Notice Concerning the Conclusion of Business Integration Agreement and Share Exchange Agreement in Respect of the Business Integration of Mitsubishi Kakoki Kaisha, Ltd. and TSUKISHIMA HOLDINGS CO., LTD., the Transition to a Holding Company Structure through an Absorption-Type Company Split of Mitsubishi Kakoki Kaisha, Ltd., the Change of Trade Name, Other Partial Amendments to the Articles of Incorporation, and the Change in Representative Director