Han Tang Announces Determination of Dividend Ex-Date

1. Date of Board, Shareholders' Meeting Resolution or Company Decision: 06/18/2026 (Minguo 115) 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$40 per share 4. Ex-Dividend Trading Date: 07/16/2026 (Minguo 115) 5. Final Transfer Date: 07/19/2026 (Minguo 115) 6. Start Date of Transfer Suspension: 07/20/2026 (Minguo 115) 7. End Date of Transfer Suspension: 07/24/2026 (Minguo 115) 8. Ex-Dividend Reference Date: 07/24/2026 (Minguo 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 (Minguo 115) 13. Other Matters to be Disclosed: The cash dividend will be distributed on 08/14/2026 via check or bank transfer. Shareholders who hold company shares but have not yet completed transfer procedures: Since the final transfer dates, July 18 and 19, 2026 (Minguo 115), fall on holidays, please complete the transfer process in person by 4:30 PM on Friday, July 17, 2026, at our share transfer agent: Taishin Securities Co., Ltd. / Share Affairs Department (Address: B1, No. 96, Sec. 1, Jianguo N. Rd., Zhongshan Dist., Taipei City 10489, Tel: 02-25048125). For registered mail, the postmark date of July 19, 2026 (Minguo 115), the final transfer date, will be valid for cash dividend distribution. For shareholders participating in centralized transfer processing through the Taiwan Depository & Clearing Corporation, our share transfer agent will process the transfer directly based on the submitted data.