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Governance5706Mitsui Kinzoku Company,LimitedIron & Steel, Nonferrous Metals

Report on Corporate Governance 2026/06/26

The company maintained its structure as a company with an Audit and Supervisory Committee and disclosed a structure including 5 outside directors and voluntary committees for nomination review and compensation. Following executive changes in April and June 2026, the president changed and the composition of the board changed. The company also newly established a Compliance Committee.

Worth reading
73In focus
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Direction
Mixed performance
Direction inferred from the company’s description.
Scale
—
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Wording
Definitive
How definitive the wording is.

Governance structure

Company with an Audit and Supervisory Committee
Controlling shareholder
No controlling shareholder or parent company

When one company holds most of the voting rights, its wishes are more likely to prevail in management. How the interests of minority shareholders are protected is a key issue.

Number of directors10 (including 5 outside directors)
Number of independent officers5Number

This is the number of people reported to the exchange as independent officers. Whether someone is an outside officer and whether they qualify as independent are separate determinations.

Committee2
Nomination Review Committee: 5 outside members out of 7 total; Compensation Committee: 5 outside members out of 7 total; Audit and Supervisory Committee: 3 outside directors out of 4 total; Compliance Committee: establishedwith the proportion of outside members 非開示
Policy on cross-shareholdings

The appropriateness of each holding is reviewed annually, and shares for which the company determines that there is no reasonable rationale for holding them are sold or otherwise disposed of. The number of holdings and their value are not disclosed.

Policy regarding shares of other companies held to maintain business relationships and for other purposes.

Takeover defenses

None (not adopted)

Pre-agreed countermeasures in preparation for an unsolicited takeover attempt.

Changes this time

As of 1 April 2026, 納武士 (Osamu Takeshi) changed from representative director and president to chairman of the Board, while 池信省爾 (Ikenobu Seiji) changed from representative director and executive vice president to representative director and president. As of 26 June 2026, the director position changed from 山下雅司 (Yamashita Masashi), who retired upon expiry of his term, to 吉本誠一朗 (Yoshimoto Seiichiro). A Compliance Committee was newly established in 2026.

Governance structure
ItemDetails
Corporate Governance StructureCompany with an Audit and Supervisory Committee
Number of directors10 (including 5 outside directors)
Number of independent officers5
CommitteeNomination Review Committee: 5 outside members out of 7 total; Compensation Committee: 5 outside members out of 7 total; Audit and Supervisory Committee: 3 outside directors out of 4 total; Compliance Committee: established, with the proportion of outside members Not disclosed
Policy on cross-shareholdingsThe appropriateness of each holding is reviewed annually, and shares for which the company determines that there is no reasonable rationale for holding them are sold or otherwise disposed of. The number of holdings and their value are not disclosed.
Takeover defensesNone (not adopted)
Controlling shareholderNo controlling shareholder or parent company
Changes this timeAs of 1 April 2026, 納武士 (Osamu Takeshi) changed from representative director and president to chairman of the Board, while 池信省爾 (Ikenobu Seiji) changed from representative director and executive vice president to representative director and president. As of 26 June 2026, the director position changed from 山下雅司 (Yamashita Masashi), who retired upon expiry of his term, to 吉本誠一朗 (Yoshimoto Seiichiro). A Compliance Committee was newly established in 2026.

The reasons the company gives

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

The company explains that it selected the company-with-an-Audit-and-Supervisory-Committee structure to accelerate decision-making, focus the matters deliberated by the Board of Directors, enhance discussions on management strategy, and strengthen the Board of Directors’ oversight function. It states that the Compliance Committee was established as part of efforts to strengthen internal controls.

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.
Report on Corporate Governance 2026/06/26 | Mitsui Kinzoku Company,Limited (5706) timely disclosure | Komori