Notice Regarding Changes to the Accounting Auditor | SEKI CO.,LTD. (7857) timely disclosure

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Change in Accounting Auditor

Subject Entity

SEKI CO.,LTD.

Occurrence11 June 2026 (scheduled; at the conclusion of the Company's 77th annual general meeting of shareholders)

Awareness or receipt of notice14 May 2026 (the date on which the Company resolved the change; the date on which the request not to renew the contract was received was Not disclosed)

This disclosure05/14/2026

Cause

Ehime Limited Liability Audit Corporation requested that the contract not be renewed because it would be difficult to secure sufficient personnel for the audit structure amid an expected increase in audit hours.

Outlook

The Company plans to submit the agenda item "Election of Accounting Auditor" to the 77th annual general meeting of shareholders scheduled for 11 June 2026 and is scheduled to change its accounting auditor at the conclusion of that meeting.

Event that occurred
Item	Details
Event name	Change in Accounting Auditor
Date of occurrence	11 June 2026 (scheduled; at the conclusion of the Company's 77th annual general meeting of shareholders)
Date recognized / date notice received	14 May 2026 (the date on which the Company resolved the change; the date on which the request not to renew the contract was received was Not disclosed)
Subject Entity	SEKI CO.,LTD.
Cause	Ehime Limited Liability Audit Corporation requested that the contract not be renewed because it would be difficult to secure sufficient personnel for the audit structure amid an expected increase in audit hours.
Outlook	The Company plans to submit the agenda item "Election of Accounting Auditor" to the 77th annual general meeting of shareholders scheduled for 11 June 2026 and is scheduled to change its accounting auditor at the conclusion of that meeting.

Items this document does not state (19)

Target Locations / ProductsAmount 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 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 outgoing audit firm requested that the contract not be renewed because it would be difficult to secure sufficient personnel for the audit structure amid an expected increase in audit hours. Grant Thornton Taiyo LLC was selected as the successor after comprehensive consideration of its expertise, independence, quality control framework and audit fee level.

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