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Governance5713Sumitomo Metal Mining Co.,Ltd.Iron & Steel / Nonferrous Metals

Corporate Governance Report 2026/10/28

Reports on the corporate governance framework, the board skills matrix, and the internal framework for timely disclosure. No specific changes from the previous report can be identified in the main text.

Worth reading
63In focus
Scored from 1 of 5 sections
Direction
Neutral
Direction inferred from the company’s description.
Scale
—
Displayed only when the document provides numerical figures.
Wording
Definitive
How definitive the wording is.

Governance structure

Company with an Audit & Supervisory Board
Number of directors8 directors, including 2 outside directors
Committee1
Governance Committee (proportion of external members: 非開示)
Changes this time

Changes from the previous report: Not disclosed

Governance structure
ItemDetails
Corporate Governance StructureCompany with an Audit & Supervisory Board
Number of directors8 directors, including 2 outside directors
CommitteeGovernance Committee (proportion of external members: Not disclosed)
Changes this timeChanges from the previous report: Not disclosed
Items this document does not state (4)
Number of independent officersPolicy 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.

It explains that the skill categories were selected with a primary focus on the knowledge, experience, capabilities and other attributes needed to achieve the long-term vision and realize the desired state in 2030.

How to read this page

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.
Weight is not a verdictIt measures how much this changes what the company had already told the market. It is not a view on the shares.
Corrections happenIf the company reissues this disclosure, the page is rebuilt from the corrected version and the revision number moves up.
Corporate Governance Report 2026/10/28 | Sumitomo Metal Mining Co.,Ltd. (5713) timely disclosure | Komori