Material event report (decision to sell own convertible bonds)

What happened

Material Event Report (Decision to Sell Own Convertible Bonds) 6.0 Hyper Corporation Co., Ltd. Material Event Report / Korea Exchange Disclosure Obligation To: Financial Services Commission / Korea Exchange July 16, 2026 Company name: Hyper Corporation Co., Ltd. CEO: Lee Sang-seok, An Eun-cheol Head office address: 15F, Doosan Building, 726 Eonju-ro, Gangnam-gu, Seoul Phone: 02-6388-0720 Website: http://www.hyper-corp.com Preparer: Team Leader, Si Seong-ho, Phone: 02-6388-0720

Decision to Sell Own Convertible Bonds

1. Type of bonds: Series 16, unregistered unsecured interest-bearing privately placed convertible bonds 2. Bond issuance date: 2025.07.25 3. Bond issuance method: Private placement 4. Bond maturity date: 2028.07.25 5. Total face value (electronically registered) of the bonds (KRW): 20,000,000,000 6. Details of early acquisition of the bonds to be sold Face value (electronically registered) of the bonds to be sold (KRW): 9,500,000,000 Acquisition amount (KRW): 9,882,066,954 Acquisition background: Acquisition dates: 2026.02.06, 2026.04.20, 2026.05.08; Reason for acquisition: Early acquisition by separate agreement with the bondholder 7. Sale decision date: July 16, 2026 8. Sale amount: Amount (KRW): 9,500,000,000; Basis of calculation: Determined through negotiation with the buyer 9. Expected date of receipt of sale proceeds: July 16, 2026 10. Purpose of sale: Substitute payment for funds to acquire shares of another company 11. Matters concerning conversion: Conversion ratio (%): 100; Conversion price as of the reporting date (KRW/share): 3,712; Type of shares to be issued upon conversion: Hyper Corporation registered common shares; Number of shares: 2,559,267; Ratio to total shares (%): 18.95; Conversion request period - Start: 2026.07.25; End: 2028.06.25 12. Whether subject to reporting to the Fair Trade Commission: Not applicable 13. Other matters for reference in investment decisions: 1) This disclosure concerns the resale of KRW 9,500,000,000 (face value) of the Series 16 unregistered interest-bearing unsecured privately placed convertible bonds that the company acquired early on 2026.02.06, 2026.04.20, and 2026.05.08. 2) The above bonds to be sold are for substitute payment of the purchase price under the material event report (decision to acquire equity and equity-linked securities of another company) disclosed on 2026.07.16; there will be no separate receipt of sale proceeds, and the "9. Expected date of receipt of sale proceeds" above is the date of substitute payment for these bonds. 3) In "Matters concerning conversion," the ratio to total shares was calculated based on the total number of voting shares issued as of the sale decision date, including the shares to be issued upon this conversion. 4) The above bonds to be sold are scheduled to be delivered in a first installment of KRW 9.0 billion on July 16, 2026 and a second installment of KRW 500 million on July 27, 2026. 5) Matters concerning the early redemption request right (Put Option): The bondholder of these bonds may request early redemption of all or part of the electronically registered amount of these bonds on July 25, 2026, which is one year from the issuance date of these bonds, and on each monthly anniversary thereafter (each, an "Early Redemption Payment Date"); provided, however, that if an Early Redemption Payment Date is not a business day, the next business day shall be the Early Redemption Payment Date, and no interest shall accrue for the period after the original Early Redemption Payment Date.

(1) Early Redemption Payment Dates and Request Amounts No. / Early redemption request period (From / To) / Early redemption payment date / Early redemption rate (%) 1st: 2026-06-05 to 2026-06-25 / 2026-07-25 / 106.0000 2nd: 2026-07-06 to 2026-07-27 / 2026-08-25 / 106.5160 3rd: 2026-08-06 to 2026-08-26 / 2026-09-25 / 107.0344 4th: 2026-09-05 to 2026-09-28 / 2026-10-25 / 107.5554 5th: 2026-10-06 to 2026-10-26 / 2026-11-25 / 108.0790 6th: 2026-11-05 to 2026-11-25 / 2026-12-25 / 108.6050 7th: 2026-12-06 to 2026-12-28 / 2027-01-25 / 109.1337 8th: 2027-01-06 to 2027-01-26 / 2027-02-25 / 109.6649 9th: 2027-02-03 to 2027-02-23 / 2027-03-25 / 110.1987 10th: 2027-03-06 to 2027-03-26 / 2027-04-25 / 110.7351 11th: 2027-04-05 to 2027-04-25 / 2027-05-25 / 111.2741 12th: 2027-05-06 to 2027-05-26 / 2027-06-25 / 111.8157 13th: 2027-06-05 to 2027-06-25 / 2027-07-25 / 112.3600 14th: 2027-07-06 to 2027-07-26 / 2027-08-25 / 112.9069 15th: 2027-08-06 to 2027-08-26 / 2027-09-25 / 113.4565 16th: 2027-09-05 to 2027-09-27 / 2027-10-25 / 114.0088 17th: 2027-10-06 to 2027-10-26 / 2027-11-25 / 114.5637 18th: 2027-11-05 to 2027-11-25 / 2027-12-25 / 115.1213 19th: 2027-12-06 to 2027-12-28 / 2028-01-25 / 115.6817 20th: 2028-01-06 to 2028-01-31 / 2028-02-25 / 116.2448 21st: 2028-02-04 to 2028-02-24 / 2028-03-25 / 116.8106 22nd: 2028-03-06 to 2028-03-27 / 2028-04-25 / 117.3792 23rd: 2028-04-05 to 2028-04-25 / 2028-05-25 / 117.9505 24th: 2028-05-06 to 2028-05-26 / 2028-06-25 / 118.5247

(2) Place for early redemption requests: Head office of the issuing company (3) Place for early redemption payment: Kookmin Bank, Hakdong Branch (4) Early redemption request period: The bondholder must submit the early redemption request to the issuing company between 50 days and 30 days before the early redemption payment date; however, if the end date of the request period is not a business day, it is extended to the next business day. (5) Early redemption request procedure: A bondholder wishing to exercise the early redemption right who holds the bonds electronically registered in a customer account must request early redemption to the Korea Securities Depository through the account management institution with which they trade; if the bonds are electronically registered in the bondholder's own account, the bondholder requests early redemption directly to the Korea Securities Depository, and the Korea Securities Depository compiles these and requests early redemption at the place of request.

[Matters Concerning the Buyer] Buyer name: Oh Young-woo Relationship with the company or largest shareholder: - Background of selection: Agreed to make substitute payment of the transfer price for shares of another company using these convertible bonds Transaction history and plans within 6 months before and after the sale decision: 1. Transaction history: Transfer of shares of another company on 2026.07.16; 2. Transaction plan: No separate transaction plan. Face value of bonds purchased (KRW): 9,500,000,000 Remarks: -