Hi-Lai: Announcement by Important Subsidiary Jinyutai Co., Ltd. Regarding Board Resolution to Conduct Cash Capital Increase (Supplemental Announcement)

1. Date of board resolution: 2025/10/17 2. Source of capital increase funds: Cash capital increase by issuing common shares 3. Whether to adopt a master filing for new share issuance (Yes, please state the scheduled issuance period / No): No 4. Total issuance amount and shares (for capital increase from earnings or capital reserves, excluding shares distributed to employees): Total issuance amount: NT$800,000 thousand Total issuance shares: 80,000 thousand common shares 5. For master filing cases for new share issuance, the issuance amount and shares for this time: Not applicable 6. For master filing cases for new share issuance, the remaining amount and shares balance after this issuance: Not applicable 7. Par value per share: NT$10 8. Issuance price: Not applicable 9. Shares subscribed by employees or allocation amount: In accordance with Article 267 of the Company Act, 10% (8,000,000 shares) are reserved for employee subscription 10. Public sale shares: Not applicable 11. Proportion for existing shareholders' subscription or gratuitous allocation: 90% 12. Handling of odd lots and unsubscribed shares after expiration: Not applicable 13. Rights and obligations of new shares issued this time: Same as existing shares 14. Purpose of this capital increase: To replenish working capital and optimize the capital structure 15. Other matters to be specified: None