ASMedia Announces Ex-Dividend Date

1. Date of Board, Shareholders' Meeting Resolution, or Company Decision: 07/03/2026 (ROC 115) 2. Type of Ex-Rights/Ex-Dividend (please fill in 'Ex-Rights', 'Ex-Dividend', or 'Ex-Rights-Ex-Dividend'): Ex-Dividend 3. Types and Amounts of Ordinary Share Dividends: Cash dividend of NT$3,364,970,805 for ordinary shares, with NT$45.37669932 per share distributed 4. Ex-Rights (Ex-Dividend) Trading Day: 07/21/2026 (ROC 115) 5. Last Transfer Date: 07/22/2026 (ROC 115) 6. Start Date of Transfer Suspension: 07/23/2026 (ROC 115) 7. End Date of Transfer Suspension: 07/27/2026 (ROC 115) 8. Ex-Rights (Ex-Dividend) Benchmark Date: 07/27/2026 (ROC 115) 9. Final Date for Bond Conversion Application: Not applicable. 10. Start Date of Bond Conversion Suspension: Not applicable. 11. End Date of Bond Conversion Suspension: Not applicable. 12. Ordinary Share Cash Dividend Payment Date: 08/14/2026 (ROC 115) 13. Other Matters to be Disclosed: None. Keywords: Material Information