[Hai Yue] Announcement by key subsidiary Hai Yue Construction Co., Ltd. regarding Board decision for cash capital increase (Supplementary Announcement)

1. Date of Board resolution: 2025/04/17 2. Source of capital increase: Issuance of common shares for cash 3. Issuance under shelf registration: No 4. Total amount and number of shares to be issued: Total amount of NT$190,000 thousand; total number of 19,000 thousand common shares 5. Issuance amount and shares under shelf registration: Not applicable 6. Remaining amount and shares after this issuance under shelf registration: Not applicable 7. Par value per share: NT$10 8. Offering price: Not applicable 9. Shares reserved for employee subscription: 10% totaling 1,900,000 shares per Article 267 of the Company Act 10. Shares for public sale: Not applicable 11. Ratio for subscription by original shareholders: 90% 12. Treatment of fractional shares and unallocated shares: Not applicable 13. Rights and obligations of new shares: Same as existing shares 14. Use of proceeds: To enrich working capital and strengthen the capital structure 15. Other matters: None