Change of largest shareholder

What happened

SK eternix / Change of Largest Shareholder / (2026.08.11) Change of Largest Shareholder

Change of Largest Shareholder

1. Details of change Before: Largest shareholder SK Discovery Co., Ltd. and 1 other; shares held 10,473,343; ownership 30.74% After: Largest shareholder Eclipse Co., Ltd. and 1 other; shares held 14,698,798; ownership 43.15%

2. Reason for change - Change of largest shareholder as Eclipse Co., Ltd. completed, on 2026-08-11, the acquisition of 10,455,825 shares held by SK Discovery Co., Ltd. and 4,225,455 shares held by Hahn & Co. W.P. Holdings LLC (14,681,280 shares held in total) - As the new largest shareholder, Eclipse Co., Ltd., reaffirmed confidence in the company's CEO (Kim Hae-jung), his shareholding (17,518 shares) is included in the new largest-shareholder group

3. Purpose of the equity acquisition: Management participation - Source of funds for acquisition: Own funds - Plans for appointment/dismissal of officers after acquisition: (a) At the extraordinary general meeting of shareholders on 2026-07-28, 2 new non-executive directors were appointed: Masahiko Kato and Abhishek Sharma (this approval takes effect upon closing of the share purchase agreement dated 2026-03-06 between the former and new largest shareholders; closing date: 2026-08-11) (b) On 2026-08-11, 2 incumbent non-executive directors resigned: Nam Ki-jung and Kim Jae-min

4. Date of change: 2026-08-11 5. Date change confirmed: 2026-08-11

6. Other important matters for investment decisions - The date of change and date of confirmation above are the closing date of the share purchase agreement effecting the change of largest shareholder

Related disclosures: 2026-07-28 Results of extraordinary general meeting of shareholders

Detailed changes (Name; Relationship; Shares before (ratio); Shares after (ratio); Note): SK Discovery Co., Ltd.; former largest shareholder; 10,455,825 shares (30.69%); - ; - Kim Hae-jung; related party of new largest shareholder; 17,518 shares (0.05%) before and after; executive of the issuer Eclipse Co., Ltd.; new largest shareholder; -; 14,681,280 shares (43.10%); -