【欣興】Information Regarding the Company's Acquisition of Machinery and Equipment

1. Name and nature of the target (e.g., land parcel XX, section XX, segment XX in North District, Taichung City): Machinery and equipment 2. Date of occurrence of the event: 2026/1/29~2026/5/4 3. Date of board resolution: Not applicable 4. Other approval dates: Approval level: Chairman's approval, May 4, 2026 5. Quantity of transaction units (e.g., XX square meters, equivalent to XX ping), unit price, and total transaction amount: Quantity of transaction units: one batch; Total transaction amount: NT$1,302,715,550 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, disclosure of their name may be omitted): TORAY ENGINEERING CO., LTD.; not a related party 7. If the counterparty is a related party, the reason for selecting the related party as the transaction object, the previous owner of the transfer, the relationship between the previous owner and the company and the counterparty, the previous transfer date, and the transfer amount should be announced: Not applicable 8. If the owner of the transaction object has been a related party of the company within the past 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. Estimated disposal profit (or loss) (not applicable for asset acquisition) (deferred items should be listed to explain recognition status): Not applicable 10. Delivery or payment terms (including payment period and amount), contract restriction clauses, and other important agreed matters: Payment according to order terms; no contract restriction clauses or other important agreed matters. 11. Method of determining this transaction (e.g., tender, price comparison, or negotiation), reference basis for price determination, and decision-making unit: Transaction determination method: negotiation; Reference basis for price determination: market price; Decision-making unit: Approved according to company procurement management regulations. 12. Name of professional appraiser's firm or company and its appraisal amount: Not applicable 13. Name of professional appraiser: Not applicable 14. Professional appraiser's license number: Not applicable 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. Reason for not yet obtaining the appraisal report: Not applicable 18. If there is a significant difference in the appraisal result, the reason for the difference and the accountant's opinion: Not applicable 19. Accounting firm name: Not applicable 20. Accountant's name: Not applicable 21. Accountant's license number: Not applicable 22. Broker and brokerage fees: Not applicable 23. Specific purpose or use of acquisition or disposal: For production use 24. Opinions of directors who expressed dissenting opinions on this transaction: Not applicable 25. This transaction is a related party transaction: No 26. Date of approval by supervisors or audit committee: Not applicable 27. This transaction is 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 significant announcement regarding the same event: Not applicable 31. Other matters that need to be specified: None