Notice Regarding Unrealized Losses on Securities as of the End of the First Quarter of the Fiscal Year Ending March 2027

Worth reading

54Recurring

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Direction

Deterioration

Direction inferred from the company’s description.

Scale

4942414

¥ million

Wording

Definitive

How definitive the wording is.

Subject Entity

JAPAN POST BANK Co.,Ltd. (the Bank)

Target Locations / Products

Securities listed on domestic financial instruments exchanges among securities classified as held-to-maturity

Occurrence30 June 2026 (end of the first quarter of the fiscal year ending March 2027)

This disclosure07/24/2026

Amount of Impact on Business Performance

¥4,942,414 million (total unrealized losses on securities at the end of the first quarter of the fiscal year ending March 2027; no classification as non-operating expenses, extraordinary losses or otherwise was stated)

Accounting period in which recognized

First quarter of the fiscal year ending March 2027 (the end of the first quarter was 30 June 2026)

Impact on Earnings Forecast

There is no impact on the consolidated earnings forecasts or dividend forecast for the fiscal year ending March 2027.

Outlook

If any matter requiring disclosure arises, the company will disclose it promptly.

Event that occurred
Item	Details
Event name	Notice Regarding Unrealized Losses on Securities as of the End of the First Quarter of the Fiscal Year Ending March 2027
Date of occurrence	30 June 2026 (end of the first quarter of the fiscal year ending March 2027)
Subject Entity	JAPAN POST BANK Co.,Ltd. (the Bank)
Target Locations / Products	Securities listed on domestic financial instruments exchanges among securities classified as held-to-maturity
Amount of Impact on Business Performance	¥4,942,414 million (total unrealized losses on securities at the end of the first quarter of the fiscal year ending March 2027; no classification as non-operating expenses, extraordinary losses or otherwise was stated)
Accounting period in which recognized	First quarter of the fiscal year ending March 2027 (the end of the first quarter was 30 June 2026)
Impact on Earnings Forecast	There is no impact on the consolidated earnings forecasts or dividend forecast for the fiscal year ending March 2027.
Outlook	If any matter requiring disclosure arises, the company will disclose it promptly.
Planned follow-up disclosure	If any matter requiring disclosure arises, the company will disclose it promptly.

Items this document does not state (16)

Date recognized / date notice receivedCauseType 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

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