Seres Repurchases 1.54 Million Shares on September 15 for Cancellation

SERES announced that on September 15, 2026, the company repurchased 1,540,000 ordinary shares through the Shanghai Stock Exchange, representing 0.09% of its currently issued shares (excluding treasury shares). The repurchase price ranged from RMB 45.07 to RMB 46.10 per share, with a total repurchase amount of RMB 70.3129 million. The repurchased shares are intended for cancellation. As of September 15, 2026, the company's total number of issued shares was 1,633,366,086, and the number of treasury shares was zero.