Organoid Sciences Decides on Third-Party Rights Offering - Issuance of Convertible Preferred Shares and Grant of Call Option

Rights offering method: Issuance of convertible preferred shares via third-party allocation.
Conversion price: 23,528 won per share (initial conversion price).
Conversion period: May 8, 2027 ~ April 8, 2031.
Call option: Company or designee can call up to 30% of shares, exercisable quarterly from May 8, 2027 to May 8, 2028, at 1.0% annual compound interest.
Issuance price calculation: Premium of 2.1299% applied to base price.
Mandatory holding: All convertible preferred shares to be registered for mandatory holding for one year.