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Occurring Fact3288Open House Group Co.,Ltd.Real estate

Notice Regarding Changes in Certified Public Accountants and Other Auditors

Subject to approval at the Annual General Meeting of Shareholders scheduled for 24 December 2025, the accounting auditor will change from Deloitte Touche Tohmatsu LLC to Ernst & Young ShinNihon LLC. The Audit & Supervisory Board and the Board of Directors resolved to submit the proposal for this change to the Annual General Meeting of Shareholders.

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Change of Certified Public Accountants, etc.

Subject Entity

株式会社オープンハウスグループ

Occurrence2025年12月24日

(予定、定時株主総会終結時)

Awareness or receipt of notice2025年11月14日

(監査役会および取締役会で決議した日)

This disclosure11/14/2025
Cause

有限責任監査法人トーマツの任期満了および継続監査年数が約21年と長期にわたっていることを踏まえ、新たな視点での監査、グローバルに活動する不動産会社への監査実績、独立性、専門性、品質管理体制を総合的に検討し、EY新日本有限責任監査法人が適任と判断したため。

Outlook

2025年12月24日開催予定の第29回定時株主総会に議案を付議し、承認後、同株主総会終結時にEY新日本有限責任監査法人が就任し、有限責任監査法人トーマツが退任する。

Event that occurred
ItemDetails
Event nameChange of Certified Public Accountants, etc.
Date of occurrence2025年12月24日(予定、定時株主総会終結時)
Date recognized / date notice received2025年11月14日(監査役会および取締役会で決議した日)
Subject Entity株式会社オープンハウスグループ
Cause有限責任監査法人トーマツの任期満了および継続監査年数が約21年と長期にわたっていることを踏まえ、新たな視点での監査、グローバルに活動する不動産会社への監査実績、独立性、専門性、品質管理体制を総合的に検討し、EY新日本有限責任監査法人が適任と判断したため。
Outlook2025年12月24日開催予定の第29回定時株主総会に議案を付議し、承認後、同株主総会終結時にEY新日本有限責任監査法人が就任し、有限責任監査法人トーマツが退任する。
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.

有限責任監査法人トーマツの継続監査年数が約21年と長期にわたっていることを踏まえ、新たな視点での監査を期待できること、グローバルに活動する不動産会社への監査実績、独立性、専門性、品質管理体制などを総合的に検討し、EY新日本有限責任監査法人が適任と判断したため。

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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.
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Corrections happenIf the company reissues this disclosure, the page is rebuilt from the corrected version and the revision number moves up.
Notice Regarding Changes in Certified Public Accountants and Other Auditors | Open House Group Co.,Ltd. (3288) timely disclosure | Komori