(Update on Previously Disclosed Matter) Notice Regarding the Appointment of an Interim Accounting Auditor | HAMAI INDUSTRIES LTD (6497) timely disclosure

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Appointment of a Temporary Accounting Auditor

Subject Entity

HAMAI INDUSTRIES LTD

Occurrence2 July 2026

This disclosure07/02/2026

Cause

The Company received a notice of declined appointment from 東光有限責任監査法人 on the grounds that it was unable to obtain audit evidence regarding the appropriateness of the valuation of inventories for the fiscal year ended December 2025, leaving the Company temporarily without an accounting auditor.

Outlook

The Company will continue discussions with its temporary accounting auditor, 清流監査法人, regarding the valuation of inventories for the fiscal year ended December 2025.

Planned follow-up disclosure

If any matter requiring disclosure arises in connection with this matter, the Company will notify the relevant parties promptly.

Event that occurred
Item	Details
Event name	Appointment of a Temporary Accounting Auditor
Date of occurrence	2 July 2026
Subject Entity	HAMAI INDUSTRIES LTD
Cause	The Company received a notice of declined appointment from 東光有限責任監査法人 on the grounds that it was unable to obtain audit evidence regarding the appropriateness of the valuation of inventories for the fiscal year ended December 2025, leaving the Company temporarily without an accounting auditor.
Outlook	The Company will continue discussions with its temporary accounting auditor, 清流監査法人, regarding the valuation of inventories for the fiscal year ended December 2025.
Planned follow-up disclosure	If any matter requiring disclosure arises in connection with this matter, the Company will notify the relevant parties promptly.

Items this document does not state (19)

Date recognized / date notice receivedTarget 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 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 Company comprehensively considered the audit firm's suitability for the scale of its business, expertise, independence and quality control framework as an accounting auditor, and the management environment and operating conditions of the Company's group, and determined that it was appropriate for the role.

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