Delta Electronics Announces Subsidiary's Resolution to Construct Wuhu Plant V

1. Type of Contract: Engineering Contract 2. Date of Fact: July 6, 2026 ~ July 6, 2026 3. Board Approval Date: July 6, 2026 (Minguo Year 115) 4. Other Approval Dates: Not applicable 5. Counterparty to the Contract and Its Relationship with the Company: The engineering contract counterparty will be determined and announced separately. 6. Main Contents of the Contract (including total contract value, estimated investment amount, contract start and end dates), restrictive clauses, and other important terms: The board of directors of Delta Electronics (Wuhu) Co., Ltd. resolved on July 6, 2026, and shareholders approved the construction of Wuhu Plant V, with a provisional total project cost of approximately RMB 410 million (inclusive of tax). Other related matters will be announced once confirmed. 7. Name of Professional Appraisal Firm or Company and Appraisal Results: Not applicable, as the project involves construction on leased land. 8. Name of Real Estate Appraiser: Not applicable 9. License Number of Real Estate Appraiser: Not applicable 10. Specific Purpose of Acquisition: To meet future business development needs. 11. Dissenting Director Opinions on the Transaction: None 12. Whether the Transaction is a Related-Party Transaction: No 13. Date of Supervisor Approval or Audit Committee Consent: Not applicable 14. Whether the Appraisal Report Indicates a Restricted, Specific, or Special Price: No or Not applicable 15. Whether an Appraisal Report Has Not Yet Been Obtained: No or Not applicable 16. Reason for Not Yet Obtaining the Appraisal Report: Not applicable 17. Reasons for Significant Differences in Appraisal Results and Auditor's Opinion: Not applicable 18. Name of Accounting Firm: Not applicable 19. Name of Auditor: Not applicable 20. Auditor's License Number: Not applicable 21. Previous Date of Material Information Disclosure on the Same Event: Not applicable 22. Other Disclosures: None