SPIL Announces Board Resolution to Acquire Land Use Rights in Central Taiwan Science Park

1. Name and nature of the subject property (e.g., land located at Section X, Subsection X, North District, Taichung City): Zhongke ERLin Park Zone 15-3 land parcel

2. Date of occurrence: June 25, 2026 ~ June 25, 2026

3. Board approval date: June 25, 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: Leased land area: 111,500 square meters, Unit price (excluding tax): NT$12.62 per square meter per month, Total transaction amount: Land use right asset value approximately NT$469,640,109

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: Administration of Central Taiwan Science Park, National Science and Technology Council; Relationship with the company: None

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

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

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

10. Delivery or payment terms (including payment periods and amounts), contractual restrictions, and other important agreements: Payment terms: Monthly rental payments, Lease term: 20 years, Contractual restrictions: None, Other important agreements: None.

11. Method of transaction decision (e.g., bidding, price comparison, negotiation), basis for price determination, and decision-making body: Transaction decision method: In accordance with land rental regulations of the Administration of Central Taiwan Science Park, National Science and Technology Council, Decision-making body: Board of Directors

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

13. Name of professional appraiser: Not applicable

14. License number of the professional appraiser: Not applicable

15. Whether the appraisal report is for a limited, specific, 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. Reasons for significant differences in appraisal results and auditor’s opinion: Not applicable

19. Name of auditing firm: Not applicable

20. Name of auditor: Not applicable

21. Auditor’s license number: Not applicable

22. Broker and brokerage fees: None

23. Specific purpose or use of the acquisition or disposal: To meet operational needs

24. Dissenting directors’ opinions on the transaction: None

25. Whether the transaction is with a related party: No

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

27. Whether the transaction involves acquiring real estate or its use rights from a related party: No

28. Evaluation price under Article 16 of the “Regulations on the Acquisition or Disposal of Assets by Publicly Issued Companies”: Not applicable

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

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

31. Other explanatory matters: None