Early redemption of convertible bonds (incl. overseas CBs)

What happened

AITECH / Acquisition of Convertible Bonds (Including Overseas Convertible Bonds) Before Maturity After Issuance / (2026.09.18)

Acquisition of Convertible Bonds (Including Overseas Convertible Bonds) Before Maturity After Issuance Convertible Bonds (Overseas Convertible Bonds) - 5th Series

1. Matters Concerning Pre-Maturity Acquisition of Bonds Type of Bond: Bearer-type, Interest-bearing, Unsecured, Private Placement Convertible Bond Issue Date: 2024-04-11 Issue Method: Domestic Issuance (Private Placement) Conversion Price per Share (KRW): 5,765 Maturity Date: 2027-04-11

2. Bond Acquisition Amount Currency: KRW (South Korean Won) Total Face Value (Electronic Registration) of Acquired Bonds: 400,000,000 KRW Benchmark Exchange Rate: - Acquisition Date: 2026-09-18 Total Acquisition Amount: 430,740,000 KRW

3. Total Face Value (Electronic Registration) of Bonds After Acquisition Currency: KRW (South Korean Won) Amount: 2,000,000,000 KRW

4. Reason for Pre-Maturity Acquisition and Future Treatment Method 1. Reason for Pre-Maturity Acquisition: Pre-maturity bond acquisition by agreement with the bondholder 2. Future Treatment Method: To be determined by the Board of Directors at a later date

5. Source of Acquisition Funds Own funds

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

7. Other Matters for Reference in Investment Decision - The conversion price per share of the convertible bonds in Section 1 above is the conversion price adjusted on August 11, 2026. - The bond acquisition amount in Section 2 above is the acquisition amount including principal.

Related Disclosures: 2024-04-11 Convertible Bond Issuance Decision (5th Series) 2024-04-11 Securities Issuance Results (Voluntary Disclosure) 2026-08-11 Adjustment of Conversion Price