[Grandness-KY] Supplementary Announcement on the Board Resolution to Convene the 2026 Annual General Meeting

1. Date of Board Resolution: 2026/04/27. 2. AGM Date: 2026/06/12. 3. Location: 15F Meeting Room AA+BB, No. 99, Fuxing N. Rd., Songshan Dist., Taipei City. 4. Type: Physical AGM. 5. Reports: 2025 Business Report, Audit Committee Report, Funding to Others/Endorsement Guarantees report, and announcement that the 2025 private placement will not be implemented. 6. Approvals: 2025 Financial Statements and Revised 2025 Loss Offset Plan. 7. Discussion: Amendment to Articles of Association. 8. Book Closure: 2026/04/14 to 2026/06/12. 9. Shareholder Proposals: Accepted from 2026/04/02 to 2026/04/13. 10. Electronic Voting: Available from 2026/05/13 to 2026/06/09 via TDCC website. Keywords: Material Information.