Subsidiary Announces Land Lease and Commissioned Construction of Real Estate in Malaysia

Release Date: June 27, 2026 Statement Date: June 26, 2026 Statement Time: 16:05:53 Company Code: 3231 Company Name: Wistron Subject: Announcement by subsidiary Wistron Technology (Malaysia) Sdn. Bhd. (abbreviated as WMMY) regarding the lease of land and commissioned construction of real estate Applicable Clause: Clause 20 Factual Date: June 26, 2026

Details: 1. Type of Contract: Land lease for commissioned construction 2. Factual Date: June 26, 2026 3. Board Approval Date: June 26, 2026 (Year 115 of the Republic of China) 4. Other Approval Dates: Not applicable 5. Counterparty and Relationship with the Company: Not yet determined 6. Main Contract Contents (including total contract value, estimated investment amount, contract start and end dates, restrictions, and other important terms): Total value approximately USD 23,413,000 (not exceeding MYR 96,793,000) 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 Director Opinions on the Transaction: Not applicable 12. Is the Transaction a Related-Party Transaction: No 13. Date of Supervisor Approval or Audit Committee Consent: Not applicable 14. Is the Appraisal Report a Limited, Specific, or Special Price: No or Not applicable 15. Has an Appraisal Report Not 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 Auditor Firm: Not applicable 19. Name of Auditor: Not applicable 20. Auditor License Number: Not applicable 21. Previous Material Information Disclosure Date for the Same Event: Not applicable 22. Other Disclosures: None