MiTAC Subsidiary Acquires Real Estate Usage Rights in California, USA

1. Name and nature of the subject property (e.g., land in Section XX, Subsection XX, Beitun District, Taichung City): Two buildings located in California, USA

2. Date of occurrence: June 18, 2026 ~ June 18, 2026

3. Board approval date: June 18, 2026 (Minguo Year 115)

4. Other approval dates: Not applicable

5. Quantity of units (e.g., XX square meters, equivalent to XX ping), unit price, and total transaction amount: Quantity: 236,945 square feet of building space Monthly rent: Adjusted based on leased area—USD 24,583.20 per month for months 1–5, USD 164,912.30 in month 6, USD 197,195.90 for months 7–11, and USD 381,481.45 in month 12. Thereafter, annual adjustments will be made based on inflation. Right-of-use asset value: USD 22,693,777.86

6. Counterparty and its relationship with the company (if the counterparty is an individual and not a related party, name disclosure may be omitted): Counterparty: B9 SEQUOIA WIEGMAN OWNER LP Relationship with the company: Not a related party

7. If the counterparty is a related party, state the reason for selection, previous transferor, relationships among the company, counterparty, and prior owner, transfer date, and amount: Not applicable

8. If the property’s owner was a related party of the company within the past five years, disclose the date, price, and relationship at the time of acquisition and disposal: Not applicable

9. Estimated gain (or loss) on disposal (not applicable for asset acquisition) (if deferred, provide recognition details): Not applicable

10. Delivery or payment terms (including payment schedule and amounts), contractual restrictions, and other important provisions: (1) Payment terms: Monthly payments (2) Term: August 1, 2026 – June 30, 2032 (3) Contractual restrictions and other important provisions: None

11. Method of transaction determination (e.g., bidding, comparison, negotiation), basis for price determination, and decision-making body: (1) Transaction determination method: Negotiation (2) Basis for price determination: Professional appraisal report and reference to regional market conditions (3) Decision-making body: Board of Directors resolution

12. Name of appraisal firm or company and appraised value: Appraisal firm: Chung-Ting Real Estate Appraiser Office Appraised value of right-of-use asset: USD 22,722,000

13. Name of professional appraiser: Chung-Ting Real Estate Appraiser Office – Jian Wu-Chi

14. Appraiser license number: Chung-Ting Real Estate Appraiser Office (100) Taipei Appraisal No. 000172

15. Whether the appraisal report specifies a limited, specific, 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 obtaining the appraisal report: Not applicable

18. If there is a significant difference in appraisal results, explain the cause and include auditor’s opinion: Not applicable

19. Name of accounting firm: Not applicable

20. Name of accountant: Not applicable

21. Accountant license number: Not applicable

22. Broker and brokerage fees: Not applicable

23. Specific purpose or use of the acquisition or disposal: For operational needs of the company

24. Opinion of any director who objected to the 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 the transaction involves acquiring real estate or its usage rights from a related party: No

28. Valuation under Article 16 of the 'Regulations Governing the Acquisition or Disposition of Assets by Publicly Issued Companies': Not applicable

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

30. Previous date of material information disclosure regarding the same event: Not applicable

31. Other explanatory matters: None