【Hua-You-Lian】Announcement of the Company's Board of Directors' Resolution to Plan the Issuance of Secured Ordinary Corporate Bonds (Supplementary Explanation of Amount Validity Period)

1. Date of board of directors' resolution: 2026/05/07 2. Name [XX company's Xth (secured/unsecured) corporate bonds]: Hua-You-Lian Development Co., Ltd. Secured Ordinary Corporate Bonds 3. Whether to adopt omnibus filing for corporate bond issuance (Yes/No): No 4. Total issuance amount: The total issuance amount shall not exceed NT$1.3 billion, which may be issued in one go or in installments depending on market conditions. The validity period of the amount is one year. (Supplementary explanation) 5. Face value per bond: To be determined based on market conditions. 6. Issuance price: To be determined based on market conditions. 7. Issuance period: To be determined based on market conditions. 8. Issuance interest rate: To be determined based on market conditions. 9. Type, name, amount, and agreed terms of collateral: Authorized to be decided by the chairman. 10. Use of proceeds and implementation plan: To repay the first secured ordinary corporate bonds of 2021 and loans from financial institutions. 11. Underwriting method: Authorized to be decided by the chairman. 12. Corporate bond trustee: Authorized to be decided by the chairman. 13. Underwriter or sales agent: Authorized to be decided by the chairman. 14. Issuance guarantor: Authorized to be decided by the chairman. 15. Agent for principal and interest repayment: Authorized to be decided by the chairman. 16. Certifying institution: Not applicable. 17. Conversion method for convertible shares: Not applicable. 18. Buyback conditions: Not applicable. 19. Repurchase conditions: Authorized to be decided by the chairman. 20. Stock conversion reference date for convertible, exchangeable, or subscription bonds: Not applicable. 21. Potential dilution of equity for convertible, exchangeable, or subscription bonds: Not applicable. 22. Other matters that need to be specified: This announcement was approved and announced by the Board of Directors on February 26, 2026. In compliance with the promotional matters of the Taipei Exchange, a supplementary explanation of the validity period of the amount is provided and approved by the Board of Directors on May 7, 2026.