Announcement Regarding Change of Internal Audit Head of Unicocell Biotechnology (6794)

Announcement Date: 2026/05/22 Company Code: 6794 Company Name: Unicocell Biotechnology Subject: Announcement of change of our company's internal audit head.

1. Type of personnel change: Head of Internal Audit 2. Date of change: 2026/05/22 3. Former incumbent: Liu Rui-Yu, Manager / Head of Internal Audit 4. New incumbent: None 5. Circumstances of change: Resignation 6. Reason for change: Personal career planning 7. Effective date: 2026/05/22 8. Other notes: (1) Before the new internal audit head takes office, the company's audit deputy will temporarily act in the capacity. (2) The new head of internal audit will be announced separately after approval by the audit committee and the board of directors.