Notice Regarding a Change in Other Affiliated Company | Kioxia Holdings Corporation (285A) timely disclosure

Worth reading

28Immaterial

0–100. This measures how worthwhile something is to read, not how good or bad the company is.

Direction

Neutral

Direction inferred from the company’s description.

Scale

0.3

Decrease in voting rights ownership ratio, in percentage points (from 20.10% to 19.80%)

Wording

Conditional

How definitive the wording is.

Change in Other Affiliated Company

Subject Entity

Toshiba Corporation

Target Locations / Products

The Company’s shares (shares of Kioxia Holdings Corporation)

Occurrence17 March 2026 (reference date for voting rights ownership ratio)

8 days later

Awareness or receipt of notice25 March 2026 (the date on which the Large Shareholding Report (Change Report) was filed with the Kanto Local Finance Bureau)

This disclosure03/26/2026

Cause

As of 17 March 2026, Toshiba Corporation’s voting rights ownership ratio in the Company had fallen below 20%

Change in voting rights ownership ratio

Toshiba Corporation20.10％→19.80％（-0.30pt）

The voting rights ownership percentage is the proportion of the voting rights exercisable at a shareholders' meeting held by the shareholder.

Voting rights ownership percentage before the change

1,084,464 voting rights (20.10%), as of 27 February 2026

Voting rights ownership percentage after the change

1,068,711 voting rights (19.80%), as of 17 March 2026

Impact on Earnings Forecast

There are no material matters to report.

Related procedures

Court or authority

Kanto Local Finance Bureau (the filing authority for the Large Shareholding Report (Change Report))

Outlook

There are no material matters to report.

Event that occurred
Item	Details
Event name	Change in Other Affiliated Company
Date of occurrence	17 March 2026 (reference date for voting rights ownership ratio)
Date recognized / date notice received	25 March 2026 (the date on which the Large Shareholding Report (Change Report) was filed with the Kanto Local Finance Bureau)
Subject Entity	Toshiba Corporation
Target Locations / Products	The Company’s shares (shares of Kioxia Holdings Corporation)
Cause	As of 17 March 2026, Toshiba Corporation’s voting rights ownership ratio in the Company had fallen below 20%
Impact on Earnings Forecast	There are no material matters to report.
Court or authority	Kanto Local Finance Bureau (the filing authority for the Large Shareholding Report (Change Report))
Voting rights ownership percentage before the change	1,084,464 voting rights (20.10%), as of 27 February 2026
Voting rights ownership percentage after the change	1,068,711 voting rights (19.80%), as of 17 March 2026
Outlook	There are no material matters to report.

Items this document does not state (14)

Amount of Impact on Business PerformanceAccounting period in which recognizedType of litigation or proceedingPlaintiffDefendantDate 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' liabilityPlanned follow-up disclosure

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.

This was because the Large Shareholding Report (Change Report) indicated that Toshiba Corporation’s voting rights ownership ratio had fallen below 20% as of 17 March 2026.

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.