JACOBIO-B (01167) announced that from September 1 to September 3, 2025, members of the company's persons acting in concert continued to purchase a total of 402,000 company shares on the open market at an average price of HK$10.16 per share. Following this increase in shareholding, as of the date of this announcement, the persons acting in concert collectively hold 201,157,285 company shares, representing approximately 25.41% of the company's total issued shares. The aforementioned members of the persons acting in concert expressed full confidence in the company's overall development prospects, growth potential, and the long-term investment value of its shares. Subject to compliance with applicable laws and regulatory requirements, they do not exclude the possibility of further increasing their holdings in the company's shares at appropriate times.