[Da-Dong Electric] Announcement of Board Resolution to Issue First Domestic Unsecured Convertible Bonds

1. Board Resolution Date: 2026/05/29 2. Name: Da-Dong Electric Wire & Cable Co., Ltd. 1st Unsecured Bond 3. Shelf Registration: No 4. Total Issuance: NT$2,000,000,000 5. Face Value: NT$100,000 per unit 6. Issuance Price: 100.5% of face value 7. Term: 3 years 8. Coupon Rate: 0% 9. Collateral: N/A 10. Use of Proceeds: Repayment of bank loans and working capital 11. Underwriting Method: Inquiry-based public offering 12. Trustee: Taichung Commercial Bank 13. Underwriter: Cathay Securities Corp. 14. Guarantor: N/A 15. Paying Agent: KGI Securities 16. Certification: N/A 17-21. Conversion Terms: To be determined by the Chairman based on market conditions and announced separately. 22. Other: The Chairman is authorized to handle all matters related to this issuance.