Yi Hua Announces Board Approval of Construction Contract for Ren Guang Section Land in Yanshui District, Tainan City

1. Type of Contract: Self-land Entrusted Construction 2. Date of Event: August 10, 2026 ~ August 10, 2026 3. Board Approval Date: August 10, 2026 4. Other Approval Dates: Not applicable 5. Counterparty and Relationship with Company: Sun Yi Construction Co., Ltd. The responsible person of this company is a relative of the responsible person of our company. 6. Main Contents of the Contract (including total contract amount, expected investment amount, contract start and end dates), restrictive clauses, and other important terms: Land parcels No. 67 and 44 other plots in Renguang Section, Yanshui District, Tainan City, will be developed into a townhouse complex with 40 units. A turnkey construction contract covering building and electrical works has been signed. Contract Type: Self-land Entrusted Construction Contract. Restrictive Clauses and Other Important Terms: None. Total Project Amount: NT$260,899,291 (exclusive of tax). Contract Period: As per the construction period stated in the approved building permit. 7. Name of Real Estate Appraiser Firm or Company and Appraisal Result: Sien-Jian Real Estate Appraiser Office Appraised Total Amount: NT$261,965,466. 8. Name of Real Estate Appraiser: Wei-Han Sun 9. Real Estate Appraiser License Number: (111) Taoyuan City Appraisal No. 000072 10. Specific Purpose of Acquisition: To construct general buildings for sale and earn development benefits and profits. 11. Dissenting Director Opinions on This Transaction: None 12. Whether This Transaction is a Related-Party Transaction: Yes 13. Date of Supervisor Approval or Audit Committee Consent: August 10, 2026 14. Whether the Appraisal Report is at a Limited Price, Specific Price, or Special Price: No or Not Applicable 15. Whether the Appraisal Report Has Not Yet Been Obtained: No or Not Applicable 16. Reason for Not Yet Obtaining the Appraisal Report: Not applicable 17. If There Is a Significant Difference in Appraisal Results, the Reason and Auditor's Opinion: No or Not Applicable 18. Name of Accounting Firm: Not applicable 19. Name of Auditor: Not applicable 20. Auditor License Number: Not applicable 21. Previous Date of Material Information Disclosure on the Same Event: Not applicable 22. Other Statements: None