Walsin Technology Announces Board Resolution to Cancel Treasury Shares and Set Capital Reduction Record Date

1. Date of Board Resolution: 2026/04/29 2. Reason for Capital Reduction: The transfer period for the company's 16th repurchase of treasury shares has expired. In accordance with Article 28-2, Paragraph 4 of the Securities and Exchange Act, the company will cancel shares not transferred to employees. 3. Capital Reduction Amount: NT$6,000,000 4. Shares to be Cancelled: 600,000 shares 5. Capital Reduction Ratio: 0.12% 6. Capital After Reduction: NT$4,852,047,740 7. Scheduled Date of Shareholders' Meeting: Not applicable 8. Estimated Number of Listed Ordinary Shares After Capital Reduction and New Share Listing: Not applicable 9. Ratio of Estimated Listed Ordinary Shares After Capital Reduction and New Share Listing to Total Issued Ordinary Shares (Number of Listed Ordinary Shares After Reduction / Total Issued Ordinary Shares After Reduction): Not applicable 10. For cases where the estimated number of listed ordinary shares after capital reduction in the preceding two items is less than 60 million shares and less than 25%, please explain the measures to address low stock liquidity: Not applicable 11. Capital Reduction Record Date: 2026/04/30 12. Other matters that should be specified: None