Cosmo Energy Holdings Co., Ltd. announced that its Board of Directors approved the following change in Representative Director at its meeting held February 8, 2024. Name and Title of Retiring Representative Director (planned): Name: Takayuki Uematsu, Current title: Representative Director, Senior Managing Executive Officer, New title: Director. Reason for Change: Due to change in officer structure.

Date of change (resignation): April 1, 2024.