Jieta Biotech: Implemented share repurchase, has spent 4.9714 million yuan to repurchase 0.19% of shares.

Jiete Biotechnology announced that the company held a board meeting on December 29, 2025, to approve a proposal to repurchase shares through centralized competitive trading. The repurchase will be used for employee stock ownership plans or equity incentives, with an estimated amount of 15 to 30 million yuan, at a price not exceeding 25.32 yuan per share, with a deadline of December 29, 2026. On January 28, 2026, the company repurchased 272,800 shares for the first time, accounting for 0.19% of the total share capital, at a transaction price of 18.05 to 18.43 yuan per share, with funds totaling 4.9714 million yuan.