Change of largest shareholder

What happened

Change of Largest Shareholder

1. Details of change Largest shareholder before change: Unicob Co., Ltd. Shares held (shares): 2,480,000 Ownership ratio (%): 11.47 Largest shareholder after change: Kim Jun-su and 1 other Shares held (shares): 1,407,500 Ownership ratio (%): 6.51

2. Reason for change: Change of largest shareholder due to sale of held shares - Change due to acquisition of forfeited shares: No - Mandatory holding period for transferred shares: No

3. Purpose of equity acquisition: Simple investment - Method of financing acquisition: Own funds (KRW) -; Borrowed funds (KRW) -; Lender -; Borrowing period - to - - Collateral details: Not applicable - Plan to appoint/dismiss officers after acquisition: -

4. Date of change: 2026-06-30 5. Date of confirmation of change: 2026-08-03

6. Other matters for reference in investment judgment 1. The largest-shareholder status before the change in this disclosure is based on the shareholder registry as of December 31, 2025; the status after the change is based on the shareholder registry as of June 30, 2026. The Company received the June 30, 2026 shareholder registry on August 3, 2026. 2. The above "4. Date of change" is the record date of the Q2 shareholder registry, and "5. Date of confirmation of change" is the date the registry was received. ※ Related disclosures: 2025-08-01 Report on Status of Large Shareholding of Stock, etc. (General); 2026-04-14 Report on Status of Large Shareholding of Stock, etc. (Abbreviated)

[Detailed change details] Glometa (formerly Unicob) / Largest shareholder before change / Before: 2,480,000 shares, 11.47% / After: 0 shares, 0% / Note: Largest shareholder before change Kim Jun-su / Largest shareholder after change / Before: 0 shares, 0% / After: 1,300,000 shares, 6.01% / Note: Largest shareholder after change Kim Seong-hu / Specially related person of largest shareholder after change / Before: 0 shares, 0% / After: 107,500 shares, 0.50% / Note: Specially related person of largest shareholder after change

[Matters concerning the largest shareholder after change (individual)] 1. Basic information: Name Kim Jun-su; Nationality Republic of Korea - Individual's officer career history: None recorded - Individual's history as largest shareholder of a listed company: None recorded 2. Relationship between the listed company and the largest shareholder (individual): Not applicable 3. Transaction history with the largest shareholder (individual) over the last 3 years (excluding routine transactions): Current year not applicable; prior year not applicable; year before that not applicable