6416 Richtek Technology Announces Ex-Dividend Date for Cash Dividend

Announcement Date: July 8, 2026 Statement Date: July 7, 2026 Statement Time: 17:53:06 Company Code: 6416 Company Name: Richtek Technology Subject: Announcement of Ex-Dividend Date Applicable Clause: Clause 14 Factual Date: July 7, 2026 Details: 1. Date of Board, Shareholders' Meeting Resolution or Company Decision: July 7, 2026 2. Type of Rights/Dividend Adjustment (please enter 'Rights Adjustment', 'Dividend Adjustment', or 'Rights and Dividend Adjustment'): Dividend Adjustment 3. Type and Amount of Ordinary Share Dividend: Cash Dividend of NT$205,375,688 4. Ex-Dividend Trading Day: July 28, 2026 5. Last Transfer Date: July 29, 2026 6. Transfer Suspension Start Date: July 30, 2026 7. Transfer Suspension End Date: August 3, 2026 8. Ex-Dividend Reference Date: August 3, 2026 9. Final Bond Conversion Application Date: Not Applicable 10. Bond Conversion Suspension Start Date: Not Applicable 11. Bond Conversion Suspension End Date: Not Applicable 12. Ordinary Share Cash Dividend Payment Date: August 28, 2026 13. Other Matters to be Stated: None