[TaiCang Biotech] The Company's Board of Directors Resolves to Recall and Cancel Restricted Employee Shares That Do Not Meet Vesting Conditions to Adjust Capital

1. Date of Board Resolution: 2026/05/12 2. Reason for Capital Reduction: Due to some employees who were allocated restricted employee shares not meeting the vesting conditions stipulated in the restricted employee shares issuance method, the company is recalling these shares and, in accordance with the law, has resolved through the Board of Directors to cancel these shares and reduce capital. 3. Capital Reduction Amount: NT$101,280 4. Shares to be Cancelled: 10,128 shares 5. Capital Reduction Ratio: 0.003% 6. Capital after Reduction: 306,871,174 shares 7. Scheduled Date of Shareholder Meeting: Not applicable. 8. Estimated Number of Listed Common Shares after Capital Reduction: 251,871,174 shares 9. Estimated Ratio of Listed Common Shares to Issued Common Shares after Capital Reduction (Listed Common Shares after Reduction / Issued Common Shares after Reduction): 82.08% 10. If the estimated number of listed common 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. Effective Date of Capital Reduction: 2026/05/13 12. Other Matters Requiring Explanation: None.