Change of largest shareholder

What happened

JK Synapse / Change of largest shareholder / (2026.07.28) Change of largest shareholder

Change of Largest Shareholder 1. Change details: Largest shareholder before the change: MH Tech Co., Ltd.; Shares held: 1,530,054; Ownership (%): 13.59 / Largest shareholder after the change: Hyurim Robot Co., Ltd.; Shares held: 3,099,173; Ownership (%): 21.58 2. Reason for change: Change of largest shareholder due to a third-party-placement rights offering - Whether the change resulted from the acquisition of forfeited shares: No - Whether the transferred shares are subject to a mandatory holding period: Yes 3. Purpose of acquiring the stake: Participation in management - Method of financing the acquisition: Own funds (KRW) 2,999,999,464; Borrowings (KRW): -; Lender: -; Borrowing period: - to -; Collateral details: - - Plan for appointing/dismissing officers after the acquisition: To be appointed through an extraordinary general shareholders' meeting 4. Change date: 2026-07-28 5. Date the change was confirmed: 2026-07-28 6. Other matters for reference in investment decisions - The "ownership (%) before the change" in Item 1 above is based on 11,260,098 shares outstanding. - The "ownership (%) after the change" in Item 1 above is stated including the expected number of new shares to be issued upon completion of payment for the third-party-placement rights offering. - The new shares issued through this rights offering (third-party placement) will be held under a mandatory holding period of 1 year at the Korea Securities Depository. - The "change date" in Item 4 and the "date the change was confirmed" in Item 5 above are the payment date of the rights offering.

Related disclosures: -

[Detailed change information] Name (corporation/association/other organization name): MH Tech Co., Ltd., Relationship: Largest shareholder before the change; Shares before change: 1,530,054; Ownership before change (%): 13.59; Shares after change: 1,530,054; Ownership after change (%): 10.66; Remarks: - Name: Hyurim Robot Co., Ltd., Relationship: Largest shareholder after the change; Shares before change: -; Ownership before change (%): -; Shares after change: 3,099,173; Ownership after change (%): 21.58; Remarks: -

[Matters relating to the new largest shareholder (where a general corporation)] 1. Basic corporate information Corporate name: Hyurim Robot Co., Ltd.; Nationality: Republic of Korea; Address (head office, stated only to the level of town/township/neighborhood): Jiksan-eup, Seobuk-gu, Cheonan-si, Chungcheongnam-do; Corporate registration number: 110111-1817828 Main business: Industrial robots, intelligent robots, and e-commerce

Largest shareholder, CEO and chief executive officer status and ownership information: Category: Largest shareholder; Name: Hyurim Holdings Co., Ltd.; Shares held: 1,037,710; Ownership (%): 0.87 Category: CEO; Name: Kim Bong-kwan; Shares held: 31,676; Ownership (%): 0.03

Officer career history of the largest shareholder, CEO and chief executive officer: Name: Kim Bong-kwan; Company: Hyurim Infra Investment Association; Listed: -; Delisting date (if delisted): -; Position: Lead partner; Joining date: 2021-09-30; Leaving date: -; Remarks: - Name: Kim Bong-kwan; Company: Hyurim KSD Co., Ltd.; Listed: Unlisted; Delisting date: -; Position: In-house director; Joining date: 2023-07-06; Leaving date: -; Remarks: - Name: Kim Bong-kwan; Company: EQCELL Co., Ltd.; Listed: Delisted (KOSDAQ); Delisting date: 2025-02-14; Position: CEO; Joining date: 2024-11-12; Leaving date: -; Remarks: - Name: Kim Bong-kwan; Company: Hyurim A-Tech Co., Ltd.; Listed: Listed (KOSDAQ); Delisting date: -; Position: In-house director; Joining date: 2026-03-27; Leaving date: -; Remarks: -

History as largest shareholder of a listed company: Name: Hyurim Robot Co., Ltd.; Company: Hyurim A-Tech Co., Ltd.; Listed: Listed (KOSDAQ); Delisting date: -; Period as largest shareholder: Start date 2022-05-19, End date: -; Remarks: -

2. Key financial information (Unit: KRW million) Fiscal year: Fiscal year 2025, period ended December Total assets: 276,740 Capital: 59,728 Total liabilities: 73,446 Revenue: 168,304 Total equity: 203,293 Net income (loss): -30,079 External auditor: Samduk Accounting Corporation Whether in business suspension: No Audit opinion: Unqualified (fairly presented) Whether closed down: No

3. Relationship with the listed company in question - Relationship between the listed company and the largest shareholder (corporation): - - Relationship between officers of the listed company and the largest shareholder (corporation): Name: -; Relationship with the largest shareholder (corporation): -

4. Transaction history between the listed company and the largest shareholder (corporation) over the last 3 years (excluding routine transactions) Category: Transaction details Current year: 2026.03.23, cash borrowing of KRW 2 billion; 2026.03.24, repayment of the KRW 2 billion borrowing Prior year: 2025.06.09, received a KRW 500 million down payment on the sale of its stake in Sonidritec Co., Ltd. Year before that: -