Material event report (bonus issue)

What happened

Material Event Report (Decision on Bonus Issue) [Form version] 6.0

Yujin Technology Co., Ltd.

Material Event Report / Korea Exchange Disclosure Obligation To the Financial Services Commission / Korea Exchange July 13, 2026

Company name: Yujin Technology Co., Ltd. CEO: Yeo Hyeon-guk, Lee Mi-yeon Head office address: 42, 2sunhwan-ro 742beon-gil, Heungdeok-gu, Cheongju-si, Chungcheongbuk-do (Phone) 043-237-1113 (Website) http://www.yujintechnology.com Preparer: (Title) Executive Director (Name) Lee Gyeong-ho (Phone) 043-237-1113

Decision on Bonus Issue

1. Type and number of new shares: common shares (shares) 1,371,259; other shares (shares) - 2. Par value per share (KRW): 500 3. Total shares issued before the capital increase: common shares (shares) 6,928,151; other shares (shares) - 4. Record date for new-share allotment: July 30, 2026 5. Number of new shares allotted per share: common shares (shares) 0.2; other shares (shares) - 6. Dividend record date for new shares: January 1, 2026 7. Scheduled date for delivery of new share certificates: - 8. Scheduled listing date of new shares: August 25, 2026 9. Board resolution date (decision date): July 13, 2026 Outside directors present: 0; absent: 1 Auditor (audit committee member) present: Present 10. Other matters material to investment decisions 1) Bonus-issue allotment details (Unit: shares) Category: Total shares issued before the bonus issue; Bonus-issue allotment; Total shares issued after the bonus issue Common shares (excluding treasury shares): 6,856,295; 1,371,259; 8,227,554 Common shares (treasury shares): 71,856; -; 71,856 Total: 6,928,151; 1,371,259; 8,299,410 2) Amount and source of funds capitalized: capital surplus (share premium) KRW 685,629,500 3) Method of allotment of new shares and treatment of fractional shares: new shares will be allotted at a ratio of 0.2 shares per share held (20%) to shareholders registered in the register of shareholders (excluding treasury shares) as of the new-share record date of July 30, 2026, and resulting fractional shares will be paid in cash based on the closing price on the first day of listing of the new shares. 4) Item "7. Scheduled date for delivery of new share certificates" above is omitted as not applicable due to the implementation of the electronic securities system. 5) Item "8. Scheduled listing date of new shares" above may change through consultation with relevant institutions, and other detailed matters related to the new-share issuance have been delegated to the CEO.

Matters concerning other shares: Articles of incorporation basis -; nature of the shares -; other -