[Sumiseki Holdings] Announcement of New Executive Structure | June 2026

Overview of the Executive Structure

Sumiseki Holdings has finalized its new executive structure at the general meeting of shareholders and the Board of Directors held today. President Michihiro Mori will continue to serve, with officers including Mr. Isobe Kazunari, in charge of coal business, and Mr. Miyazawa Yoshinori, General Manager of Finance and General Affairs Department. The new appointments and external officers aim to strengthen management stability and promote business strategies.

Impact of the Executive Structure and Future Outlook

This personnel change aims to enhance management continuity and expertise. The new executive appointments are expected to improve operational efficiency and support medium- to long-term growth strategies. Sumiseki Holdings will continue to establish an appropriate management team, aiming to reinforce its business foundation and achieve sustainable growth.