Sakura Construction: Announcement of Board of Directors' Approval for Engineering Contract with Subsidiary Yingxiong Construction

1. Type of contract: Engineering contracting agreement 2. Date of occurrence: 115/5/12~115/5/12 (May 12, 2026) 3. Date of approval by the Board of Directors: May 12, 2026 4. Other approval dates: Not applicable 5. Counterparty to the contract and its relationship with the company: Yingxiong Construction Co., Ltd. is a subsidiary of the company. 6. Main content of the contract (including total contract amount, estimated amount to be invested, and contract start/end dates), restrictions, and other important agreements: The "Beitun District, Taichung City, Biliu Section" new construction project has an additional amount of NT$999,999,459 (inclusive of tax). The total contract amount after the addition is NT$1,299,999,204 (inclusive of tax). 7. Name of professional appraiser's firm or company and its appraisal results: Not applicable 8. Name of real estate appraiser: Not applicable 9. Real estate appraiser's license number: Not applicable 10. Specific purpose of acquisition: To construct residential buildings for sale, creating profits for the company. 11. Opinions of dissenting directors on this transaction: None 12. This transaction is a related party transaction: Yes 13. Date of approval by supervisors or audit committee: May 12, 2026 14. Is the appraisal report a limited price, specific price, or special price: No or not applicable 15. Has the appraisal report not yet been obtained: No or not applicable 16. Reason why the appraisal report has not yet been obtained: Not applicable 17. If there is a significant difference in the appraisal results, the reason for the difference and the CPA's opinion: Not applicable 18. Name of accounting firm: Not applicable 19. Name of accountant: Not applicable 20. Accountant's license number: Not applicable 21. Date of previous significant announcement regarding the same event: Not applicable 22. Other matters to be specified: None