Change of largest shareholder

What happened

KM / Change of Largest Shareholder / (2026.07.08) Change of Largest Shareholder

Change of Largest Shareholder

1. Details of change Before change: Largest shareholder group: Shin Byeong-sun and 8 others; shares held: 4,377,200; ownership ratio: 32.29% After change: Largest shareholder group: Shin Ji-hoon and 8 others; shares held: 4,377,200; ownership ratio: 32.29%

2. Reason for change: Change of largest shareholder within the group of related parties due to a gift between the existing largest shareholder and a related party - Donor: Shin Byeong-sun (2,193,888 shares) - Donees: Shin Ji-hoon (1,096,944 shares), Shin Seung-hoon (1,096,944 shares) - Whether the change arose from acquisition of forfeited shares: No - Whether the transferred shares are subject to a mandatory holding period: No

3. Purpose of equity acquisition: - - Method of financing the acquisition: Own funds (KRW) -; Borrowed funds (KRW) - - Lender: -; Borrowing period: - to - - Collateral details: - - Plan to appoint/dismiss officers after the acquisition: -

4. Date of change: 2026-07-08 5. Date of confirmation of change: 2026-07-08

6. Other matters for investors' reference - This disclosure concerns a change of the largest shareholder within the group of related parties due to a gift between the existing largest shareholder and a related party; there is no change in the number of shares held or the ownership ratio of the largest shareholder group. - The ownership ratios (%) stated in "1. Details of change" above and the "Detailed change breakdown" below are calculated based on total issued shares of 13,556,165. - The "4. Date of change" and "5. Date of confirmation of change" above are the date of the gift.

Related disclosures: 2026-06-08 Report on trading plan for specified securities by executives/major shareholders 2026-06-08 Report on trading plan for specified securities by executives/major shareholders 2026-05-11 Report on substantial shareholding of shares, etc. (general)

Detailed change breakdown (name / relationship / shares before change (ratio %) / shares after change (ratio %) / note): Shin Byeong-sun: Largest shareholder before change; before: 2,693,887 shares (19.87%); after: 499,999 shares (3.69%); Note: Donor (related party of the largest shareholder after the change) Shin Ji-hoon: Largest shareholder after change; before: 833,377 shares (6.15%); after: 1,930,321 shares (14.24%); Note: Donee (the largest shareholder after the change, himself) Shin Seung-hoon: Related party of the largest shareholder before change; before: 771,507 shares (5.69%); after: 1,868,451 shares (13.78%); Note: Donee (related party of the largest shareholder after the change) Nam Hyo-tak: Related party of the largest shareholder before change; before: 43,162 shares (0.32%); after: 43,162 shares (0.32%); Note: Related party of the largest shareholder after the change Jo Jeon-su: Related party of the largest shareholder before change; before: 22,629 shares (0.17%); after: 22,629 shares (0.17%); Note: Related party of the largest shareholder after the change An Byeong-ho: Related party of the largest shareholder before change; before: 138 shares (0.00%); after: 138 shares (0.00%); Note: Related party of the largest shareholder after the change Lee Dae-chun: Related party of the largest shareholder before change; before: 402 shares (0.00%); after: 402 shares (0.00%); Note: Related party of the largest shareholder after the change Park In-gwon: Related party of the largest shareholder before change; before: 11,048 shares (0.08%); after: 11,048 shares (0.08%); Note: Related party of the largest shareholder after the change Hong Gi-jun: Related party of the largest shareholder before change; before: 1,050 shares (0.01%); after: 1,050 shares (0.01%); Note: Related party of the largest shareholder after the change