Bio-Chem announced that on July 29, 2025, the company repurchased 267,900 shares of its stock through a centralized bidding method, accounting for 0.04% of the company's total share capital. The highest repurchase price was RMB 20.22 per share, and the lowest repurchase price was RMB 20.18 per share, with a total repurchase amount of RMB 5.4131 million. The repurchased shares will be used for the employee stock ownership plan or equity incentives, with a total repurchase amount not less than RMB 200 million and not exceeding RMB 400 million
