Change of largest shareholder

What happened

Korea United Pharm / Change of Largest Shareholder / (2026.08.11) Change of Largest Shareholder

Change of Largest Shareholder

1. Details of change Before: Largest shareholder Kang Deok-young and 15 others; shares held 6,617,910; ownership 41.59% After: Largest shareholder Kang Won-ho and 15 others; shares held 6,617,910; ownership 41.59%

2. Reason for change: Change of largest shareholder due to a gift from the former largest shareholder - Donor: Kang Deok-young, 800,000 shares - Donee: Kang Won-ho, 800,000 shares

3. Purpose of the equity acquisition: - - Source of funds for acquisition: - - Plans for appointment/dismissal of officers after acquisition: -

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

6. Other important matters for investment decisions - This disclosure concerns a change of largest shareholder arising from a gift between the former largest shareholder and a related party; there is no change in the number of shares, the number of persons, or the composition of the largest-shareholder group. - The ownership ratios above are of total voting shares issued. - The date of change and date of confirmation above are the account-transfer date for the gift.

Related disclosures: 2026-08-11 Report of change in shares held by the largest shareholder, etc. (upon change of largest shareholder)

Detailed changes (Name; Relationship; Shares before (ratio); Shares after (ratio); Note): Kang Deok-young; former largest shareholder; 2,484,089 shares (15.61%); 1,684,089 shares (10.58%); the former largest shareholder himself Kang Won-ho; new largest shareholder; 2,083,400 shares (13.09%); 2,883,400 shares (18.12%); son of the former largest shareholder Park Kyung-hye; related party of new largest shareholder; 10,200 shares (0.06%); 10,200 shares (0.06%); wife of the former largest shareholder Kang Ye-na; related party of new largest shareholder; 10,200 shares (0.06%); 10,200 shares (0.06%); daughter of the former largest shareholder Kang Won-il; related party of new largest shareholder; 10,577 shares (0.07%); 10,577 shares (0.07%); son of the former largest shareholder Jeong Yu-na; related party of new largest shareholder; 6,298 shares (0.04%); 6,298 shares (0.04%); daughter-in-law of the former largest shareholder Kim Hyeong-rae; related party of new largest shareholder; 28,000 shares (0.18%); 28,000 shares (0.18%); executive of the issuer Kim Gwi-ja; related party of new largest shareholder; 53,123 shares (0.33%); 53,123 shares (0.33%); executive of the issuer Jeong Won-tae; related party of new largest shareholder; 20,500 shares (0.13%); 20,500 shares (0.13%); executive of the issuer Lee Hye-jeong; related party of new largest shareholder; 7,061 shares (0.04%); 7,061 shares (0.04%); executive of an affiliate Seong Min-su; related party of new largest shareholder; 23,712 shares (0.15%); 23,712 shares (0.15%); executive of an affiliate Interpharm Co., Ltd.; related party of new largest shareholder; 16,000 shares (0.10%); 16,000 shares (0.10%); affiliate Korea Biochem Pharm Co., Ltd.; related party of new largest shareholder; 535,750 shares (3.37%); 535,750 shares (3.37%); affiliate Caleb Multilab Co., Ltd.; related party of new largest shareholder; 16,000 shares (0.10%); 16,000 shares (0.10%); affiliate UMS Engineering Co., Ltd.; related party of new largest shareholder; 3,000 shares (0.02%); 3,000 shares (0.02%); affiliate United Culture Foundation; related party of new largest shareholder; 1,310,000 shares (8.23%); 1,310,000 shares (8.23%); foundation