Treasury share disposal: results report

What happened

Treasury Share Disposal Results Report 6.2

RFHIC Co., Ltd. Treasury Share Disposal Results Report

To the Governor of the Financial Supervisory Service August 18, 2026

Company name: RFHIC Co., Ltd. CEO: Jo Deok-su Head office address: 110, Gwacheon-daero 12-gil, Gwacheon-si, Gyeonggi-do (Phone) 031-8069-3000 (Website) http://www.rfhic.com Preparer: (Title) Head of Management Division; (Name) Kim Ju-hyeon; (Phone) 031-8069-3000

1. Name and address of the issuer (a) Name: RFHIC Co., Ltd. (b) Address: 110, Gwacheon-daero 12-gil, Gwacheon-si, Gyeonggi-do

2. Details of the disposal report (a) Date of material event report submission: August 11, 2026 (b) Disposal period: From August 12, 2026 to August 12, 2026 (c) Type and number of shares reported for disposal: 47,900 RFHIC Co., Ltd. registered common shares (treasury shares)

3. Disposal details (Unit: KRW, shares) Date: August 12, 2026; Type: Common shares; Disposed quantity: 47,900; Disposal target: Executives/employees eligible for restricted stock units (RSUs) Total: Disposed quantity 47,900

4. Whether the disposal report details match the actual disposal Planned disposal shares (common, shares): 47,900; Actual total disposed shares (common, shares): 47,900; Match: Match; Reason for any difference: -

5. Treasury share holding status after disposal [As of August 18, 2026] (Unit: KRW, shares, %) Common shares - Holdings under Article 165-3 of the Act (A): Quantity 196,893; Ratio 0.74; Total value 3,760,707,992 Common shares - Holdings under trust contracts etc. under Article 165-3 of the Act (B): Quantity -; Ratio -; Contract amount - Common shares - Total (A+B): Quantity 196,893; Ratio 0.74; Amount 3,760,707,992 Total - (A+B): Quantity 196,893; Ratio 0.74; Amount 3,760,707,992

(Note 1) The above "ratio" is the ratio to total shares issued. (Note 2) As of the report submission date (August 18, 2026), total shares issued were 26,575,442 shares.