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

What happened

Material event report (decision to redeem own convertible bonds before maturity) 6.0 Hyper Corporation Material event report / Korea Exchange disclosure obligation To: Financial Services Commission / Korea Exchange Date: August 27, 2026 Company name: Hyper Corporation Representative directors: Lee Sang-seok, An Eun-cheol Head office: 15F, Doosan Building, 726 Eonju-ro, Gangnam-gu, Seoul (Tel) 02-6388-0720 (Website) http://www.hyper-corp.com Preparer: (Title) Team Leader (Name) Si Seong-ho (Tel) 02-6388-0720

Decision to redeem own convertible bonds before maturity

1. Type of bond: 15th series, unregistered unsecured interest-bearing privately placed convertible bonds 2. Bond issuance date: July 25, 2025 3. Issuance method: private placement 4. Bond maturity date: July 25, 2028 5. Total face value (book-entry) of the bond (KRW): 20,000,000,000 6. Face value (book-entry) of bonds to be acquired (KRW): 1,500,000,000 7. Acquisition decision date: August 27, 2026 8. Acquisition amount (KRW): 1,598,653,647; basis: principal and interest; payment (expected) date: August 27, 2026; source of acquisition funds: own funds and borrowings 9. Acquisition method: over-the-counter purchase 10. Reason for acquisition before maturity: separate agreement with the bondholder 11. Future handling plan: method to be decided by future board resolution 12. Conversion matters: conversion ratio 100%; conversion price as of reporting date (KRW/share) 3,712; class of shares to be issued: Hyper Corporation registered common shares; number of shares 404,095; ratio to total shares outstanding 3.69%; conversion request period: start July 25, 2026, end June 25, 2028 13. Remaining face value (book-entry) of the bond after acquisition (KRW): 7,500,000,000 14. Subject to Fair Trade Commission reporting: not applicable 15. Other material matters relevant to investment decisions: the acquisition amount above includes principal and interest; the acquisition decision date is the board resolution date, and the payment (expected) date is the actual bond-acquisition date.

[Seller particulars] Seller: Seok Bong-sang; relationship with the company or largest shareholder: unregistered officer / bondholder; selection process -; transactions within 6 months before/after the decision -; face value of bonds sold (KRW) 1,500,000,000; note -

[Where the seller includes the largest shareholder or a related party] Seller: Seok Bong-sang; relationship with largest shareholder: unregistered officer; shares held at CB issuance: -; shares to be issued on conversion: quantity -, ratio -; note -