Notice Regarding the Closure of the Tokyo Office | C.S. LUMBER CO.,INC (7808) timely disclosure

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Closure of the Tokyo Office

Subject Entity

Filing company (C.S. LUMBER CO.,INC)

Target Locations / Products

Tokyo Office (Daini Marushin Building, 8-22-2 Nishikamata, Ota-ku, Tokyo). The operations will be transferred to the Makuhari Office.

Occurrence15 October 2026 (closure resolved at today's Board of Directors meeting)

This disclosure10/15/2026

Cause

To streamline sales strategy in the construction contracting business.

Amount of Impact on Business Performance

No amount stated. The company expects the impact on its consolidated results for the fiscal year ending May 2027 to be minor.

Accounting period in which recognized

Fiscal year ending May 2027

Impact on Earnings Forecast

The company expects the impact on its consolidated results for the fiscal year ending May 2027 to be minor.

Company response

Suspended operations

Closure of the Tokyo Office. The Tokyo Office's operations will be transferred to the Makuhari Office.

Outlook

The Tokyo Office will close on 31 October 2026, and its operations will be transferred to the Makuhari Office.

Event that occurred
Item	Details
Event name	Closure of the Tokyo Office
Date of occurrence	15 October 2026 (closure resolved at today's Board of Directors meeting)
Subject Entity	Filing company (C.S. LUMBER CO.,INC)
Target Locations / Products	Tokyo Office (Daini Marushin Building, 8-22-2 Nishikamata, Ota-ku, Tokyo). The operations will be transferred to the Makuhari Office.
Cause	To streamline sales strategy in the construction contracting business.
Amount of Impact on Business Performance	No amount stated. The company expects the impact on its consolidated results for the fiscal year ending May 2027 to be minor.
Accounting period in which recognized	Fiscal year ending May 2027
Impact on Earnings Forecast	The company expects the impact on its consolidated results for the fiscal year ending May 2027 to be minor.
Suspended operations	Closure of the Tokyo Office. The Tokyo Office's operations will be transferred to the Makuhari Office.
Outlook	The Tokyo Office will close on 31 October 2026, and its operations will be transferred to the Makuhari Office.

Items this document does not state (15)

Date recognized / date notice receivedType of litigation or proceedingCourt or authorityPlaintiffDefendantDate of filing / date of actionClaim amount / surcharge amountAmount of receivables at risk of non-collection or delayed collectionScheduled 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.

To streamline sales strategy in the construction contracting business.

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