Change of largest shareholder

What happened

Hanyang Digitech / Change of largest shareholder / (2026.07.20) Change of largest shareholder

Change of largest shareholder 1. Details of change Largest shareholder before change: Kim Hyeong-yuk and 6 others; number of shares held (shares): 8,192,348; ownership ratio (%): 53.74 Largest shareholder after change: Kim Yun-sang and 5 others; number of shares held (shares): 8,192,348; ownership ratio (%): 53.74 2. Reason for change: change due to the death of largest shareholder Kim Hyeong-yuk - Whether the change is due to acquisition of forfeited shares: no - Whether the transferred shares are subject to a mandatory holding period: no 3. Purpose of the equity acquisition: - - Method of financing the acquisition: own funds (KRW) -; borrowed funds (KRW) -; lender -; borrowing period - to -; collateral details - - Plan for appointment/dismissal of officers after the acquisition: - 4. Change date: 2026-07-20 5. Date change confirmed: 2026-07-20 6. Other matters for reference in investment decisions Following completion of the inheritance procedure after the death of the former largest shareholder and representative director Kim Hyeong-yuk, the largest shareholder group changed from Kim Hyeong-yuk and 6 others to Kim Yun-sang and 5 others. Related disclosure: -

[Detailed changes] Name (corporate name, partnership name, or other entity name) / relationship / before change / after change / remarks (shares; ownership ratio %) Kim Hyeong-yuk: largest shareholder before change; 3,653,931 shares, 23.97% -> 0 shares, 0%; deceased Kim Yun-sang: largest shareholder after change; 2,030,396 shares, 13.32% -> 5,684,327 shares, 37.29%; inherited (+3,653,931 shares) Kim Beom-sang: related party of largest shareholder after change; 732,873 shares, 4.81% -> 732,873 shares, 4.81%; - Hong Ok-saeng: related party of largest shareholder after change; 1,719,188 shares, 11.28% -> 1,719,188 shares, 11.28%; - Kim Ji-hoon: related party of largest shareholder after change; 20,560 shares, 0.13% -> 20,560 shares, 0.13%; - Kim Kang-min: related party of largest shareholder after change; 20,540 shares, 0.13% -> 20,540 shares, 0.13%; - Shim Hyo-seon: related party of largest shareholder after change; 14,860 shares, 0.10% -> 14,860 shares, 0.10%; -

[Matters concerning the largest shareholder after the change (individual)] 1. Basic information of the individual Name: Kim Yun-sang Nationality: Republic of Korea - Officer history of the individual Kim Yun-sang / Hanyang Digitech Co., Ltd. / listed (KOSDAQ) / - / Representative Director / joined 2009-02-01 / left - / - Kim Yun-sang / Hanyang Eng Co., Ltd. / listed (KOSDAQ) / - / Head of Management Support / joined 2015-02-01 / left - / - Kim Yun-sang / Hanyang Eng Co., Ltd. / listed (KOSDAQ) / - / Co-Representative Director / joined 2024-03-25 / left - / - - History as largest shareholder of listed companies Kim Yun-sang / Hanyang Digitech Co., Ltd. / listed (KOSDAQ) / - / largest shareholder from 2009-02-25 to - / - Kim Yun-sang / Hanyang Eng Co., Ltd. / listed (KOSDAQ) / - / largest shareholder from 2000-08-29 to - / - 2. Relationship between the listed company and the largest shareholder (individual): Representative Director (in-house director) 3. Transactions between the listed company and the largest shareholder (individual) over the most recent 3 years (excluding routine transactions) Current year: - Prior year: - Year before that: -