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Occurring Fact3863Nippon Paper Industries Co.,Ltd.Materials and Chemicals

Update on the accident at U.S. subsidiary 日本ダイナウェーブ・パッケージング

One chemical tank collapsed at the U.S. subsidiary's plant, and multiple casualties have been confirmed. The cause of the accident, details of the human and equipment damage, and the impact on production, shipments and other operations are currently being confirmed and investigated.

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Update on the accident at U.S. subsidiary 日本ダイナウェーブ・パッケージング

Subject Entity

日本ダイナウェーブ・パッケージング (the Company's subsidiary)

Target Locations / Products

The company's plant in Washington State, U.S., and one chemical tank at the plant

OccurrenceAround 7:00 a.m. on 26 May, local time
This disclosure05/27/2026
Impact on Earnings Forecast

The impact of this accident on financial results is currently being assessed.

Outlook

The company is continuing to assess the cause of the accident, details of the human casualties, and the impact on financial results, the environment, production and shipments.

Event that occurred
ItemDetails
Event nameUpdate on the accident at U.S. subsidiary 日本ダイナウェーブ・パッケージング
Date of occurrenceAround 7:00 a.m. on 26 May, local time
Subject Entity日本ダイナウェーブ・パッケージング (the Company's subsidiary)
Target Locations / ProductsThe company's plant in Washington State, U.S., and one chemical tank at the plant
Impact on Earnings ForecastThe impact of this accident on financial results is currently being assessed.
OutlookThe company is continuing to assess the cause of the accident, details of the human casualties, and the impact on financial results, the environment, production and shipments.
Items this document does not state (19)
Date recognized / date notice receivedCauseAmount 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 collectionSuspended operationsScheduled resumption dateInvestigation structureMeasures to prevent recurrenceDirectors' and officers' liabilityVoting rights ownership percentage before the changeVoting rights ownership percentage after the changePlanned follow-up disclosure

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 cause of the accident is currently under investigation, and the company has not provided specific details on the cause.

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Update on the accident at U.S. subsidiary 日本ダイナウェーブ・パッケージング | Nippon Paper Industries Co.,Ltd. (3863) timely disclosure | Komori