Jinbo Biology: completed the repurchase of 500,000 shares.

Jinbo Biology Announcement: The company held a board meeting on April 9, 2026, and approved the share repurchase plan through centralized competitive trading. The repurchase period shall not exceed 3 months from the date of the board's approval of the repurchase plan, i.e., from April 9, 2026, to June 5, 2026. As of June 5, 2026, the company repurchased 500,000 shares through a special securities account for share repurchase through continuous competitive trading, accounting for 0.43% of the total share capital of the company, reaching the maximum planned repurchase quantity of 100%. The highest transaction price was 180 yuan/share, the lowest transaction price was 152.88 yuan/share, and the total amount paid was 81,715,800 yuan, accounting for 54.48% of the total planned repurchase amount of the company.