Komori
Statutory disclosure document1801TAISEI CORPORATIONConstruction and Materials

Notice Regarding the Supreme Court Decision in a Case Involving Alleged Violations of the Antimonopoly Act

The Supreme Court dismissed the Company's appeal, making final the ¥250 million fine imposed on the Company and the suspended sentence conviction of its former adviser in the Antimonopoly Act violation case.

Worth reading
62In focus
0–100. This measures how worthwhile something is to read, not how good or bad the company is.
Direction
Deterioration
Direction inferred from the company’s description.
Scale
250000000
Yen (fine)
Wording
Definitive
How definitive the wording is.

Decision and Details

Supreme Court

Supreme Court decision in case involving alleged violation of the Antimonopoly Act

Decision14 September 2026
Implementation14 September 2026 (Supreme Court decision; the conviction thereby became final)
Going forwardEnsure thorough compliance with laws and regulations and strive to further strengthen the compliance system
AmountFine imposed on the Company: ¥250 million
Reason

Because the Company's appeal was dismissed

Decision and Details
ItemDetails
Matter CoveredSupreme Court decision in case involving alleged violation of the Antimonopoly Act
Decision-Making BodySupreme Court
Decision Date14 September 2026
Implementation Date14 September 2026 (Supreme Court decision; the conviction thereby became final)
AmountFine imposed on the Company: ¥250 million
ReasonBecause the Company's appeal was dismissed
Governing RuleAntitrust
Related previous disclosuresAppeal filed with the Supreme Court on 10 March 2023 (title: Not disclosed)
Future plansEnsure thorough compliance with laws and regulations and strive to further strengthen the compliance system
Items this document does not state (3)
Period CoveredQuantity / scaleImpact on Business Performance

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.

Because the Supreme Court decided to dismiss the Company's appeal.

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Notice Regarding the Supreme Court Decision in a Case Involving Alleged Violations of the Antimonopoly Act | TAISEI CORPORATION (1801) timely disclosure | Komori