Ricoh Bio-B (02179): Election of Xu Haoyu as Chairman

Zhitong Finance App News, Recobiotic-B (02179) issued an announcement. The company's board of directors received Dr. Liu Yong's resignation report on December 22, 2025. In order to further improve the level of corporate governance and plan to spend more time on other work, Dr. Liu Yong resigned as Chairman of the Company and Chairman of the Board Nomination Committee, effective from the date the board of directors elected the new chairman. Dr. Liu Yong will continue to serve as the company's executive director and general manager, and will fully preside over the company's production and operation management. The board of directors is pleased to announce that the board of directors elected Mr. Xu Haoyu as the chairman of the second board of directors of the company at the board meeting held on December 23, 2025. The term of office will begin on the date of review and approval by the board of directors and end on the date the term of the second board of directors expires.

In view of the fact that the company has received Dr. Liu Yong's resignation report, according to the relevant provisions of the listing rules, the “People's Republic of China Company Law”, “Listed Company Governance Guidelines”, “Articles of Association” and “Board Nomination Committee Work Rules”, the board of directors elected Professor GAO Feng as the chairman of the second board nomination committee at the board meeting held on December 23, 2025, and elected Ms. Wang Jing as a member of the second board nomination committee. Professor GAO Feng and Ms. Wang Jing's term of office begins on the date of review and approval by the board of directors and ends on the date of expiration of the second board of directors.