CHAMPION Announces Record Date for Cash Dividend Distribution

1. Date of Board of Directors, Shareholders' Meeting Resolution, or Company Decision: July 3, 2026 (Minguo Year 115) 2. Type of Ex-Rights/Ex-Dividend (please enter 'Ex-Rights', 'Ex-Dividend', or 'Ex-Rights-Ex-Dividend'): Ex-Dividend 3. Ordinary Share Dividend Type and Amount: Cash dividend of NT$57,977,531, equivalent to NT$0.15 per share 4. Ex-Dividend Trading Day: July 23, 2026 (Minguo Year 115) 5. Last Transfer Date: July 25, 2026 (Minguo Year 115) 6. Start Date of Transfer Suspension: July 26, 2026 (Minguo Year 115) 7. End Date of Transfer Suspension: July 30, 2026 (Minguo Year 115) 8. Ex-Dividend Record Date: July 30, 2026 (Minguo Year 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: August 20, 2026 (Minguo Year 115) 13. Other Matters to be Disclosed: Authorized by the shareholders' meeting on June 17, 2026 (Minguo Year 115), with the chairman making the final decision on July 3, 2026 (Minguo Year 115).