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Occurring Fact6156A-ONE SEIMITSU INC.Machinery

Notice Regarding Changes to the Accounting Auditor

株式会社エーワン精密 plans to change its accounting auditor from Audit Corporation A&A Partners to そうせい Audit Corporation following the annual general meeting of shareholders scheduled for 26 September 2026.

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Change in Accounting Auditor

Subject Entity

株式会社エーワン精密 (submitting company)

Occurrence26 September 2026 (scheduled date of the change and scheduled date of the 36th annual general meeting of shareholders)
Awareness or receipt of notice31 July 2026 (date on which the Audit and Supervisory Committee resolved the change)
This disclosure07/31/2026
Cause

After comprehensively considering audit quality, the audit structure and audit fees, taking into account the number of years the current accounting auditor has continued to conduct the audit, the Company determined that it would be appropriate to appoint そうせい Audit Corporation.

Outlook

Following approval at the 36th annual general meeting of shareholders scheduled for 26 September 2026, the accounting auditor is scheduled to change from Audit Corporation A&A Partners to そうせい Audit Corporation.

Event that occurred
ItemDetails
Event nameChange in Accounting Auditor
Date of occurrence26 September 2026 (scheduled date of the change and scheduled date of the 36th annual general meeting of shareholders)
Date recognized / date notice received31 July 2026 (date on which the Audit and Supervisory Committee resolved the change)
Subject Entity株式会社エーワン精密 (submitting company)
CauseAfter comprehensively considering audit quality, the audit structure and audit fees, taking into account the number of years the current accounting auditor has continued to conduct the audit, the Company determined that it would be appropriate to appoint そうせい Audit Corporation.
OutlookFollowing approval at the 36th annual general meeting of shareholders scheduled for 26 September 2026, the accounting auditor is scheduled to change from Audit Corporation A&A Partners to そうせい Audit Corporation.
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.

After comprehensively considering audit quality, the audit structure and audit fees, taking into account the number of years the current accounting auditor has continued to conduct the audit, the Company determined that it would be appropriate to appoint そうせい Audit Corporation as its new accounting auditor.

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Notice Regarding Changes to the Accounting Auditor | A-ONE SEIMITSU INC. (6156) timely disclosure | Komori