Announcement of Executive Personnel Changes

MU Ionic Solutions Corporation

Effective April 1, 2026

New	Current	Name
MU Ionic Solutions Corporation President and Chief Executive Officer	MU Ionic Solutions Corporation General Manager, Technical Dept.& Supply Chain Dept.	Katsutomo Tanaka
Mitsubishi Chemical Corporation General Manager, Planning Dept, Buisiness Planning Div. MMA&Derivatives Buisiness Group	MU Ionic Solutions Corporation President and Chief Executive Officer	Kenichiro Mawatari