[Aurora] Announcement of ex-dividend record date for key subsidiary Kingi Corp.

1. Date of Board or Shareholder Meeting resolution: 2026/06/17 2. Dividend Type: Ex-dividend 3. Dividend Amount: Cash dividend of 227,531,322 TWD (2.52 TWD per share) 4. Trading Date: NA 5. Last date for transfer: 2026/07/07 6. Suspension of transfer start date: 2026/07/08 7. Suspension of transfer end date: 2026/07/12 8. Ex-dividend record date: 2026/07/12 9. Other items: (1) Cash dividend payment date: 2026/07/22 (2) Cash dividend is calculated to the nearest Taiwan Dollar, with amounts below one dollar rounded down.