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

What happened

Material Event Report (Decision on Early Acquisition of Self-Convertible Bonds) 6.0 Nexadynamics Material Event Report / Exchange Reporting Obligation Matter Financial Services Commission / Korea Exchange Submitted on September 18, 2026

Company Name: Nexadynamics Co., Ltd. Representative Director: Lee Kang-chil Headquarters Address: 25 MTV26-ro 58-gil, Siheung-si, Gyeonggi-do (Jeongwang-dong) Telephone: 031-433-4711 Website: http://www.nexadynamics.kr Prepared by: (Title) Representative Director (Name) Lee Kang-chil (Telephone) 031-433-4711

Decision on Early Acquisition of Self-Convertible Bonds

1. Type of Bond: Series 3, Bearer-form Interest-bearing Unsecured Private Placement Convertible Bond 2. Bond Issuance Date: May 30, 2025 3. Bond Issuance Method: Private Placement 4. Bond Maturity Date: May 30, 2028 5. Total Face Value (Electronic Registration) of Bond: 15,100,000,000 won 6. Face Value (Electronic Registration) of Bond Subject to Acquisition: 3,500,000,000 won 7. Acquisition Decision Date: September 18, 2026 8. Acquisition Amount: 3,709,617,004 won. Calculation Basis: Principal and interest payment (scheduled) date September 30, 2026. Source of acquisition funds: Own funds 9. Acquisition Method: Over-the-counter purchase 10. Reason for Early Acquisition: Exercise of call option (put option right) 11. Future Handling Plan: To be determined by board of directors (resale or cancellation) 12. Matters Regarding Conversion: Conversion ratio 100%. Conversion price as of reporting date: 1,775 won per share. Type of shares to be issued upon conversion: Nexadynamics Co., Ltd. registered ordinary shares. Number of shares: 1,971,830. Ratio to total shares outstanding: 4.53%. Conversion request period start date: May 30, 2026. End date: April 30, 2028. 13. Face Value (Electronic Registration) Balance of Bond After Acquisition: 2,500,000,000 won 14. Subject to Fair Trade Commission Reporting: Not applicable 15. Other Matters for Reference in Investment Decisions: - The "Acquisition Decision Date" in item 7 above is the date of board resolution for acquisition of this bond. - The acquired bond may be cancelled or resold after early acquisition by the company, and no specific handling plan has been discussed to date. Final determination will be made through future board resolution. - The "Acquisition Amount" in item 8 above was calculated by applying a yield rate of 106.9094% and annual coupon rate of 2% (quarterly arrears) under the call option contract, and unpaid call option acquisition consideration to the face value of the bond.

Matters Regarding Sellers: Seller Name | Relationship with Company or Major Shareholder | Selection Process | Transaction Details and Plans Within 6 Months Before and After Acquisition Decision | Face Value of Bond Sold (won) | Remarks Sangsangin Savings Bank Co., Ltd. | - Bond creditor | - | 1,750,000,000 | - Sangsangin Plus Savings Bank Co., Ltd. | - Bond creditor | - | 1,750,000,000 | -