Investor Relations May 14, 2020 FINANCIAL RESULTS SUMMARY OF CONSOLIDATED FINANCIAL RESULTS For the Year Ended March 31, 2020 May 14, 2020 NOTICE Regarding Execution of Share Exchange Agreement Concerning ARRK Corporation Becoming A Wholly-Owned Subsidiary of Mitsui Chemicals May 14, 2020 NOTICE Notice Regarding Simplified Share Exchange to Make ARRK Corporation A Wholly-Owned Subsidiary of Mitsui Chemicals, Inc. and Absorption-Type Merger (Simplified Merger / Short-Form Merger) by Mitsui Chemicals, Inc. of Wholly-Owned Subsidiary MC Investment 01 Corporation February 5, 2020 FINANCIAL RESULTS SUMMARY OF CONSOLIDATED FINANCIAL RESULTS For the Nine Months Ended December 31 , 2019 November 6, 2019 FINANCIAL RESULTS SUMMARY OF CONSOLIDATED FINANCIAL RESULTS For the Six Months Ended September 30 , 2019 READ MORE IR NEWS Please read our IR News. FINANCIAL HIGHLIGHTS Please check our Financial Highlights. IR LIBRARY Please check our Financial Result, Presentation, Annual Report. STOCK INFORMATION Please read our Stock Summary, Shareholder Procedures. SHAREHOLDERS MEETING Please read our meeting summary. IR CALENDAR Please check our IR related schedule.