YU CHI-KY Announces Subsidiary's Board Approval for Self-Land Commissioned Factory Construction

1. Type of Contract: Self-land commissioned construction 2. Date of Event: July 31, 2026 3. Board Approval Date: July 31, 2026 (Republic of China Year 115) 4. Other Approval Dates: Not applicable 5. Counterparty and Relationship with Company: PT. PILAR TEGUH UTAMA; not a related party 6. Main Contents of Contract (including total contract value, expected investment amount, start and end dates, restrictions, and other important terms): Factory construction project; Total contract value: USD 26,774,000; Effective period: From the date of signing until completion of all works and receipt of corresponding warranty guarantees 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: To meet future company development and operational needs 11. Dissenting Director Opinions on the Transaction: None 12. Is this a related-party transaction? No 13. Date of Supervisor Approval or Audit Committee Consent: Not applicable 14. Is the appraisal report a limited price, specific price, or special price? No or not applicable 15. Has an appraisal report 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 regarding the same event: Not applicable 22. Other Statements: None