Acter Corp. (6139) corrects Q1 2026 financial report XBRL filing; auditor opinion changed to 'qualified'

Announcement Date: 2026/05/16 Statement Date: 2026/05/15 Statement Time: 16:34:02 Company Code: 6139 Company Name: Acter Corp. Subject: Correction of Q1 2026 consolidated financial report XBRL filing - Auditor's audit report opinion changed from unqualified to qualified. Compliance clause: Article 51 Date of occurrence: 2026/05/15 Explanation: 1. Date of occurrence: 2026/05/15 2. Company name: Acter Engineering Corp. 3. Relationship with company: The company itself. 4. Mutual shareholding ratio: 100%. 5. Reason for occurrence: Incorrect selection of audit opinion type. 6. Corrected item/report name: 2026 Q1 consolidated financial report - Auditor's audit report. 7. Content before correction: Unqualified opinion. 8. Content after correction: Qualified opinion (Non-material subsidiary or equity method investment not audited or reviewed by CPA, etc.). 9. Response: Released major information and re-uploaded to the Market Observation Post System. 10. Other notes: None.