Mitsui Chemicals Inc - (progress of disclosure matters) notice regarding establishment of a new company in connection with acquisition of Ultradent Products, Inc.

Mitsui Chemicals Inc. has announced the establishment of a new U.S.-based holding company in connection with its acquisition of Ultradent Products, Inc. The newly formed entity will serve as the vehicle through which Mitsui Chemicals America, Inc. will acquire Ultradent’s shares and business assets. The transaction is valued at approximately $900 million and is expected to close in September 2026, pending regulatory approvals and customary closing conditions.

Ultradent, a leading U.S. dental materials company, reported consolidated sales of $372.1 million and operating income of $30.9 million for fiscal year 2025. The acquisition is part of Mitsui Chemicals’ broader strategy to expand its presence in life and healthcare solutions sector, a key area of focus for the company’s growth through mergers and acquisitions.

The new U.S. holding company will also serve as the global headquarters for Mitsui Chemicals’ oral care business, integrating Ultradent’s clinical expertise with Mitsui’s chemical technologies and Kulzer’s restorative portfolio. The move is expected to enhance cross-selling opportunities and support the development of new dental solutions.