Treasury share disposal: results report

What happened

Treasury Share Disposal Results Report / Daishin Securities Co., Ltd.

To the Governor of the Financial Supervisory Service July 8, 2026 Company name: Daishin Securities Co., Ltd. CEO: Jin Seung-wook Head office: Daishin Finance Center, 343 Samil-daero, Jung-gu, Seoul Phone: 1588-4488; Website: http://www.daishin.com Preparer: Title Head of Management Planning Division, Name Jeong Min-wook, Phone 02-769-2924

1. Name and address of issuer a. Name: Daishin Securities Co., Ltd. b. Address: Daishin Finance Center, 343 Samil-daero, Jung-gu, Seoul

2. Disposal report details a. Material event report filing date: June 19, 2026 b. Disposal period: July 8, 2026 to July 8, 2026 c. Type and number of shares disposed of: Common shares, 500,000 shares

3. Disposal details (Unit: KRW, shares) July 8, 2026: Common shares; order 500,000, disposed 500,000; price per share KRW 29,700; total disposal value KRW 14,850,000,000; counterparty Daishin Securities Employee Stock Ownership Association; brokerage Daishin Securities (00110893) Total: disposed 500,000; price per share KRW 29,700; total disposal value KRW 14,850,000,000 Note 1: For details, see the Material Event Report (Treasury Share Disposal Decision) disclosed on 2026.06.19.

4. Whether the disposal report matches the actual disposal Common shares: planned for disposal 500,000, other -; actual disposed common 500,000, other -; Match: Match; Reason for difference: -

5. Treasury shares held after disposal [as of July 8, 2026] (Unit: KRW, shares, %) Common shares: (A) quantity 8,682,722, ratio 18.2%, total value KRW 124,306,415,208; (B) -; Total (A+B): quantity 8,682,722, ratio 18.2%, amount KRW 124,306,415,208 Other shares: (A) quantity 4,020,000, ratio 10.1%, total value KRW 29,057,147,522; (B) -; Total (A+B): quantity 4,020,000, ratio 10.1%, amount KRW 29,057,147,522 Total: quantity 12,702,722, ratio 14.5%, total value KRW 153,363,562,730; Total (A+B): quantity 12,702,722, ratio 14.5%, amount KRW 153,363,562,730

Note 1: The total ratio is the ratio of total shares held to the combined issued common and other shares. Note 2: "Other shares" includes preferred shares and other (redeemable convertible preferred) shares. Note 3: The table above reflects the retirement of 1,553,637 common shares and 1,005,000 other shares (1st and 2nd preferred shares), consistent with the "Decision on Share Retirement" disclosed on 2026.06.19.