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Governance4043Tokuyama CorporationMaterials and Chemicals

Corporate Governance Report 2026/06/29

From April 2026, the executive officer structure was partially revised, and Arimura Nami (有村納美), Katayama Yoshimichi (片山義理) and Mitani Atsunari (三谷敦成) were newly appointed as executive officers. Yokota Hiroshi (横田浩) became Executive Officer and Chair, and Inoue Tomohiro (井上智弘) became President and Executive Officer. The responsibilities of Nagase Katsumi (長瀬克己) and certain other officers were also changed.

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Contents of this filing

Changes this time

From April 2026, Yokota Hiroshi (横田浩) became Executive Officer and Chair, and Inoue Tomohiro (井上智弘) became President and Executive Officer. Arimura Nami (有村納美), Katayama Yoshimichi (片山義理) and Mitani Atsunari (三谷敦成) were newly appointed as executive officers. Nagase Katsumi (長瀬克己) also assumed responsibility as Head of the Research and Development Division, and Ito Tsuyoshi (伊藤剛史) assumed responsibility as Head of the Corporate Planning Division.

この書類は、機関設計や取締役会の構成そのものは述べていません。上に示したのは、この書類が述べている変更点です。

Contents of this filing
ItemDetails
Changes this timeFrom April 2026, Yokota Hiroshi (横田浩) became Executive Officer and Chair, and Inoue Tomohiro (井上智弘) became President and Executive Officer. Arimura Nami (有村納美), Katayama Yoshimichi (片山義理) and Mitani Atsunari (三谷敦成) were newly appointed as executive officers. Nagase Katsumi (長瀬克己) also assumed responsibility as Head of the Research and Development Division, and Ito Tsuyoshi (伊藤剛史) assumed responsibility as Head of the Corporate Planning Division.
Items this document does not state (7)
Corporate Governance StructureNumber of directorsNumber of independent officersCommitteePolicy on cross-shareholdingsTakeover defensesControlling shareholder

These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.

The reasons the company gives

The company's own explanation, not something inferred from the numbers.

To address important objectives and issues facing the Group, including enhancing corporate value, transforming the business portfolio, promoting sustainability, finance and investment, and procurement and logistics, by making use of each individual’s extensive business experience.

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This is not the documentKomori reads the disclosure the company filed and writes this summary. Figures are as stated by the company and are not audited.
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Corporate Governance Report 2026/06/29 | Tokuyama Corporation (4043) timely disclosure | Komori