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

What happened

Material Event Report / Korea Exchange Mandatory Disclosure, submitted to the Financial Services Commission / Korea Exchange, dated August 4, 2026. Company: i-Scream Edu Co., Ltd. CEO: Lee Jae-jun. Head office: 16 Maeheon-ro, Seocho-gu, Seoul (Yangjae-dong). Tel: 02-1544-0910. Website: http://www.i-screamedu.co.kr. Preparer: CFO Lee Kyung-jae, Tel: 02-1544-0910.

Decision to Acquire Own Convertible Bonds Before Maturity

1. Type of bonds: Series 2; bearer, interest-bearing, unsecured, privately placed convertible bonds. 2. Bond issuance date: April 11, 2025. 3. Issuance method: private placement. 4. Bond maturity date: April 11, 2030. 5. Total face (electronically registered) amount of the bonds (KRW): 8,500,000,000. 6. Face (electronically registered) amount of bonds to be acquired (KRW): 5,500,000,000. 7. Acquisition decision date: August 4, 2026. 8. Acquisition amount: KRW 5,720,442,400. Basis: principal and interest; expected payment date August 4, 2026; source of acquisition funds: own funds. 9. Acquisition method: over-the-counter purchase. 10. Reason for acquisition before maturity: bondholders' exercise of their early-redemption (put) option. 11. Future handling plan: to be decided by the board. 12. Conversion details: conversion ratio 100%; conversion price as of the report date KRW 1,757 per share; type of shares to be issued on conversion: i-Scream Edu Co., Ltd. registered common shares; number of shares 3,130,335; ratio to total shares outstanding 22.45%; conversion request period: from April 11, 2026 to March 11, 2030. 13. Face (electronically registered) balance of the bonds after acquisition (KRW): 3,000,000,000. 14. Subject to Fair Trade Commission reporting: not applicable. 15. Other matters for investors' reference: The conversion price as of the report date in Item 12 reflects the conversion-price adjustment made on June 11, 2026. See the "Adjustment of Conversion Price" disclosure published June 11, 2026 for details.

[Seller details] Seller name: Susung Asset Management Co., Ltd. Relationship to the company or largest shareholder: none. Selection background: holder of these bonds. Face value of bonds sold: KRW 2,500,000,000. Note: none. Seller name: Orion Asset Management Co., Ltd. Relationship: none. Selection background: holder of these bonds. Face value of bonds sold: KRW 1,000,000,000. Note: none. Seller name: Life Asset Management Co., Ltd. Relationship: none. Selection background: holder of these bonds. Face value of bonds sold: KRW 1,000,000,000. Note: none. Seller name: Shinyoung Securities Co., Ltd. Relationship: none. Selection background: holder of these bonds. Face value of bonds sold: KRW 500,000,000. Note: none. Seller name: CS Advisors Co., Ltd. Relationship: none. Selection background: holder of these bonds. Face value of bonds sold: KRW 500,000,000. Note: none.