Seres Repurchases 4.81 Million Shares in July for RMB 260 Million; Cumulative Buyback Exceeds RMB 587 Million

Seres released its share repurchase progress announcement on the evening of August 3, 2026, disclosing buyback activity through July 31, 2026. In July 2026, the company repurchased 4.8101 million shares through centralized bidding on the Shanghai Stock Exchange, representing 0.28% of total share capital. The highest repurchase price was RMB 56.30 per share and the lowest was RMB 52.08 per share, with total payment of approximately RMB 260 million excluding transaction fees.

As of July 31, 2026, Seres had cumulatively repurchased approximately 8.9755 million shares, or 0.52% of total share capital. The cumulative highest repurchase price was RMB 91 per share and the lowest was RMB 52.08 per share, with cumulative payments exceeding RMB 587 million excluding transaction fees.

The buyback plan was first disclosed on March 31, 2026, and approved at the 2025 annual shareholders' meeting on April 22. Under the plan, the company intends to repurchase A-shares using no less than RMB 1 billion and no more than RMB 2 billion of its own funds through centralized bidding, at a maximum repurchase price of RMB 150 per share, over a 12-month implementation period. The repurchased shares are intended to reduce the company's registered capital.