[Highwealth] Announcement of construction project contracting

1. Type of contract: Construction contract. 2. Date of occurrence: 2026/04/22. 3. Date of BoD approval: 2026/04/22. 4. Other decision date: N/A. 5. Counterparty and relationship: Jin Jun Construction Co., Ltd. (100% subsidiary). 6. Main contract content: (1) Taichung Xitun District project: 255,520,000 TWD (incl. tax). (2) Tainan Anping District project: 2,542,960,000 TWD (incl. tax). Contract duration: From signing date to project completion. Restrictions: None. 7-9. Appraiser details: N/A. 10. Purpose of acquisition: To increase corporate operating revenue. 11. Dissenting directors: None. 12. Related party transaction: Yes. 13. Approval by audit committee: 2026/04/22. 14-20. Appraisal and CPA reports: N/A. 21-22. N/A / None.