Update on System Disruptions Caused by Unauthorized Third-Party Access

Worth reading

50Recurring

Scored from 2 of 5 sections

Direction

Neutral

Direction inferred from the company’s description.

Scale

—

Displayed only when the document provides numerical figures.

Wording

Avoiding a definitive answer

How definitive the wording is.

Subject Entity

The filing company and its overseas consolidated subsidiaries (FUKUVI VIETNAM and FUKUVI THAILAND)

Target Locations / Products

Dedicated building-materials product website (English version): fukuvikenzai.com; overseas consolidated subsidiary websites (FUKUVI VIETNAM and FUKUVI THAILAND): ftc.fukuvi-jp.com and fvc.fukuvi-jp.com; Fandaline website (English version): fandaline.fukuvi-jp.com

This disclosure09/30/2026

Cause

Unauthorized access by a third party. The affected websites were operated on rental servers provided by an external service provider.

Company response

Investigation structure

The investigation is continuing. Details regarding a third-party committee or special investigation committee: not disclosed

Outlook

The investigation will continue, and we will promptly announce any matters newly identified as requiring disclosure.

Planned follow-up disclosure

We will promptly announce any matters newly identified as requiring disclosure.

Event that occurred
Item	Details
Event name	Update on System Disruptions Caused by Unauthorized Third-Party Access
Subject Entity	The filing company and its overseas consolidated subsidiaries (FUKUVI VIETNAM and FUKUVI THAILAND)
Target Locations / Products	Dedicated building-materials product website (English version): fukuvikenzai.com; overseas consolidated subsidiary websites (FUKUVI VIETNAM and FUKUVI THAILAND): ftc.fukuvi-jp.com and fvc.fukuvi-jp.com; Fandaline website (English version): fandaline.fukuvi-jp.com
Cause	Unauthorized access by a third party. The affected websites were operated on rental servers provided by an external service provider.
Investigation structure	The investigation is continuing. Details regarding a third-party committee or special investigation committee: not disclosed
Outlook	The investigation will continue, and we will promptly announce any matters newly identified as requiring disclosure.
Planned follow-up disclosure	We will promptly announce any matters newly identified as requiring disclosure.

Items this document does not state (18)

Date of occurrenceDate recognized / date notice receivedAmount of Impact on Business PerformanceAccounting period in which recognizedImpact on Earnings ForecastType of litigation or proceedingCourt or authorityPlaintiffDefendantDate of filing / date of actionClaim amount / surcharge amountAmount of receivables at risk of non-collection or delayed collectionSuspended operationsScheduled resumption dateMeasures to prevent recurrenceDirectors' and officers' liabilityVoting rights ownership percentage before the changeVoting rights ownership percentage after the change

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.

The English-language websites for overseas markets, which were operated on rental servers provided by an external service provider, were subject to unauthorized access by a third party.

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.