Briefing on Financial Results for the Fiscal Year Ending March 2022

Notice of Revenue from Electricity Sales in April 2022

Notice of Continuation of Non-Performance-Based Stock Compensation Plan for External Directors

Notice Regarding Partial Amendments to the Articles of Incorporation

Notice Concerning Start of Geothermal Resources Surveys in the Esan District of Hakodate in Hokkaido and Mitsubishi Materials Corporation’s Participation in the Project

Notice of Revenue from Electricity Sales in May 2022

Notice of Revenue from Electricity Sales in June 2022

Notice Regarding Conclusion of Power Purchase Agreement (PPA) with Tokyo Gas Co., Ltd. on Power Generated by Non-FIT Solar Power Plants

Notice of Revenue from Electricity Sales in July 2022

Notice Regarding Additional Contributions to Share Delivery Trust for Employees of the Company and its Subsidiaries