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Statutory disclosure document6594NIDEC CORPORATIONElectrical Equipment and Precision Instruments

Publication of the Investigation Report by the Executive Liability Investigation Committee

Partial redaction measures to protect trade secrets and personal information in the Investigation Report of the Executive Responsibility Investigation Committee have been completed, and the public version has been released. Based on the report, the company is considering legal measures, including claims for damages against former executives, and states that it will disclose its decision once made.

Worth reading
77Important
0–100. This measures how worthwhile something is to read, not how good or bad the company is.
Direction
Mixed performance
Direction inferred from the company’s description.
Scale
22207198462
Japanese yen (investigation costs; audit costs of ¥5,335,082,399 and listing penalty of ¥91,200,000 also incurred)
Wording
Avoiding a definitive answer
How definitive the wording is.

Decision and Details

Publication of the Investigation Report of the Executive Responsibility Investigation Committee

Decision20 October 2026 (publication date) / The decision to establish the Executive Responsibility Investigation Committee was made at meetings of the Board of Directors and Audit and Supervisory Committee held on 13 March 2026
Period CoveredInvestigation period covered fiscal 2020 through the first quarter of fiscal 2025. The investigation was conducted from 7 April 2026 through 16 October 2026
Implementation20 October 2026 (published)
Going forwardThe company will consider whether to pursue claims for damages and other legal measures and will promptly disclose its decision once made. After corrections to the financial statements for prior fiscal years are completed, it will consider necessary legal measures, including filing a lawsuit, and respond promptly
AmountInvestigation costs: ¥22,207,198,462; audit costs: ¥5,335,082,399; listing penalty: ¥91,200,000
Quantity / scaleThe subjects of the investigation were directors, audit and supervisory board members, and certain executive officers. The committee conducted its investigation from 7 April through 16 October 2026 and held a total of 28 meetings
Reason

Partial redactions were made to the investigation report as necessary to protect trade secrets and personal privacy. In addition, the treatment of retained earnings was excluded from the investigation because corrected securities reports for prior fiscal years had not been filed and the distributable amount was uncertain

Impact on Business Performance

The company incurred investigation costs, audit costs and a listing penalty. The report states that the company recorded substantial impairment losses and other items as a result of the correction of its financial results

Decision and Details
ItemDetails
Matter CoveredPublication of the Investigation Report of the Executive Responsibility Investigation Committee
Decision Date20 October 2026 (publication date) / The decision to establish the Executive Responsibility Investigation Committee was made at meetings of the Board of Directors and Audit and Supervisory Committee held on 13 March 2026
Implementation Date20 October 2026 (published)
Period CoveredInvestigation period covered fiscal 2020 through the first quarter of fiscal 2025. The investigation was conducted from 7 April 2026 through 16 October 2026
AmountInvestigation costs: ¥22,207,198,462; audit costs: ¥5,335,082,399; listing penalty: ¥91,200,000
Quantity / scaleThe subjects of the investigation were directors, audit and supervisory board members, and certain executive officers. The committee conducted its investigation from 7 April through 16 October 2026 and held a total of 28 meetings
Impact on Business PerformanceThe company incurred investigation costs, audit costs and a listing penalty. The report states that the company recorded substantial impairment losses and other items as a result of the correction of its financial results
ReasonPartial redactions were made to the investigation report as necessary to protect trade secrets and personal privacy. In addition, the treatment of retained earnings was excluded from the investigation because corrected securities reports for prior fiscal years had not been filed and the distributable amount was uncertain
Governing RuleCompanies Act, Article 423(1); Civil Code, Articles 644 and 415(1); Executive Officer Regulations
Related previous disclosures“Receipt of the Investigation Report from the Executive Responsibility Investigation Committee,” dated 16 October 2026. “Notice Regarding Receipt of the Investigation Report (Final Report) from the Independent Investigation Committee and the Company’s Response,” dated 17 April 2026. Press conference material dated 1 October 2026, “Transformation Toward Recovery”
Future plansThe company will consider whether to pursue claims for damages and other legal measures and will promptly disclose its decision once made. After corrections to the financial statements for prior fiscal years are completed, it will consider necessary legal measures, including filing a lawsuit, and respond promptly
Items this document does not state (1)
Decision-Making Body

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.

Partial redaction measures to protect trade secrets and personal privacy have been completed. With regard to legal measures based on the report, the company will consider whether claims for damages and other measures are necessary.

How to read this page

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Corrections happenIf the company reissues this disclosure, the page is rebuilt from the corrected version and the revision number moves up.
Publication of the Investigation Report by the Executive Liability Investigation Committee | NIDEC CORPORATION (6594) timely disclosure | Komori