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

What happened

Material Event Report / Matter Subject to Mandatory Exchange Disclosure To: Financial Services Commission / Korea Exchange August 3, 2026

Company name: CosLeaguer Global Co., Ltd. Representative Director: Lee Jae-gyu Head office address: Room 709, 243 Digital-ro, Guro-gu, Seoul (Guro-dong, Digital Empire City) Phone: 02-2138-5281 Website: https://www.cosleaguerglobal.com Preparer: (Title) General Manager (Name) Kang Eui-hyun (Phone) 02-2138-5281

Decision to Redeem Own Convertible Bonds Before Maturity

1. Type of bonds: Series 4, unregistered, unsecured, privately placed convertible bonds

2. Bond issuance date: December 17, 2025

3. Bond issuance method: Private placement

4. Bond maturity date: December 16, 2028

5. Total face value (electronically registered) of the bonds (KRW): 50,000,000,000

6. Face value (electronically registered) of bonds subject to acquisition (KRW): 35,000,000,000

7. Date of acquisition decision: August 3, 2026

8. Acquisition amount - Amount (KRW): 36,014,520,547 - Basis for calculation: Payment of principal and interest - (Expected) payment date: August 3, 2026 - Source of acquisition funds: Own funds

9. Acquisition method: Off-market purchase

10. Reason for early acquisition: Decision to acquire the bonds before maturity through agreement with the bondholder

11. Future handling plan: Full retirement of the acquired bond amount

12. Conversion details - Conversion ratio (%): 100 - Conversion price as of the reporting date (KRW/share): 4,565 - Type of shares to be issued upon conversion: CosLeaguer Global Co., Ltd. common shares - Number of shares: 7,667,031 - Percentage of total shares issued (%): 30.69 - Conversion request period: Start date December 17, 2026; End date November 16, 2028

13. Remaining face value (electronically registered) of the bonds after acquisition (KRW): 15,000,000,000

14. Whether subject to Fair Trade Commission reporting: Not applicable

15. Other material matters relevant to investment decisions - Of the above "8. Acquisition amount" of KRW 36,014,520,547, which includes principal and interest, the amount actually paid to the seller (the bondholder) after deducting withholding tax on interest income pursuant to applicable law is KRW 35,791,326,037. - In the above "12. Conversion details," the "conversion ratio" and "shares to be issued upon conversion" are prepared assuming that the convertible bonds to be acquired this time are converted, as of the date of the sale decision.

【Matters Concerning the Seller】 Seller name: FINTEK CO., LIMITED Relationship with the Company or largest shareholder: Largest shareholder of the largest shareholder Selection process: Bondholder of these bonds Transaction history and plans within 6 months before and after the acquisition decision: - Face value of bonds sold (KRW): 35,000,000,000 Note: -

【Where the Seller Includes the Company's Largest Shareholder or a Related Party】 Seller name: FINTEK CO., LIMITED Relationship with largest shareholder: Largest shareholder of the largest shareholder Shares held at the time of convertible bond issuance: Quantity -; Ratio (%) - Shares to be issued upon conversion: Quantity 10,952,902; Ratio (%) 38.75 Note: (*) The number and percentage of shares to be issued upon conversion relate to the total issuance amount as of the time the convertible bonds were issued.

【Where the Seller Includes a Corporation or Organization】 (1) Basic information on the corporation or organization Name: FINTEK CO., LIMITED; Number of investors: 1 Representative director (representative partner): Hong Sung Bum, 100.0% Largest shareholder (largest investor): Hong Sung Bum, 100.0%

(2) Key financial matters of the corporation or organization for the most recent fiscal year (Unit: KRW million) Fiscal year: 2024; Closing month: 03; Total assets: 31,563; Revenue: -; Total liabilities: 28,045; Net income: -221; Total equity: 3,519; External auditor: -; Paid-in capital: 6,751; Audit opinion: -