Delta Electronics Announces Subsidiary Delta America Ltd. Plans to Acquire Land and Buildings

1. Name and nature of the target property (e.g., land parcel XX, section XX, sub-section XX, Taichung City North District): Land and building located at 47200 Bayside Parkway, Fremont, CA 94538, USA 2. Date of occurrence of the event: 2026/5/5~2026/5/5 3. Date of board of directors' approval: May 4, 2026 (Republic of China calendar year 115) 4. Other approval dates: Not applicable 5. Quantity of trading units (e.g., XX square meters, equivalent to XX ping), unit price, and total transaction amount: Land area: 3.35 acres Building area: 54,094 square feet Total transaction amount: USD 23 million 6. Counterparty of the transaction and its relationship with the company (if the counterparty is a natural person and not a related party of the company, their name may be omitted): Counterparty: JCGC Fremont Owner LLC Relationship with the company: None 7. If the counterparty is a related party, the reason for selecting a related party as the transaction object, the previous transferor, the relationship between the previous transferor and the company and the counterparty, the previous transfer date, and transfer amount should also be announced: Not applicable 8. If the owner of the trading target has been a related party of the company within the last five years, the acquisition and disposal dates, prices, and relationship with the company at the time of the transaction of the related party should also be announced: Not applicable 9. Expected disposal profit (or loss) (not applicable to asset acquisition) (deferred items should be listed and explained for recognition): Not applicable 10. Delivery or payment terms (including payment period and amount), contract restrictions, and other important agreements: Delivery or payment terms: Payment according to the contract signed by the buyer and seller Contract restrictions and other important agreements: Performance according to the purchase and sale contract signed by the buyer and seller 11. Method of determining this transaction (e.g., tender, price comparison, or negotiation), reference basis for price determination, and decision-making unit: The board of directors of Delta America Ltd. decided after considering the appraisal amount from a professional appraisal agency and market conditions. 12. Name of professional appraiser firm or company and its appraisal amount: Professional appraisal firm: Bowery Valuation Appraisal amount: USD 23.9 million 13. Name of professional appraiser: Sam Cimino 14. Professional appraiser's license number: 3007042 15. Is the appraisal report a limited price, specific price, or special price: No or not applicable 16. Has the appraisal report not yet been obtained: No or not applicable 17. Reasons for not yet obtaining the appraisal report: Not applicable 18. If there is a significant difference in the appraisal results, the reason for the difference and the CPA's opinion: Not applicable 19. Name of CPA firm: Not applicable 20. Name of CPA: Not applicable 21. CPA's license number: Not applicable 22. Broker and brokerage fee: CBRE Group is the broker, and brokerage fees are paid by the seller. 23. Specific purpose or use of acquisition or disposal: To meet business expansion needs 24. Opinions of directors who dissented from this transaction: None 25. Is this transaction a related party transaction: No 26. Date of approval by supervisors or audit committee: Not applicable 27. Is this transaction for the acquisition of real estate or right-of-use assets from a related party: No 28. Price assessed according to Article 16 of the "Regulations Governing the Acquisition and Disposal of Assets by Public Companies": Not applicable 29. If the price assessed in the preceding item is lower than the transaction price, the price assessed according to Article 17 of the same regulations: Not applicable 30. Date of previous material information announcement on the same event: Not applicable 31. Other matters to be specified: Approved by the board of directors of the subsidiary Delta America Ltd. on May 4, 2026 (Western Calendar) (May 5, 2026, Taiwan Time).