Early redemption of convertible bonds (incl. overseas CBs)

What happened

Precision Biosensor / Early Redemption of Convertible Bonds (Incl. Overseas CBs) Before Maturity / (2026.08.18) Early Redemption of Convertible Bonds (Incl. Overseas CBs) Before Maturity

Acquisition of Convertible Bonds (Incl. Overseas CBs) Before Maturity After Issuance Convertible Bonds (Incl. Overseas CBs), 2nd Series

1. Details of Bonds Acquired Before Maturity Type of Bonds: Unregistered, coupon-bearing, unsecured, privately placed convertible bonds Issue Date: 2023-11-15 Issuance Method: Domestic issuance (private placement) Conversion Price per Share (KRW): 3,540 Maturity Date: 2028-11-15

2. Bond Acquisition Amount (Currency Unit): 3,039,859,200 KRW: South-Korean Won - Total Face Value (Electronically Registered) of Bonds Acquired (Currency Unit): 2,800,000,000 KRW: South-Korean Won - Applicable Exchange Rate: - - Acquisition Date: 2026-08-18

3. Total Face Value (Electronically Registered) of Bonds After Acquisition (Currency Unit): 0 KRW: South-Korean Won

4. Reason for Acquisition Before Maturity and Future Handling - Reason for Acquisition: Acquisition of the bond before maturity following the bondholder's exercise of the early redemption right - Future Handling: Scheduled for cancellation of the registered bond with the Korea Securities Depository

5. Source of Acquisition Funds: Own funds

6. Method of Bond Acquisition: Over-the-counter purchase

7. Other Matters for Investment Reference - The above "Conversion Price per Share (KRW)" is the amount as adjusted following the rights offering issuance on November 4, 2025. - The above "Acquisition Date" is the date the bond acquisition amount was paid. - The above "Total Face Value (Electronically Registered) of Bonds After Acquisition" reflects this acquisition.

* Related Disclosures 2023-11-13 Decision to Issue Convertible Bonds (2nd Series) 2023-11-14 Decision to Issue Convertible Bonds (2nd Series) 2023-11-15 Securities Issuance Results (Voluntary) 2024-06-17 Adjustment of Conversion Price (2nd Series) 2024-12-16 Adjustment of Conversion Price 2025-11-17 Early Redemption of Convertible Bonds (Incl. Overseas CBs) Before Maturity 2026-02-19 Early Redemption of Convertible Bonds (Incl. Overseas CBs) Before Maturity 2026-05-15 Early Redemption of Convertible Bonds (Incl. Overseas CBs) Before Maturity