上海凯赛生物技术股份有限公司关于股份回购进展公告

Group 1 - The company has approved a share repurchase plan with a total fund amount between RMB 10 million and RMB 20 million, with a maximum repurchase price of RMB 67 per share, valid for 12 months from the board's approval date [1] - As of August 31, 2025, the company has repurchased 230,366 shares, accounting for 0.0319% of the total share capital, with a total expenditure of RMB 10,497,716.71, at a price range of RMB 44.08 to RMB 53.40 per share [2] - The company will continue to make repurchase decisions based on market conditions and will fulfill its information disclosure obligations regarding the progress of the share repurchase [3]