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Occurring Fact5533Elitz Holdings Co.,Ltd.Real Estate

Notice Regarding the Potential Leakage of Personal Information (First Report)

A deficiency in the controls restricting unauthorized access to the cloud environment used by the subsidiary エリッツ to store email correspondence with rental applicants was identified. An investigation is currently under way to determine whether any personal information was actually leaked and the number of individuals affected.

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Notice Regarding the Potential Leakage of Personal Information (First Report)

Subject Entity

エリッツ Co., Ltd., a consolidated subsidiary

Target Locations / Products

Files stored in エリッツ Co., Ltd.'s cloud environment containing information exchanged by email with rental applicants from 3 April 2021 through the most recent date. The files include some documents and other materials containing personal information. Address of the company concerned: 59 Tsukiboko-cho, Shijo-dori Shinmachi Higashiiru, Shimogyo-ku, Kyoto City, エリッツ Shijo-Karasuma Building

Occurrence17 August 2026 (the date on which the deficiency in the controls restricting unauthorized access was identified)
Same day
Awareness or receipt of notice17 August 2026 (the date on which the company became aware of the matter following a finding by an external investigation company)
This disclosure08/20/2026
Cause

Deficiency in the controls restricting unauthorized access

Amount of Impact on Business Performance

No amount has been disclosed. The impact on consolidated results for the fiscal year ending September 2026 is immaterial.

Accounting period in which recognized

Consolidated results for the fiscal year ending September 2026

Impact on Earnings Forecast

The impact of this matter on consolidated results for the fiscal year ending September 2026 is immaterial.

Company response

Investigation structure

The deficiency was identified following a finding by an external investigation company. An investigation is currently under way into whether any personal information was leaked and the number of individuals affected, among other matters. The name of the investigation company, the name of the committee and the committee's establishment date are Not disclosed.

Measures to prevent recurrence

The deficiency in the controls restricting unauthorized access was remedied on the same day.

Outlook

The deficiency in the controls restricting unauthorized access was remedied on the same day. The company will investigate whether any personal information was actually leaked externally and the number of individuals affected, among other matters, and will make a further disclosure once the facts are known.

Planned follow-up disclosure

A further disclosure will be made once the facts are known.

Event that occurred
ItemDetails
Event nameNotice Regarding the Potential Leakage of Personal Information (First Report)
Date of occurrence17 August 2026 (the date on which the deficiency in the controls restricting unauthorized access was identified)
Date recognized / date notice received17 August 2026 (the date on which the company became aware of the matter following a finding by an external investigation company)
Subject Entityエリッツ Co., Ltd., a consolidated subsidiary
Target Locations / ProductsFiles stored in エリッツ Co., Ltd.'s cloud environment containing information exchanged by email with rental applicants from 3 April 2021 through the most recent date. The files include some documents and other materials containing personal information. Address of the company concerned: 59 Tsukiboko-cho, Shijo-dori Shinmachi Higashiiru, Shimogyo-ku, Kyoto City, エリッツ Shijo-Karasuma Building
CauseDeficiency in the controls restricting unauthorized access
Amount of Impact on Business PerformanceNo amount has been disclosed. The impact on consolidated results for the fiscal year ending September 2026 is immaterial.
Accounting period in which recognizedConsolidated results for the fiscal year ending September 2026
Impact on Earnings ForecastThe impact of this matter on consolidated results for the fiscal year ending September 2026 is immaterial.
Investigation structureThe deficiency was identified following a finding by an external investigation company. An investigation is currently under way into whether any personal information was leaked and the number of individuals affected, among other matters. The name of the investigation company, the name of the committee and the committee's establishment date are Not disclosed.
Measures to prevent recurrenceThe deficiency in the controls restricting unauthorized access was remedied on the same day.
OutlookThe deficiency in the controls restricting unauthorized access was remedied on the same day. The company will investigate whether any personal information was actually leaked externally and the number of individuals affected, among other matters, and will make a further disclosure once the facts are known.
Planned follow-up disclosureA further disclosure will be made once the facts are known.
Items this document does not state (12)
Type 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 dateDirectors' and officers' liabilityVoting rights ownership percentage before the changeVoting rights ownership percentage after the change

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 deficiency in the controls restricting unauthorized access was identified following a finding by an external investigation company.

How to read this page

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.
Weight is not a verdictIt measures how much this changes what the company had already told the market. It is not a view on the shares.
Corrections happenIf the company reissues this disclosure, the page is rebuilt from the corrected version and the revision number moves up.
Notice Regarding the Potential Leakage of Personal Information (First Report) | Elitz Holdings Co.,Ltd. (5533) timely disclosure | Komori