Huang Hsiang: Additional Construction Contract for Land Parcels 436 and Others in Banqiao District, New Taipei City

1. Contract Type: Commissioned Construction 2. Effective Date: 115/9/11 ~ 115/9/11 3. Board Approval Date: September 11, Year 115 (2026) 4. Other Approval Dates: Not applicable 5. Contract Counterparty and Relationship with the Company: Contract Counterparty: Pei-Chang Construction Co., Ltd. Relationship with the Company: Subsidiary of the Company 6. Main Contract Contents (including total contract amount, expected investment amount, contract start and end dates), restrictive clauses, and other important terms: This additional work covers interior decoration, landscaping, and VIP area construction (excluding electrical, plumbing, and fire protection systems). Additional Amount: NT$2,050,016,602 (excluding tax) Total Contract Amount after Addition: NT$4,392,758,615 (excluding tax) Restrictive Clauses and Other Important Terms: None 7. Name of Professional Appraisal Firm or Company and Appraisal Result: Not applicable 8. Name of Real Estate Appraiser: Not applicable 9. License Number of Real Estate Appraiser: Not applicable 10. Specific Purpose of Acquisition: To construct a building for sale or lease 11. Dissenting Director Opinions on This Transaction: None 12. This Transaction is a Related-Party Transaction: Yes 13. Date of Supervisor Approval or Audit Committee Consent: September 11, Year 115 (2026) 14. Whether the Appraisal Report is at a Restricted, Specific, or Special Price: No or Not applicable 15. Whether Appraisal Report Has Not Yet Been Obtained: No or Not applicable 16. Reason for Not Yet Obtaining Appraisal Report: Not applicable 17. Reasons for Significant Differences in Appraisal Results and Auditor's Opinion: Not applicable 18. Name of Accounting Firm: Not applicable 19. Name of Auditor: Not applicable 20. Auditor's License Number: Not applicable 21. Previous Date of Material Information Disclosure on the Same Event: Not applicable 22. Other Disclosures: None