Komori
Occurring Fact1786Oriental Shiraishi CorporationConstruction and Materials

(Amendment) Partial Amendment to the “Notice Concerning the Execution of a Capital and Business Alliance Agreement with ITOCHU Corporation, Issuance of New Shares through a Third-Party Allotment, and Change in the Major Shareholder and Largest Shareholder”

The capital and business alliance agreement with ITOCHU Corporation was amended to add a provision allowing ITOCHU Corporation to nominate 1 outside director candidate if its voting rights ownership ratio is 20% or more. If ITOCHU Corporation wishes to nominate 2 or more candidates, the two companies will discuss whether to accept them.

Worth reading
32Immaterial
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
—
Displayed only when the document provides numerical figures.
Wording
Conditional
How definitive the wording is.

Execution of an Amendment Memorandum to the Capital and Business Alliance Agreement

Subject Entity

Oriental Shiraishi Corporation, ITOCHU Corporation

Target Locations / Products

Bridge infrastructure maintenance, PPP and PFI projects in the infrastructure sector, and overseas expansion of products and technologies

Occurrence10 June 2026 (the amendment was approved by the Board of Directors and the amendment memorandum was executed on the same date)
This disclosure06/10/2026
Cause

To mutually leverage ITOCHU Corporation's customer network and the value chain of its equipment and materials business and our technology and track record, with the aim of complementing and strengthening the businesses over the medium to long term and creating further synergies

Accounting period in which recognized

Current period

Outlook

The companies aim to create further synergies through business development in bridge infrastructure maintenance, collaboration on PPP and PFI projects in the infrastructure sector, and the overseas expansion of products and technologies, among other areas.

Event that occurred
ItemDetails
Event nameExecution of an Amendment Memorandum to the Capital and Business Alliance Agreement
Date of occurrence10 June 2026 (the amendment was approved by the Board of Directors and the amendment memorandum was executed on the same date)
Subject EntityOriental Shiraishi Corporation, ITOCHU Corporation
Target Locations / ProductsBridge infrastructure maintenance, PPP and PFI projects in the infrastructure sector, and overseas expansion of products and technologies
CauseTo mutually leverage ITOCHU Corporation's customer network and the value chain of its equipment and materials business and our technology and track record, with the aim of complementing and strengthening the businesses over the medium to long term and creating further synergies
Accounting period in which recognizedCurrent period
OutlookThe companies aim to create further synergies through business development in bridge infrastructure maintenance, collaboration on PPP and PFI projects in the infrastructure sector, and the overseas expansion of products and technologies, among other areas.
Items this document does not state (18)
Date recognized / date notice receivedAmount of Impact on Business PerformanceImpact 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 changePlanned 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.

To mutually leverage ITOCHU Corporation's customer network and equipment and materials business and our technology and track record, with the aim of complementing and strengthening the businesses over the medium to long term and creating further synergies.

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.
(Amendment) Partial Amendment to the “Notice Concerning the Execution of a Capital and Business Alliance Agreement with ITOCHU Corporation, Issuance of New Shares through a Third-Party Allotment, and Change in the Major Shareholder and Largest Shareholder” | Oriental Shiraishi Corporation (1786) timely disclosure | Komori