2231 Wei Sheng Announces Board Approval of Auditor Change

Release Date: August 12, 2026 Statement Date: August 11, 2026 Statement Time: 15:32:18 Company Code: 2231 Company Name: Wei Sheng Subject: Announcement of Board Approval to Change Auditors Applicable Clause: Clause 7 Factual Event Date: August 11, 2026

Details: 1. Board Approval Date (Factual Event Date): August 11, 2026 2. Name of Former Accounting Firm: KPMG Taiwan (An Hou Jian Ye United CPA Firm) 3. Name of Former Signing Auditor 1: Chen Yan-Hui 4. Name of Former Signing Auditor 2: Kuo Shih-Hua 5. Name of New Accounting Firm: KPMG Taiwan (An Hou Jian Ye United CPA Firm) 6. Name of New Signing Auditor 1: Chen Yan-Hui 7. Name of New Signing Auditor 2: Kuo Yang-Lun 8. Reason for Auditor Change: Internal staffing adjustments and operational reorganization within the firm 9. Explanation of Whether the Change Was Initiated by the Company or the Former Auditor: Neither 10. Date of Notification of Termination: August 11, 2026 11. Whether the Company's Financial Reports for the Past Two Years Have Been Adjusted by Auditors or Received Recommendations for Major Internal Control Improvements: No 12. Whether the Company Disagreed with Any of the Above Adjustments or Recommendations: No 13. Whether the Company Consulted the Successor Auditor on the Handling of the Predecessor Auditor's Adjustments and Recommendations Prior to Formal Appointment: No 14. Whether the Company Authorized the Predecessor Auditor to Fully Respond to Reasonable Inquiries from the Successor Auditor: Not Applicable 15. Other Matters to Be Disclosed: None