[LUCID] Announcement of the Record Date for the Company's 2025 Cash Dividend

1. Board of Directors, Shareholders' Meeting Resolution, or Company Decision Date: 2026/06/10 2. Ex-rights/Ex-dividend Type (Please fill in "Ex-rights", "Ex-dividend", or "Ex-rights and Ex-dividend"): Ex-dividend 3. Common Stock Dividend Type and Amount: Cash Dividend - NT$261,114,309 (NT$1.20 per share) 4. Ex-rights/Ex-dividend Trading Date: 2026/07/09 5. Last Transfer Date: 2026/07/12 6. Suspension of Transfer Start Date: 2026/07/13 7. Suspension of Transfer End Date: 2026/07/17 8. Ex-rights/Ex-dividend Record Date: 2026/07/17 9. Last Application Date for Bond Conversion: Not Applicable 10. Bond Conversion Suspension Start Date: Not Applicable 11. Bond Conversion Suspension End Date: Not Applicable 12. Common Stock Cash Dividend Payment Date: Not Applicable 13. Other Matters to be Noted: Scheduled cash dividend payment date 2026/08/07