PEGBIO CO-B(02565): Zou Xinglong has been appointed as Co-Secretary of the Company, authorized representative and legal process agent.

PEGBIO CO-B (02565) announcement, Ms. Chen Wanmei (Ms. Chen) has resigned as the joint company secretary, authorized representative, and legal process agent to receive legal documents and notices on behalf of the company in Hong Kong in accordance with Rule 3.05 of the Securities and Futures Ordinance (SFO) under the Listing Rules and Section 19A.13(2) of the SFO and Part 16 of the Companies Ordinance Chapter 622, effective from August 26, 2025. The board further announces that following Ms. Chen's resignation, Mr. Zou Xinglong (Mr. Zou) has been appointed as the joint company secretary, authorized representative, and legal process agent, effective from August 26, 2025. Mr. Wong Yifeng (Mr. Wong) will continue to serve as the other joint company secretary.