History

As for detailed histories of Mitsubishi Chemical Corporation, Mitsubishi Plastics, Inc., and Mitsubishi Tanabe Pharma Corporation, please refer to each website.

October 3, 2005 Mitsubishi Chemical Holdings Corporation was jointly established by Mitsubishi Chemical Corporation and Mitsubishi Pharma Corporation, by means of a stock-for-stock exchange effective October 1, 2005.
October 10, 2006 Relocated the head office to 4-chome, Minato-ku, Tokyo.
October 1, 2007 Mitsubishi Plastics, Inc. became a wholly owned subsidiary of Mitsubishi Chemical Holdings Corporation.

Mitsubishi Pharma Corporation and Tanabe Seiyaku Co., Ltd. merged and became a listed subsidiary of Mitsubishi Chemical Holdings Corporation as Mitsubishi Tanabe Pharma Corporation.

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