[Shin Fiber] Announcement Regarding Subsidiary Shinkong Young Lion Co., Ltd. Regarding the Taoyuan City Youth Entrepreneurship Village and Smart Manufacturing Park Investment and Development Phase 1 Construction Project

1. Contract Type: Land Lease and Construction 2. Date of Fact Occurrence: 2026/04/14 ~ 2026/04/14 3. Board of Directors Approval Date: April 14, 2026 4. Other Approval Dates: Not applicable 5. Counterparty and Relationship with the Company: Contractor: Sanmin Construction Co., Ltd. Relationship with the Company: None 6. Main Contract Contents (including total contract amount, expected investment amount, and contract start/end dates), restrictive clauses, and other important agreements: (1) Contract Amount: NT$2.865 billion (excluding tax) (2) Contract Contents: Phase 1 factory and office building construction project for the Taoyuan City Young Lion Entrepreneurship Village and Smart Manufacturing Park, including civil engineering and electromechanical engineering. (3) Contract Period: April 2026 to May 2027 (4) Restrictive Clauses and Others: None 7. Professional appraiser's firm or company name and appraisal results: Not applicable 8. Name of real estate appraiser: Not applicable 9. Certificate number of real estate appraiser: Not applicable 10. Specific purpose of acquisition: To complete the Phase 1 construction project of the Taoyuan City Young Lion Entrepreneurship Village and Smart Manufacturing Park. 11. Dissenting opinions of directors on this transaction: None 12. Is this transaction a related party transaction: No 13. Date of approval by supervisor or audit committee: 1. April 14, 2026 14. Is the appraisal report a limited price, specific price, or special price: No or not applicable 15. Is the appraisal report not yet obtained: No or not applicable 16. Reason for not obtaining the appraisal report: Not applicable 17. If appraisal results have significant differences, reasons for the differences and accountant's opinions: Not applicable 18. Name of accounting firm: Not applicable 19. Name of accountant: Not applicable 20. Certificate number of accountant: Not applicable 21. Date of previous announcement of major news on the same matter: Not applicable 22. Other matters to be noted: None Keywords: Major News