Material event report (decision to redeem own convertible bonds early)

What happened

Material Event Report (Decision to Acquire Own Convertible Bonds Before Maturity) Woori Technology Incorporation Material Event Report / Korea Exchange Reporting Obligation To the Financial Services Commission / Korea Exchange September 30, 2026

Company name: Woori Technology Incorporation CEO: Noh Gap-sun Head office: 9 World Cup buk-ro 56-gil, Mapo-gu, Seoul (Sangam-dong, Woori Technology Building) Tel: 02-2102-5100 Website: http://www.wooritg.com Preparer: CEO Noh Gap-sun, Tel 02-2102-5100

Decision to Acquire Own Convertible Bonds Before Maturity

1. Type of bond: Series 17, unregistered bonds with coupon, unsecured private-placement convertible bonds 2. Bond issuance date: April 30, 2025 3. Bond issuance method: Private placement 4. Bond maturity date: April 30, 2030 5. Total face value (electronically registered) (KRW): 5,000,000,000 6. Face value (electronically registered) of bonds subject to acquisition (KRW): 3,500,000,000 7. Acquisition decision date: September 30, 2026 8. Acquisition amount Amount (KRW): 3,651,595,500 Basis for calculation / (expected) principal and interest payment date: September 30, 2026 Source of acquisition funds: Own funds

9. Acquisition method: Over-the-counter purchase 10. Reason for acquisition before maturity: Exercise of sale request right (call option) 11. Future handling plan: Cancellation of registered bonds with the Korea Securities Depository 12. Conversion details Conversion ratio (%): 100 Conversion price as of report date (KRW/share): 1,965 Type of shares to be issued upon conversion: Woori Technology Incorporation registered common shares Number of shares: 1,781,170 Ratio to total shares outstanding (%): 1.03 Conversion request period: Start date April 30, 2026; End date March 30, 2030

13. Remaining face value (electronically registered) of bonds after acquisition (KRW): 500,000,000 14. Whether subject to Fair Trade Commission reporting: Not applicable 15. Other matters material to investment decisions - The amount in "8. Acquisition amount" above was calculated by applying a yield of 104,3313% (as stated in the filing; apparently 104.3313%) under the agreement on the call option to the face value of the bond.

[Matters Concerning the Seller] Seller: Mott High Yield General Private Investment Trust No. 1; Relationship with the company or largest shareholder: -; Basis for selection: Bondholder of this bond; Transaction history and plans within 6 months before/after the acquisition decision: -; Face value of bonds sold (KRW): 3,500,000,000; Note: -