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Occurring Fact6322TACMINA CORPORATIONMachinery

Notice concerning the change of certified public accountants and other auditors

The Company has decided on a policy to change its accounting auditor from Deloitte Touche Tohmatsu LLC to Grant Thornton Taiyo LLC, subject to submitting a proposal for the appointment of the new auditor to the 19 June 2026 Annual General Meeting of Shareholders. One engagement partner at the new audit firm has not yet been determined and will be announced once confirmed.

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Notice concerning the change of certified public accountants and other auditors

Subject Entity

TACMINA CORPORATION (the filing company)

Occurrence20 May 2026 (the date on which the Audit and Supervisory Committee and the Board of Directors resolved the policy regarding the change and the submission of the proposal to the General Meeting of Shareholders; the scheduled change date is 19 June 2026)
This disclosure05/20/2026
Cause

The Company considered the number of consecutive years for which the current accounting auditor has provided audit services and expected an audit from a fresh perspective. It also comprehensively considered Grant Thornton Taiyo LLC's independence, expertise and quality control systems, among other factors, and determined that the firm is suitable.

Outlook

The Company will submit the proposal entitled “Appointment of Accounting Auditor” to the 50th Annual General Meeting of Shareholders scheduled to be held on 19 June 2026. The engagement partner who has not yet been determined will be announced promptly once confirmed.

Planned follow-up disclosure

The other 1 engagement partner will be announced promptly once confirmed.

Event that occurred
ItemDetails
Event nameNotice concerning the change of certified public accountants and other auditors
Date of occurrence20 May 2026 (the date on which the Audit and Supervisory Committee and the Board of Directors resolved the policy regarding the change and the submission of the proposal to the General Meeting of Shareholders; the scheduled change date is 19 June 2026)
Subject EntityTACMINA CORPORATION (the filing company)
CauseThe Company considered the number of consecutive years for which the current accounting auditor has provided audit services and expected an audit from a fresh perspective. It also comprehensively considered Grant Thornton Taiyo LLC's independence, expertise and quality control systems, among other factors, and determined that the firm is suitable.
OutlookThe Company will submit the proposal entitled “Appointment of Accounting Auditor” to the 50th Annual General Meeting of Shareholders scheduled to be held on 19 June 2026. The engagement partner who has not yet been determined will be announced promptly once confirmed.
Planned follow-up disclosureThe other 1 engagement partner will be announced promptly once confirmed.
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 stated that it expects an audit from a fresh perspective, taking into consideration the number of consecutive years for which the current accounting auditor has provided audit services. It also comprehensively considered Grant Thornton Taiyo LLC's independence, expertise and quality control systems, among other factors, and determined that the firm is suitable to serve as accounting auditor.

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Notice concerning the change of certified public accountants and other auditors | TACMINA CORPORATION (6322) timely disclosure | Komori