Yen Chou Announces Self-Commissioned Construction Project on Owned Land

1. Type of Contract: Self-commissioned construction

2. Effective Date: 115/8/13 ~ 115/8/13

3. Board Approval Date: August 13, 2026 (Minguo Year 115)

4. Other Approval Dates: Not applicable

5. Contract Counterparties and Their Relationship with the Company: Contract Counterparty: Hwa Lin Construction Co., Ltd. Relationship with Company: None

Contract Counterparty: Yen Chou Construction Co., Ltd. Relationship with Company: Affiliate

6. Main Contract Contents (including total contract amount, estimated investment amount, contract period, restrictive clauses, and other important terms): Estimated Investment Amount: NT$602,000 thousand (Hwa Lin Construction: NT$577,920 thousand; Yen Chou Construction: NT$24,080 thousand) Restrictive Clauses: None Other Important Terms: None

7. Name of Professional Appraisal Firm or Company and Appraisal Results: Not applicable

8. Name of Real Estate Appraiser: Not applicable

9. License Number of Real Estate Appraiser: Not applicable

10. Specific Purpose of Acquisition: New construction project for 'Yen Chou Liu Yu Residential Complex'

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 13, 2026 (Minguo Year 115)

14. Whether the Appraisal Report is at a Limited, 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 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