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 4, 2026

Company name: Satoshi Holdings Co., Ltd. Representative Directors: Hong Sang-hyuk, Yoo Byung-gil (Co-CEOs) Head office address: 5 Seolleung-ro 135-gil, Gangnam-gu, Seoul (Nonhyeon-dong) Phone: 02-3012-0033 Website: http://satoshi.holdings Preparer: (Title) Representative Director (Name) Hong Sang-hyuk (Phone) 070-4211-0750

Decision to Redeem Own Convertible Bonds Before Maturity

1. Type of bonds: Series 13, unregistered, interest-coupon, unsecured, privately placed convertible bonds

2. Bond issuance date: June 30, 2026

3. Bond issuance method: Private placement

4. Bond maturity date: June 30, 2029

5. Total face value (electronically registered) of the bonds (KRW): 10,000,000,000

6. Face value (electronically registered) of bonds subject to acquisition (KRW): 2,000,000,000

7. Date of acquisition decision: August 4, 2026

8. Acquisition amount - Amount (KRW): 2,036,489,892 - Basis for calculation: Payment of principal and interest - (Expected) payment date: August 4, 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 bondholders

11. Future handling plan: Scheduled for resale

12. Conversion details - Conversion ratio (%): 100 - Conversion price as of the reporting date (KRW/share): 5,247 - Type of shares to be issued upon conversion: Satoshi Holdings Co., Ltd. registered common shares - Number of shares: 381,170 - Percentage of total shares issued (%): 6.82 - Conversion request period: Start date June 30, 2027; End date May 31, 2029

13. Remaining face value (electronically registered) of the bonds after acquisition (KRW): 10,000,000,000

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

15. Other material matters relevant to investment decisions - The above acquisition amount includes principal and interest. - The above acquisition decision date is the board resolution date, and the (expected) payment date is the actual bond acquisition date. - The above percentage of shares to be issued upon conversion relative to total shares issued is the number of shares to be issued and the percentage of total shares issued if the convertible bonds to be acquired this time are converted. - The bonds the Company comes to hold as a result of this acquisition are planned to be resold to a related party or a third party; details will be disclosed separately.

【Matters Concerning the Sellers】 Seller name: Sangsangin Savings Bank; Relationship with the Company or largest shareholder: -; Selection process: Bondholder of these bonds; Transaction history and plans within 6 months before and after the acquisition decision: Acquired the Series 13 CB; Face value of bonds sold (KRW): 1,000,000,000; Note: - Seller name: Sangsangin Plus Savings Bank; Relationship with the Company or largest shareholder: -; Selection process: Bondholder of these bonds; Transaction history and plans within 6 months before and after the acquisition decision: Acquired the Series 13 CB; Face value of bonds sold (KRW): 1,000,000,000; Note: -