【Sinbon】Announcement of the Board of Directors' Resolution to Acquire an Existing Factory in Taichung Port Technology Industrial Park

1. Name and nature of the subject matter (e.g., land in XX section, XX subdivision, North District, Taichung City): Factory located at No. 16, Dacheng Road, Wuqi District, Taichung City 2. Date of occurrence: 2026/4/23~2026/4/23 3. Date of board resolution: April 23, 2026 4. Other approval dates: Not applicable 5. Quantity of transaction units (e.g., XX square meters, equivalent to XX ping), price per unit, and total transaction amount: Building area: 4,253.27 ping Total transaction amount: Not exceeding NT$340 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: Jin Xinyu Enterprise Co., Ltd. Relationship with the company: None 7. If the counterparty is a related party, the reason for selecting the related party as the transaction object, the previous owner, the relationship between the previous owner and the company and the counterparty, the previous transfer date, and the transfer amount should also be announced: Not applicable 8. If the owner of the transaction target 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 should also be announced: Not applicable 9. Estimated disposal profit (or loss) (not applicable for asset acquisition) (deferred items should be listed and explained): Not applicable 10. Delivery or payment terms (including payment period and amount), contract restrictions, and other important agreements: Payment terms: According to agreement. Contract restrictions: According to agreement. Other important agreements: According to agreement. 11. Method of determining this transaction (e.g., bidding, price comparison, or negotiation), reference basis for price determination, and decision-making unit: Method of determining the transaction: Negotiation between both parties Reference basis for price determination: Negotiation between both parties Decision-making unit: Board of Directors 12. Name of professional appraiser firm or company and its appraisal amount: Professional appraiser firm: Jiecheng Real Estate Appraisers Joint Office Appraisal amount: NT$340,626,192 13. Name of professional appraiser: Yang Xiufeng 14. Professional appraiser's license number: (101) Zhongshi Digu Zi No. 000031 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. Name of accounting firm: Not applicable 20. Name of accountant: 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: Consideration for overall planning and integrated operational management for business needs 24. Opinions of directors who expressed dissent to this transaction: None 25. Is this transaction a related party transaction: No 26. Date of approval by supervisors or audit committee: April 23, 2026 27. Is this transaction an acquisition of real estate or its right-of-use assets from a related party: No 28. Price evaluated according to Article 16 of the "Regulations Governing the Acquisition and Disposal of Assets by Public Companies": Not applicable 29. If the price evaluated in the preceding item is lower than the transaction price, the price evaluated according to Article 17 of the same regulations: Not applicable 30. Date of previous material information announcement for the same event: Not applicable 31. Other matters to be specified: Land leased from Taichung Port Technology Industrial Park Keywords: Material Information