Announcement on behalf of Amaran the resignation of director

Announcement on behalf of Amaran the retirement of Chairperson of the Board and General Manager

OBI receives US FDA Orphan Drug Designation for OBI-902 TROP2 ADC for the treatment of gastric cancer

Announcement of the Company’s record date of capital reduction, record date of share replacement, and related operational plan

OBI receives US FDA Orphan Drug Designation for OBI-902 TROP2 ADC for the treatment of Cholangiocarcinoma

OBI is invited to present the current development status of its products and technology platforms at the investor conference hosted by MasterLink

Announcement of BOD’s resolution to lift the non-competition restrictions for managerial officers

Announcement that the cumulative reduction of shareholding in major subsidiary, OBIGEN Pharma, has reached more than 10%

Announcement of Change in the Company’s Certified Public Accountant Due to Internal Adjustment of the Accounting Firm

Announcement of the Consolidated Financial Statements for the third quarter of 2025 were approved by the Board of Directors