Cosmo Energy Holdings Co., Ltd. announce that its Board of Directors approved the following change in Representative Director at its meeting held January 24, 2023. The change aims to drive efforts to realize Cosmo's Seventh Medium-term Management Plan and to achieve sustainable development of the Group and further increase its corporate value. Name and Title of New Representative Director (planned): Name: Shigeru Yamada, New title: Representative Director, Group CEO, Current title: Director, Senior Executive Officer.

Hiroshi Kiriyama, current Representative Director and Group CEO will assume the position of Representative Director and Chairman of Cosmo's Board of Directors, effective April 1, 2023, in accordance with changes in the Company's Directors and Executive Officers. Planned Date of Appointment is April 1, 2023. March 1988 Graduated from the Department of Economics, Seijo University; April 1988 Joined Cosmo Oil Co., Ltd.; June 2015 Appointed Director, Supply Department of the above; April 2018: Appointed Executive Officer and General Manager, Corporate Planning Department, Cosmo Energy Holdings Co., Ltd. April 2020: Appointed Senior Executive Officer of the above, June 2020 to Present: Appointed Director and Senior Executive Officer of the above.