Tylin (6799) Completes Capital Reduction Registration Following Cancellation of Restricted Employee Shares

Reporting Date: May 16, 2026 Announcement Date: May 15, 2026 Announcement Time: 14:57:00 Company Code: 6799 Company Name: Tylin Subject: Capital Reduction Registration Completed Following Cancellation of Restricted Employee Shares Applicable Clause: Article 36 Event Date: May 15, 2026

Explanation: 1. Date Approved by Authority: May 11, 2026 2. Date of Completion of Capital Change Registration: May 11, 2026 3. Impact on Financial Statements: (1) Before reduction: Paid-in capital of NT$437,015,930; 43,432,593 shares outstanding; net worth per share of NT$36.63. (2) Capital reduction of NT$594,000 (59,400 shares). (3) After reduction: Paid-in capital of NT$436,421,930; 43,373,193 shares outstanding; net worth per share of NT$36.68. 4. Expected Share Exchange Plan: Not Applicable. 5. Expected Number of Listed Shares Post-reduction: Not Applicable. 6. Expected Ratio of Listed Shares Post-reduction: Not Applicable. 7. Measures to address low liquidity: Not Applicable. 8. Other Required Matters: (1) The company received the approval letter for the capital reduction change registration on May 15, 2026. (2) The net worth per share is based on the equity attributable to the parent company owners in the 2026 Q1 consolidated financial statements.