华熙生物科技股份有限公司关于控股股东增持股份进展暨增持金额过半的公告

Group 1 - The controlling shareholder of Huaxi Biological Technology Co., Ltd., Huaxi Xinyu Investment Co., Ltd., plans to increase its shareholding in the company, with a minimum investment of RMB 200 million and a maximum of RMB 300 million, starting from August 8, 2025, for a period of six months [2] - As of August 29, 2025, Huaxi Xinyu has already acquired 2,117,690 shares, representing 0.44% of the total share capital, with a total investment amounting to RMB 122,326,228.05, exceeding 50% of the lower limit of the planned investment [2] - The share buyback plan is still ongoing, and Huaxi Xinyu will continue to purchase shares according to the established plan [2][5] Group 2 - The announcement confirms that the shareholding increase will not lead to a change in the controlling shareholder or actual controller of the company [4] - The company will continue to monitor the progress of the share buyback and fulfill its information disclosure obligations as required by the China Securities Regulatory Commission and the Shanghai Stock Exchange [5]