【Huagu】Announcement of Signing a Joint Venture Agreement

1. Contract Type: Joint Venture for Divided Houses 2. Date of Fact: 115/6/23~115/6/23 3. Board of Directors Approval Date: Not applicable 4. Other Approval Dates: Approval Level: Approved by the President June 23, 2026 5. Contract Counterparty and Their Relationship with the Company: (1) Transaction Counterparty: Two natural persons (2) Relationship with the Company: Non-related 6. Main Contract Content (Including Total Contract Amount, Estimated Investment Amount, and Contract Period), Restrictive Clauses, and Other Important Agreements: (1) Main Contract Content: The landowner provides land in the Xingu Segment of Taishan District, New Taipei City, with a total area of 5,509.1 square meters (approximately 1,666.5 ping), and has signed a joint venture agreement for divided houses with our company. The landowner is expected to take 36-37%, and our company will take 64-63%. Our company plans to invest approximately NT$4,726,850,000. (2) Restrictive Clauses and Other Important Agreements: None 7. Name of Professional Appraisal Firm or Company and Their Appraisal Results: To secure transaction timeliness, the appraisal report cannot be obtained immediately 8. Name of Real Estate Appraiser: To secure transaction timeliness, the appraisal report cannot be obtained immediately 9. Business License Number of Real Estate Appraiser: To secure transaction timeliness, the appraisal report cannot be obtained immediately 10. Purpose of Acquisition: Construction of houses and parking spaces for sale or rent 11. Board of Directors' Objection: None 12. Is This Transaction a Related Party Transaction? No 13. Date of Approval by Supervisors or Audit Committee: Not applicable 14. Is the Appraisal Report a Limited Price, Specific Price, or Special Price? No or Not applicable 15. Has the Appraisal Report Not Been Obtained Yet? Yes 16. Reason for Not Obtaining the Appraisal Report Yet: To secure transaction timeliness, the appraisal report cannot be obtained immediately 17. If There Is a Significant Difference in Appraisal Results, the Cause of the Difference and the Opinion of the Accountant: Not applicable 18. Name of Accounting Firm: Not applicable 19. Name of Accountant: Not applicable 20. Business License Number of Accountant: Not applicable 21. Date of Previous Disclosure of Major Information on the Same Matter: Not applicable 22. Other Explanations: Using the development quota authorized by the board of directors on 115/4/29 Keyword: Major Information