3231 Wistron: Subsidiary Updates Construction Plan for Employee Housing and Office Building with Increased Budget

Disclosure Date: 1150627 Statement Date: 1150626 Statement Time: 160418 Company Code: 3231 Company Name: Wistron Subject: [Update] Announcement by subsidiary Ding Chuang Limited (abbreviated as Ding Chuang) regarding the construction of dormitories and office buildings through a land lease and commissioned construction model Relevant Clause: Clause 20 Event Date: 1150626 Details: 1. Type of Contract: Land lease and commissioned construction 2. Event Date: 115/6/26 ~ 115/6/26 3. Board Approval Date: June 26, 115 (2026) 4. Other Approval Dates: Not applicable 5. Counterparty and Relationship to Company: Not yet determined 6. Main Contract Contents (including total contract amount, expected investment amount, contract start and end dates), restrictions, and other important terms: In response to practical needs for constructing office buildings, an additional budget of NT$400 million is proposed, bringing the cumulative construction expenditure to NT$25.37 billion 7. Name of professional appraisal firm or company and appraisal result: 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 business development and strategic planning needs 11. Dissenting opinions from directors regarding this transaction: None 12. Is this transaction a related-party transaction? No 13. Date of supervisor approval or audit committee consent: Not applicable 14. Is the appraisal report for 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 obtaining appraisal report: Not applicable 17. Reasons for significant differences in appraisal results and accountant's opinion: Not applicable 18. Name of accounting firm: Not applicable 19. Name of accountant: Not applicable 20. Accountant's license number: Not applicable 21. Previous material information disclosure date on the same event: This is an update to the announcement made on April 20, 111 (2022) by subsidiary Ding Chuang Limited (abbreviated as Ding Chuang) regarding the construction of dormitories and office buildings through a land lease and commissioned construction model 22. Other Disclosures: Contractors for civil engineering and electrical/mechanical works have been announced in 111 and 115