3231 Wistron: Announcement of Building Renovation and Equipment Acquisition

Disclosure Date: 1150627 Statement Date: 1150626 Statement Time: 154904 Company Code: 3231 Company Name: Wistron Subject: Announcement of Proposed Building Renovation and Equipment Acquisition Compliance Clause: Clause 20 Factual Date: 1150626

Details: 1. Name and nature of the subject matter (e.g., land located in Section X, Subsection X, North District, Taichung City): Building renovation and equipment acquisition

2. Factual Date: 115/6/26 ~ 115/6/26

3. Board Approval Date: June 26, 115

4. Other Approval Dates: Not applicable

5. Quantity of transaction units (e.g., XX square meters, equivalent to XX ping), unit price, and total transaction amount: Hsinchu site: proposed addition of NT$1,672,214 thousand Kaohsiung site: proposed addition of NT$4,785,540 thousand

6. Counterparty and its relationship with the company (if the counterparty is an individual and not a related party of the company, name disclosure may be exempted): If the transaction counterparty meets the announcement threshold, it will be disclosed separately

7. If the counterparty is a related party, the reason for selecting the related party as the counterparty, the previous transferor, the relationship among the previous transferor, the company, and the counterparty, the previous transfer date, and the transfer amount shall be disclosed: If the transaction counterparty meets the announcement threshold, it will be disclosed separately

8. If the owner of the transaction subject was a related party of the company within the past five years, the related party’s acquisition and disposal dates, prices, and relationship with the company at the time of transaction shall also be disclosed: Not applicable

9. Estimated gain (or loss) from disposal (not applicable for asset acquisition) (if deferred, list and explain recognition status): Not applicable

10. Delivery or payment terms (including payment periods and amounts), contractual restrictions, and other important agreements: Payment via bank transfer

11. Decision method for this transaction (e.g., bidding, price comparison, or negotiation), reference basis for price determination, and decision-making unit: Board resolution

12. Name of professional appraiser firm or company and appraisal amount: Not applicable

13. Name of professional appraiser: Not applicable

14. License number of professional appraiser: Not applicable

15. Whether the appraisal report is for a limited price, specific price, or special price: No or Not applicable

16. Whether the appraisal report has not yet been obtained: No or Not applicable

17. Reason for not yet obtaining the appraisal report: Not applicable

18. Reasons for significant differences in appraisal results and auditor's opinion: Not applicable

19. Auditor firm name: Not applicable

20. Auditor name: Not applicable

21. Auditor license number: Not applicable

22. Broker and brokerage fees: None

23. Specific purpose or use of acquisition or disposal: To meet future business growth demands

24. Opinion of directors who expressed objections to this transaction: None

25. Whether this transaction is a related-party transaction: No

26. Date of auditor’s approval or audit committee consent: June 26, 115

27. Whether this transaction involves acquiring real estate or right-of-use assets from a related party: No

28. Valuation amount under Article 16 of the 'Asset Acquisition and Disposal Rules for Publicly Issued Companies': Not applicable

29. Valuation amount under Article 17 of the same rules, if the valuation under the previous item is lower than the transaction price: Not applicable

30. Previous date of major information announcement regarding the same event: Not applicable

31. Other explanatory matters: The Hsinchu site includes the International AI Smart Park, Zhubei AI Second Plant, and Hukou Plant