: For the first time, repurchased 0.0344% of the company's shares, and has paid 2000.4 million yuan.

Rongchang Biological announced that on January 20, 2026, the company repurchased 194,100 shares for the first time through the Shanghai Stock Exchange trading system using the centralized bidding trading method, accounting for 0.0344% of the company's total share capital of 564 million shares. The highest repurchase price was 103.78 yuan per share, and the lowest price was 102.17 yuan per share, with a total amount paid of 20.04 million yuan. As of January 20, 2026, the company has repurchased a total of 194,100 shares through the Shanghai Stock Exchange trading system using the centralized bidding trading method, accounting for 0.0344% of the total share capital of the company. The highest repurchase price was 103.78 yuan per share, the lowest price was 102.17 yuan per share, and the total amount paid was 20.04 million yuan. The company's share repurchase this time has reached the lower limit of the repurchase amount and has not exceeded the upper limit, and the repurchase plan has been completed.