[Chilisin] Announcement on Completion of Paid-in Capital Change Registration for Buyback and Cancellation of Restricted Employee Shares

1. Date of capital reduction approval by the competent authority: 2026/05/19 2. Date of completion of capital change registration: 2026/05/19 3. Impact on financial statements (including the difference in paid-in capital and outstanding shares, and the impact on net value per share): (1) Paid-in capital: Before change NT$918,985,140, after change NT$918,860,140. (2) Net value per share: Before change NT$62.52, after change NT$62.52. (Note: Net value per share is calculated based on the consolidated financial statements for the first quarter of fiscal year 115 (2026).) 4. Planned share exchange program: Not applicable. 5. Estimated number of listed common shares after the new shares from capital reduction are listed: Not applicable. 6. Estimated ratio of listed common shares to total issued common shares after listing of new shares from capital reduction: Not applicable. 7. For cases where the estimated number of listed common shares after capital reduction is less than 60 million shares and less than 25%, please explain the measures to address low liquidity: Not applicable. 8. Other matters to be stated: None.