Botai Biotechnology: Yu Xiuping and its concerted actors holding proportion of shares decreased to 55.61%

Botu Biological Announcement: The company's actual controller, Ms. Yu Xiuping, reduced her shareholding in the company by a total of 3.6366 million shares through centralized bidding and block trading, accounting for 2.44% of the current total share capital of the company. The total number of shares held by Yu Xiuping and her concerted parties decreased from 86.688 million shares to 83.0514 million shares, representing a decrease from 58.05% to 55.61% of the total share capital of the company. This equity change does not violate any commitments, intentions, or plans made, and does not trigger the obligation to make a mandatory tender offer.