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

What happened

Material event report / Matters subject to KRX reporting obligation To: Financial Services Commission / Korea Exchange Date: July 27, 2026

Company name: Hyper Corporation Co-CEOs: Lee Sang-seok, An Eun-cheol Head office: 15F, Doosan Building, 726 Eonju-ro, Gangnam-gu, Seoul Phone: 02-6388-0720 Website: http://www.hyper-corp.com Preparer: (Title) Team Leader (Name) Si Seong-ho (Phone) 02-6388-0720

Decision to redeem own convertible bonds before maturity

1. Type of bonds Series: 16 Type: Unregistered, unsecured, interest-bearing private placement convertible bonds

2. Bond issue date: July 25, 2025 3. Bond issuance method: Private placement 4. Bond maturity date: July 25, 2028 5. Total face (electronically registered) amount of bonds (KRW): 20,000,000,000 6. Face (electronically registered) amount of bonds to be acquired (KRW): 1,000,000,000 7. Acquisition decision date: July 27, 2026

8. Acquisition amount Amount (KRW): 1,065,160,000 Basis for calculation: Principal and interest Payment (scheduled) date: August 25, 2026 Source of acquisition funds: Own funds

9. Acquisition method: Over-the-counter purchase 10. Reason for acquisition before maturity: Exercise of the bondholder's put option 11. Future handling plan: Handling method to be decided via future board resolution

12. Matters relating to conversion Conversion ratio (%): 100 Conversion price as of the report date (KRW/share): 3,712 Type of shares to be issued upon conversion: Hyper Corporation registered common shares Number of shares: 269,396 Ratio to total shares outstanding (%): 2.40 Conversion request period: Start date July 25, 2026; End date June 25, 2028

13. Remaining face (electronically registered) balance of bonds after acquisition (KRW): - 14. Subject to Fair Trade Commission reporting: Not applicable 15. Other matters for reference in investment decisions: - The above bond acquisition amount includes both principal and interest. - The above acquisition decision date is the date on which the Korea Securities Depository received the bondholder's early redemption (put option) request, and the payment (scheduled) date is the actual bond acquisition date.

[Matters relating to the seller] Seller name: - Relationship with the company or largest shareholder: - Selection process: - Transaction history and plans within 6 months before/after the acquisition decision: - Face amount of bonds sold (KRW): - Remarks: -