2492 Walsin Technology Announces Cash Dividend Record Date and Adjusted Payout Ratio

Announcement Date: June 25, 2026 (Minguo 115) Statement Date: June 24, 2026 (Minguo 115) Statement Time: 15:09:48 Company Code: 2492 Company Name: Walsin Technology Purpose: Announcement of cash dividend record date and adjusted dividend payout ratio Applicable Clause: Clause 14 Factual Date: June 24, 2026 (Minguo 115)

Details: 1. Date of board, shareholders' meeting resolution, or company decision: June 24, 2026 (Minguo 115/06/24) 2. Type of ex-dividend (please enter 'ex-rights', 'ex-dividend', or 'ex-rights and ex-dividend'): ex-dividend 3. Type and amount of ordinary share dividend distribution: Cash dividend totaling NT$1,214,511,935, with NT$2.50309147 per share distributed 4. Ex-dividend trading date: July 9, 2026 (Minguo 115/07/09) 5. Final transfer date: July 10, 2026 (Minguo 115/07/10) 6. Start date of transfer suspension: July 11, 2026 (Minguo 115/07/11) 7. End date of transfer suspension: July 15, 2026 (Minguo 115/07/15) 8. Ex-dividend benchmark date: July 15, 2026 (Minguo 115/07/15) 9. Final date for bond conversion application: Not applicable 10. Start date for suspension of bond conversion: Not applicable 11. End date for suspension of bond conversion: Not applicable 12. Ordinary share cash dividend payment date: July 29, 2026 (Minguo 115/07/29) 13. Other matters to be disclosed: - Due to the transfer of 400,000 treasury shares to employees and the cancellation of 600,000 shares, the adjusted number of issued and outstanding distributable shares is 485,204,774, resulting in an adjusted dividend per share. - Dividend distribution is calculated to the nearest New Taiwan dollar (amounts below NT$1 are truncated). The total amount of fractional payments less than NT$1 will be reclassified by the company as other income.