【Zyxel Communications Corp.】Announcement by Subsidiary Zyxel Technology Co., Ltd. of Ex-dividend Record Date

1. Date of resolution by the board of directors, shareholders' meeting, or company decision: 2026/05/04 2. Type of capital reduction or dividend (please fill in "ex-rights", "ex-dividend", or "ex-rights and ex-dividend"): Ex-dividend 3. Type and amount of dividends distributed: Common stock cash dividend of NTD 334,211,850, with NTD 4.613 distributed per share. 4. Ex-rights (ex-dividend) trading date: NA 5. Last day for transfer registration: 2026/09/06 6. Start date for suspension of transfer registration: 2026/09/07 7. End date for suspension of transfer registration: 2026/09/11 8. Ex-rights (ex-dividend) record date: 2026/09/11 9. Other matters to be specified: The cash dividend distribution date is set for September 16, 2026.