Cheng Mei Materials Technology Corporation announced the change of accounting officer. Name, title, and resume of the previous position holder: Pei-Ming Huang/Director of Finance Dep.of CMMT. Name, title, and resume of the new position holder: Accounting officer:Shih-Hua Chang/manager of accounting dep.

of CMMT. Reason for the change: position adjustment. Effective date: June 25, 2024.