【Sung Sheng Technology】Announcement of Board of Directors' approval to authorize the Chairman to proceed with real estate acquisition and signing of contracts, etc.

1. Name and nature of the target property (e.g., land in XX section, XX subsection, Beitun District, Taichung City): Land and factory at No. 14, Industrial Zone 16th Road, Xitun District, Taichung City 2. Date of occurrence: May 12, 2026 (Minguo calendar 115/5/12) ~ May 12, 2026 (Minguo calendar 115/5/12) 3. Date of approval by the Board of Directors: May 12, 2026 (Minguo calendar 115/5/12) 4. Other approval dates: Not applicable 5. Quantity of transaction units (e.g., XX square meters, equivalent to XX pings), price per unit, and total transaction amount: Authorized the Chairman to negotiate within a total price of NT$600 million 6. Counterparty to 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: Baiyuan Co., Ltd. Relationship with the company: Non-related party 7. If the counterparty is a related party, the reasons for selecting a related party as the transaction object, the previous owner, the relationship between the previous owner and the company and the counterparty, the date of previous transfer, and the transfer amount shall also be announced: Not applicable 8. If the owner of the transaction 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 transaction of the related party shall also be announced: Not applicable 9. Estimated disposal profit (or loss) (not applicable for asset acquisition) (deferred items shall be listed and explained for recognition): Not applicable 10. Delivery or payment terms (including payment period and amount), contract restriction clauses, and other important agreed matters: Delivery or payment terms: Payment according to agreement Contract restriction clauses: To be announced separately after actual signing Other important agreed matters: To be announced separately after actual signing 11. Method of determining this transaction (e.g., tender, price comparison, or negotiation), reference basis for price determination, and decision-making unit: Method of determining this transaction: Bilateral negotiation Reference basis for price determination: Reference appraisal report and market conditions Decision-making unit: The company's Board of Directors authorized the Chairman to handle it with full authority 12. Name of professional appraiser's firm or company and its appraisal amount: Zhengxin Real Estate Appraisers Joint Office Appraisal amount: NT$566,738,000 13. Names of professional appraisers: Huang Chao-Min, Lin Hsiao-Han 14. Professional appraiser's license numbers: (101) Zhongshi Digu Zi No. 000029, (106) Zhongshi Digu Zi No. 000091 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 results, the reasons for the difference and the auditor'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: Handled according to contract 23. Specific purpose or use of acquisition or disposal: To meet the company's operational needs and long-term development plans 24. Opinions of dissenting directors on this transaction: None 25. Is this transaction a related party transaction: Yes 26. Date of approval by supervisors or audit committee: May 12, 2026 (Minguo calendar 115/5/12) 27. Is this transaction an acquisition of real estate or 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 paragraph 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 disclosure for the same event: Not applicable 31. Other matters to be specified: The Board of Directors approved the authorization of the Chairman to handle signing and other related matters.