Subsequent Developments Regarding the Arbitration Claim Against Our Thai Consolidated Subsidiary (Notice Concerning the Execution of a Settlement Agreement)

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Subject Entity

SANKO GOSEI(THAILAND) CO.,LTD.（STL）

Target Locations / Products

Automotive brake components; Thai consolidated subsidiary STL

Occurrence24 August 2026 (date the settlement agreement was executed)

This disclosure08/25/2026

Cause

SIAM AISIN CO.,LTD filed an arbitration claim with a Thai arbitration institution seeking damages related to automotive brake components.

Related procedures

Type

Arbitration

Court or authority

Thai arbitration institution

Plaintiff

SIAM AISIN CO.,LTD.

Defendant

SANKO GOSEI(THAILAND) CO.,LTD.（STL）

Accounting period in which recognized

Consolidated results for the fiscal year ending May 2026

Impact on Earnings Forecast

The impact of this settlement has already been reflected in the consolidated results for the fiscal year ending May 2026.

Outlook

If any matter requiring disclosure arises in the future, it will be announced promptly.

Event that occurred
Item	Details
Event name	Subsequent Developments Regarding the Arbitration Claim Against Our Thai Consolidated Subsidiary (Notice Concerning the Execution of a Settlement Agreement)
Date of occurrence	24 August 2026 (date the settlement agreement was executed)
Subject Entity	SANKO GOSEI(THAILAND) CO.,LTD.（STL）
Target Locations / Products	Automotive brake components; Thai consolidated subsidiary STL
Cause	SIAM AISIN CO.,LTD filed an arbitration claim with a Thai arbitration institution seeking damages related to automotive brake components.
Accounting period in which recognized	Consolidated results for the fiscal year ending May 2026
Impact on Earnings Forecast	The impact of this settlement has already been reflected in the consolidated results for the fiscal year ending May 2026.
Type of litigation or proceeding	Arbitration
Court or authority	Thai arbitration institution
Plaintiff	SIAM AISIN CO.,LTD.
Defendant	SANKO GOSEI(THAILAND) CO.,LTD.（STL）
Outlook	If any matter requiring disclosure arises in the future, it will be announced promptly.
Planned follow-up disclosure	If any matter requiring disclosure arises in the future, it will be announced promptly.

Items this document does not state (12)

Date recognized / date notice receivedAmount of Impact on Business PerformanceDate 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

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The reasons the company gives

The company's own explanation, not something inferred from the numbers.

Following continued discussions between the parties, we determined that resolving the matter through settlement was appropriate and reasonable. Disclosure of the settlement details has been withheld because the settlement agreement contains confidentiality provisions.

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