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Occurring Fact7815TOKYO BOARD INDUSTRIES CO.,LTD.Information and Communications, Services and Others

(Progress on Disclosed Matter) Notice Regarding the Resumption of Production at the Sakura Plant

Production on the manufacturing line at the Sakura Plant, which had been suspended following a minor fire, resumed on 10 June 2026 after the installation of additional firefighting equipment and equipment inspections were completed and safety was confirmed. Going forward, production volumes will be increased in stages, and shipments of products will resume sequentially.

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Resumption of production at the Sakura Plant

Subject Entity

TOKYO BOARD INDUSTRIES CO.,LTD.

Target Locations / Products

Manufacturing line at the Sakura Plant

Occurrence10 June 2026 (date production resumed)
This disclosure06/10/2026
Cause

As disclosed on 4 November 2025, a minor fire occurred on the manufacturing line. The cause of the minor fire is not disclosed.

Company response

Suspended operations

Production on the manufacturing line at the Sakura Plant

Scheduled resumption date

10 June 2026

Impact on Earnings Forecast

The impact on consolidated results is currently under investigation and is scheduled to be announced once clarified.

Outlook

Production volumes will be increased in stages, and products will be delivered to customers sequentially.

Planned follow-up disclosure

The impact on consolidated results is scheduled to be announced once clarified.

Event that occurred
ItemDetails
Event nameResumption of production at the Sakura Plant
Date of occurrence10 June 2026 (date production resumed)
Subject EntityTOKYO BOARD INDUSTRIES CO.,LTD.
Target Locations / ProductsManufacturing line at the Sakura Plant
CauseAs disclosed on 4 November 2025, a minor fire occurred on the manufacturing line. The cause of the minor fire is not disclosed.
Impact on Earnings ForecastThe impact on consolidated results is currently under investigation and is scheduled to be announced once clarified.
Suspended operationsProduction on the manufacturing line at the Sakura Plant
Scheduled resumption date10 June 2026
OutlookProduction volumes will be increased in stages, and products will be delivered to customers sequentially.
Planned follow-up disclosureThe impact on consolidated results is scheduled to be announced once clarified.
Items this document does not state (15)
Date recognized / date notice receivedAmount of Impact on Business PerformanceAccounting period in which recognizedType of litigation or proceedingCourt or authorityPlaintiffDefendantDate of filing / date of actionClaim amount / surcharge amountAmount of receivables at risk of non-collection or delayed collectionInvestigation structureMeasures 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 installation of additional firefighting equipment and equipment inspections were completed, and the site was confirmed to be in a safe condition.

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.
(Progress on Disclosed Matter) Notice Regarding the Resumption of Production at the Sakura Plant | TOKYO BOARD INDUSTRIES CO.,LTD. (7815) timely disclosure | Komori