Change of largest shareholder

What happened

Motivelink / Change of largest shareholder / (2026.07.16) Change of largest shareholder

Change of largest shareholder

1. Details of the change Largest shareholder before the change: SDY Co., Ltd. and 3 others; Number of shares held: 6,629,355; Ownership ratio (%): 53.5 Largest shareholder after the change: Dongyang ENP Co., Ltd. and 2 others; Number of shares held: 6,629,355; Ownership ratio (%): 53.5

2. Reason for the change: Completion of performance of the share transfer agreement accompanying the change of largest shareholder - Whether the change results from the acquisition of forfeited shares: No - Whether the transferred shares are subject to a mandatory holding period: No

3. Purpose of the equity acquisition: Enhancement of corporate value through securing management control and creating business synergies - Method of funding the acquisition: Own funds (KRW): 29,048,517,000; Borrowed funds (KRW): -; Lender: -; Borrowing period: - to -; Collateral details: - - Plan for appointment/dismissal of executives after the acquisition: -

4. Date of change: 2026-07-16

5. Date of confirmation of change: 2026-07-16

6. Other matters for reference in investment decisions - The "ownership ratio (%)" in "1. Details of the change" above was calculated based on the Company's total issued shares of 12,390,358 shares. - The "4. Date of change" and "5. Date of confirmation of change" above are the transaction closing date under the performance of the share transfer agreement accompanying the change of largest shareholder. - In the "Detailed change" table below, Kim Yeon-jun and Kim Hyeong-jun are related parties of the CEO of the largest shareholder before the change (SDY Co., Ltd.) and of the CEO of the largest shareholder after the change (Dongyang ENP Co., Ltd.).

* Related disclosures 2026-07-15 Execution of a share transfer agreement accompanying a change of largest shareholder 2026-07-02 Execution of a share transfer agreement accompanying a change of largest shareholder 2026-06-15 Report on executives'/major shareholders' trading plan for specified securities 2026-06-15 Report on executives'/major shareholders' trading plan for specified securities

[Detailed change] Name (corporation/partnership/other entity): Relationship; Before the change - shares held, ownership (%); After the change - shares held, ownership (%); Note SDY Co., Ltd.: Largest shareholder before the change; Before: 2,871,077 shares, 23.17%; After: -, -; Note: - Shin Dongyang Holdings Co., Ltd.: Related party of the largest shareholder before the change; Before: 2,508,278 shares, 20.24%; After: -, -; Note: - Kim Yeon-jun: Related party of the largest shareholder before the change; Before: 625,000 shares, 5.04%; After: 625,000 shares, 5.04%; Note: related party of the largest shareholder after the change Kim Hyeong-jun: Related party of the largest shareholder before the change; Before: 625,000 shares, 5.04%; After: 625,000 shares, 5.04%; Note: related party of the largest shareholder after the change Dongyang ENP Co., Ltd.: Largest shareholder after the change; Before: -, -; After: 5,379,355 shares, 43.41%; Note: -

[Matters relating to the largest shareholder after the change (general corporation)] 1. Basic information on the corporation Corporate name: Dongyang ENP Co., Ltd.; Nationality: Republic of Korea; Address (head office location) [down to town/township/district level]: Jinwi-myeon, Pyeongtaek-si, Gyeonggi-do; Corporate registration number: 134811-0004870 Main business: Manufacture and sale of SMPS (switched-mode power supplies)

- Status and equity information of the largest shareholder/CEO/representative executive officer Category: Largest shareholder; Name: SDY Co., Ltd.; Shares held: 1,549,287; Ownership (%): 20.52 Category: CEO; Name: Kim Jae-man; Shares held: 9,189; Ownership (%): 0.12

- Executive career of the largest shareholder/CEO/representative executive officer Name: Kim Jae-man; Company: Dongyang ENP Co., Ltd.; Listing status: Listed (KOSDAQ); Delisting date (if delisted): -; Position: CEO; Date joined: 2010-04-01; Date left: -; Note: - Name: Kim Jae-man; Company: SDY Co., Ltd.; Listing status: Unlisted; Delisting date: -; Position: CEO; Date joined: 2014-02-28; Date left: -; Note: - Name: Kim Jae-man; Company: Shin Dongyang Holdings Co., Ltd.; Listing status: Unlisted; Delisting date: -; Position: CEO; Date joined: 2011-10-26; Date left: -; Note: -

- History as largest shareholder of a listed company for the largest shareholder/CEO/representative executive officer Name: -; Company: -; Listing status: -; Delisting date: -; Period as largest shareholder - start date: -, end date: -; Note: -

2. Key financial matters, etc. (Unit: KRW million) Applicable fiscal year: Fiscal year 2025, settled in December Total assets: 536,293 Capital stock: 3,930 Total liabilities: 91,214 Revenue: 596,475 Total equity: 445,078 Net income (loss): 59,451 External auditor: Daesung Accounting Corporation Whether in business suspension: No Audit opinion: Unqualified (fair presentation) Whether closed down: No

3. Relationship with the listed company - Relationship between the listed company and the largest shareholder (corporation): Largest shareholder - Relationship between the listed company's executives, etc. and the largest shareholder (corporation) Name: Kim Gi-han; Position: CEO; Relationship with the largest shareholder (corporation): - Name: Kim Tae-ha; Position: Director; Relationship: - Name: Kim Gi-yeon; Position: Director; Relationship: Related party Name: Kim Ryong; Position: Outside director; Relationship: - Name: Hong Jun; Position: Outside director; Relationship: - Name: Na Jong-yun; Position: Auditor; Relationship: -

4. Transactions between the listed company and the largest shareholder (corporation) over the most recent 3 years (excluding routine transactions) Category: Transaction details Current year: - Previous year: - Year before that: -