Dongbao Biotech: Accumulatively repurchased 10,573,400 shares.

Dongbao Biotechnology Announcement: As of August 31, 2025, the company has cumulatively repurchased 10.5734 million shares through the special securities account for share repurchase, accounting for 1.7812% of the current total share capital of the company. The highest transaction price was 5.71 yuan per share, the lowest transaction price was 4.59 yuan per share, and the total transaction amount was 56.1101 million yuan. This repurchase complies with the company's share repurchase plan and relevant laws and regulations.