Unimicron Technology Corp. announced change of CIO & CISO. Name, title, and resume of the previous position holder: Mike Ma/The Company¡¦s CTO & CIO & CISO 4.Name, title, and resume of the new position holder: CIO changed title to CDO: JiFu Kung/The Company¡¦s Sr. Vice President of Smart Factory CISO: Robert Yeh/The Company¡¦s Sr.Director of Information Communication Tech.

Div. Name, title, and resume of the new position holder: CIO changed title to CDO: JiFu Kung/The Company¡¦s Sr. Vice President of Smart Factory CISO: Robert Yeh/The Company¡¦s Sr.Director of Information Communication Tech. Div.

Effective Date is January 1, 2023.