 26.9 million and RMB 53.79 million [2][5]. - The buyback plan is set to commence on April 10, 2025, and will last for 12 months, with the funding sourced from Wuxi Construction Development's own funds [2][5]. - As of the implementation of the buyback plan, Wuxi Construction Development held 516,902,585 shares, accounting for 38.44% of the company's total share capital [4]. Group 2 - On April 29, 2025, Wuxi Construction Development executed its first buyback, acquiring 387,800 shares, which is approximately 0.03% of the total share capital, for a total amount of RMB 775,600 (excluding transaction fees) [6]. - Following this transaction, Wuxi Construction Development's total shareholding increased to 517,290,385 shares, representing 38.47% of the company's total share capital [6]. - The company will continue to fulfill its commitment to the buyback plan and will disclose information in accordance with relevant regulations [6].