Yageo Announces Board Resolution for Capital Reduction by Canceling Treasury Shares

1. Board resolution date: 2026/04/15 2. Reason for capital reduction: To cancel the company's 14th treasury share buyback in accordance with Article 28-2, Paragraph 1, Item 3 of the Securities Transaction Act. 3. Capital reduction amount: NT$31,836,990 4. Shares to be cancelled: 12,734,796 shares 5. Capital reduction ratio: 0.61% 6. Post-reduction share capital: NT$5,146,826,720 7. Applicable shareholder meeting date: Not applicable 8. Number of common shares expected to be listed after capital reduction: Not applicable 9. Percentage of listed common shares to issued common shares after capital reduction (post-reduction listed common shares / post-reduction issued common shares): Not applicable 10. If the number of listed common shares after capital reduction is less than 60 million and less than 25%, please explain the measures to address low stock liquidity: Not applicable 11. Capital reduction base date: 2026/06/10 12. Other matters to be noted: None