[L&K Engineering] Correction of Q1 2026 Consolidated Financial Report XBRL Filing - CPA Audit Opinion Changed from Unqualified to Qualified

1. Date of occurrence: 2026/05/15 2. Company name: L&K Engineering Co., Ltd. 3. Relationship to the Company: Head Office 4. Reciprocal shareholding ratio: 100% 5. Cause of occurrence: Checkbox error regarding the type of financial report opinion. 6. Corrected information item/report name: Q1 2026 Consolidated Financial Report - CPA Audit Report. 7. Content before correction: Q1 2026 Consolidated Financial Report - CPA Audit Report - Unqualified Opinion. 8. Content after correction: Q1 2026 Consolidated Financial Report - CPA Audit Report - Qualified Opinion (Non-material subsidiary or equity-method investee not audited or reviewed by CPA, others). 9. Countermeasures: Re-upload to the Market Observation Post System after issuing the material message. 10. Other matters to specify: None.