[Unizyx] Announcement regarding the adjustment of cash dividend distribution rate for subsidiary Zyxel Networks

1. Date of the Board of Directors or Shareholders' Meeting resolution: 2026/05/29 2. Original type and amount of dividend: Cash dividend: NT$ 147,392,532, with a cash dividend of NT$ 1.212 per share. 3. Revised type and amount of dividend: Cash dividend: NT$ 147,392,532, with a cash dividend of NT$ 1.22219070 per share. 4. Reason for the change: Due to changes in the company's treasury stock, the total number of outstanding shares has changed, resulting in an adjustment to the distribution ratio. 5. Other matters to be stated: None.