2887 Taishin & SK Financial Holding: Correction of Q1 2026 Consolidated Financial Report iXBRL Filing Information

Release Date: July 4, 2026 Statement Date: July 3, 2026 Statement Time: 16:29:56 Company Code: 2887 Company Name: Taishin & SK Financial Holding Subject: Correction Announcement of iXBRL Filing Information for the Company's Q1 2026 Consolidated Financial Report Applicable Clause: Clause 51 Factual Date: July 3, 2026

1. Factual Date: 07/03/2026 2. Company Name: Taishin & SK Financial Holding Co., Ltd. 3. Relationship with Company (Enter 'Company' or 'Subsidiary'): Company 4. Cross-shareholding Ratio: Not applicable 5. Reason for Occurrence: Correction of iXBRL filing information for the Company's Q1 2026 consolidated financial report 6. Corrected Information Item/Report Name: iXBRL / "Balance Sheet" and "Subsidiaries Included in Consolidated Financial Statements" 7. Information Before Correction/Content/Page: (1) The "Balance Sheet" did not include the column for January 1, 2025, as restated retrospectively. (2) The "Subsidiaries Included in Consolidated Financial Statements" did not include the ownership percentage at the beginning of the prior year after retrospective restatement. 8. Information After Correction/Content/Page: (1) The "Balance Sheet" has been corrected to include the column for January 1, 2025, as restated retrospectively. (2) The "Subsidiaries Included in Consolidated Financial Statements" has been corrected to include the ownership percentage at the beginning of the prior year after retrospective restatement. 9. Response Measures: The corrected content has been re-uploaded in iXBRL format. 10. Other Matters to be Disclosed: This correction is an informational update to the iXBRL filing and has no impact on the financial report.