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Other Disclosures5290Vertex CorporationConstruction and Materials

Notice Regarding Selection as a Constituent of the JPX-Nikkei Mid and Small Cap Index

The Company's shares have been selected as a constituent of the 2026 JPX-Nikkei Mid and Small Cap Index. The selection period runs from 31 August 2026 to 30 August 2027.

Worth reading
45Recurring
0–100. This measures how worthwhile something is to read, not how good or bad the company is.
Direction
Improvement
Direction inferred from the company’s description.
Scale
200
Constituent stocks (number of index constituents)
Wording
Conditional
How definitive the wording is.

Announced details

JPX-Nikkei Mid and Small Cap Index
Applicable field (uses covered by this announcement)

An index of mid- and small-cap stocks with strong investment appeal, selecting companies that use capital efficiently and manage their businesses with investors in mind

Launch date31 August 2026 (scheduled commencement of application); the selection period runs from 31 August 2026 to 30 August 2027.
Relationship between the counterparty and the company
Vertex Corporation5290
Relationship with the Company

The Company's shares were selected as constituents of the index. Capital, personnel and business relationships are Not disclosed.

CounterpartyJPX Market Innovation & Research, Inc.; Nikkei Inc.

The index is calculated jointly by JPX Research Institute, Inc. and Nikkei Inc. Other information, including the location, representative, capital and year of establishment, is Not disclosed.

Award/certification name

Selection as a constituent of the FY2026 JPX-Nikkei Mid and Small Cap Index

Awarding / certifying body

JPX Market Innovation & Research, Inc.; Nikkei Inc.

Location (as indicated in this announcement)

200 stocks (number of index constituents)

In this announcement the company addresses none of Contract Value / Offering price / Impact on Business Performance.

Source (materials cited by the company)

JPX Research Institute, Inc. and Nikkei Inc., together with the URL provided (https://www.jpx.co.jp/markets/indices/jpx-nikkei400/index.html)

Announced details
ItemDetails
Names of Products / Services CoveredJPX-Nikkei Mid and Small Cap Index
CounterpartyJPX Market Innovation & Research, Inc.; Nikkei Inc.
Counterparty overviewThe index is calculated jointly by JPX Research Institute, Inc. and Nikkei Inc. Other information, including the location, representative, capital and year of establishment, is Not disclosed.
Relationship with the CompanyThe Company's shares were selected as constituents of the index. Capital, personnel and business relationships are Not disclosed.
Launch date31 August 2026 (scheduled commencement of application); the selection period runs from 31 August 2026 to 30 August 2027.
Applicable areaAn index of mid- and small-cap stocks with strong investment appeal, selecting companies that use capital efficiently and manage their businesses with investors in mind
Award/certification nameSelection as a constituent of the FY2026 JPX-Nikkei Mid and Small Cap Index
Awarding / certifying bodyJPX Market Innovation & Research, Inc.; Nikkei Inc.
Location scale200 stocks (number of index constituents)
SourceJPX Research Institute, Inc. and Nikkei Inc., together with the URL provided (https://www.jpx.co.jp/markets/indices/jpx-nikkei400/index.html)
Items this document does not state (8)
Contract ValueOffering priceContract DateRegistration number and expiry dateLocationQuantitative EffectsUsage historyImpact on Business Performance

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 understands that its initiatives to enhance corporate value, including sustained profit growth, dividend increases and the implementation of a stock split, received a certain level of recognition.

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.
Notice Regarding Selection as a Constituent of the JPX-Nikkei Mid and Small Cap Index | Vertex Corporation (5290) timely disclosure | Komori