Delta Electronics Announces Subsidiary's Resolution to Reconstruct BP1 Plant and BP1-P Building in Thailand

1. Type of Contract: Construction Contract 2. Effective Date: July 24, 2026 ~ July 24, 2026 3. Board Approval Date: July 24, 2026 4. Other Approval Dates: Not applicable 5. Counterparty and Relationship with the Company: The counterparty will be announced upon determination. 6. Main Contents of the Contract (including total contract value, estimated investment amount, contract period, restrictive clauses, and other important terms): The board of directors of subsidiary Delta Electronics (Thailand) Public Company Limited resolved on July 24, 2026 to reconstruct the BP1 plant and BP1-P building in Thailand, with a provisional total project cost of approximately THB 3.2 billion. Other related matters will be announced upon confirmation. 7. Name of Appraisal Firm or Company and Appraisal Results: Not applicable, as this is a self-owned land construction project. 8. Name of Real Estate Appraiser: Not applicable 9. License Number of Real Estate Appraiser: Not applicable 10. Specific Purpose of the Acquisition: To meet future business development needs 11. Dissenting Director Opinions on the Transaction: None 12. Is this 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 the Appraisal Report Not Yet Been Obtained?: No or Not applicable 16. Reason for Not Obtaining the Appraisal Report: Not applicable 17. Reasons for Significant Differences in Appraisal Results and Auditor's Opinion: Not applicable 18. Auditor Firm Name: Not applicable 19. Auditor Name: Not applicable 20. Auditor License Number: Not applicable 21. Previous Material Information Disclosure Date for the Same Event: Not applicable 22. Other Disclosures: None