Wistron Announces Expansion of Factory and Warehouse Construction in Vietnam, Investment Increased to USD 1.783 Billion

1. Name and nature of the subject property (e.g., land located in Section XX, Subsection XX, North District, Taichung City):
Construction of factories, warehouses, and supporting facilities in the Kim Bang Industrial Zone.

2. Date of occurrence: June 26, 115 ~ June 26, 115

3. Date of board approval: June 26, 2026 (Minguo Year 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:
Due to an increase in the construction cost of factories, warehouses, and supporting facilities in the Kim Bang Industrial Zone by approximately USD 245 million, the adjusted construction cost is approximately USD 1,387.68 million.

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 omitted):
Not yet determined

7. If the counterparty is a related party, state the reason for selecting the related party, the previous transferor, the relationship among the previous transferor, the company, and the counterparty, the previous transfer date, and the transfer amount:
Not yet determined

8. If the subject asset had been owned by a related party of the company within the past five years, disclose the date of acquisition and disposal, price, and the relationship with the company at the time of transaction:
Not applicable

9. Estimated gain (or loss) from disposal (not applicable for asset acquisition) (if deferred, provide a table showing recognition):
Not applicable

10. Delivery or payment terms (including payment period and amount), contractual restrictions, and other important agreements:
Payment by wire transfer

11. Decision method for this transaction (e.g., bidding, price comparison, negotiation), reference basis for price determination, and decision-making unit:
Approved by 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 an appraisal report has not yet been obtained: No or not applicable

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

18. If there is a significant difference in appraisal results, explain the reason and provide auditor's opinion:
Not applicable

19. Name of accounting firm:
Not applicable

20. Name of accountant:
Not applicable

21. License number of accountant:
Not applicable

22. Broker and brokerage fee:
None

23. Specific purpose or use of the acquisition or disposal:
To meet business development and strategic planning needs

24. Opinion of any director who objected to this transaction:
None

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

26. Date of supervisor approval or audit committee consent:
Not applicable

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

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

29. Valuation price 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 material information disclosure on the same event:
On May 8, 115, the subsidiary Wistron InfoComm (Vietnam) Co., Ltd. (abbreviated as WVN) issued an updated announcement regarding the lease of land for construction of real estate, building improvements, and acquisition of machinery and equipment

31. Other explanatory matters:
Construction of factories, warehouses, and supporting facilities in the Kim Bang Industrial Zone, along with building improvements and acquisition of machinery and equipment in the Dong Van III Industrial Zone. The total investment amount has increased from the original USD 1,537.68 million to USD 1,782.68 million.