YZYBIO-B(02496): Wang Tao is elected as a staff representative supervisor.

YZYBIO-B(02496) Announcement: Mr. Zhang Jing has resigned from the position of employee representative supervisor of the company due to personal career development reasons, effective from September 18, 2025. Dr. Wang Tao, Executive Director of the R&D Platform Department of the company, was democratically elected as the employee representative supervisor of the second board of supervisors on September 18, 2025. Dr. Wang Tao's term will be effective from September 18, 2025, and will expire at the end of the second board of supervisors' tenure.