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Other Disclosures4345CTS Co.,Ltd.Information and Communications, Services and Others

[SAP] Notice regarding a case study on the use of "SORATENA Sync," field information-related content

CTS called on construction companies to use “SORATENA Sync,” which connects weather-monitoring equipment with a cloud-based video service to automatically monitor WBGT, wind speed, rainfall and other conditions at construction sites, and notify site personnel and other relevant parties when readings exceed established thresholds. As a use case involving Company A, a civil engineering contractor, CTS also highlighted results including zero heatstroke cases.

Worth reading
61In focus
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Direction
Improvement
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Scale
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Wording
Conditional
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Announced details

Site Assist Package (SAP)SORATENA Sync (on-site information synchronization service)IoT SmartHubSORATENA Pro®
Applicable field (uses covered by this announcement)
Heatstroke prevention at construction sitesSafety management for work at height and crane operationsProtective measures and work suspension decisions during rainDisaster preparedness and site environment management
Launch dateCTS has been working on providing and promoting the service since last year; the specific date has not been disclosed.
What the company reported numerically
Quantitative Effects

Zero heatstroke cases at sites using the service

Relationship between the counterparty and the company
CTS Co.,Ltd.4345
Relationship with the Company

Company A is the customer featured in a SORATENA Sync use case. Capital and personnel relationships have not been disclosed.

CounterpartyCompany A (a civil engineering and paving contractor whose name has not been disclosed)

The company provides civil engineering and paving services and operates the system at an earth-cutting worksite for a road reconstruction project. Other details have not been disclosed.

Location (as indicated in this announcement)

115 Furusato, Ueda, Nagano (CTS headquarters)

Support network covering 32 branches nationwide
Offering price

Initial and rental fees are available on request; specific amounts have not been disclosed.

The company does not address Contract Value / Impact on Business Performance.

Source (materials cited by the company)

Ministry of Health, Labour and Welfare, “Occupational Heatstroke-Related Injuries and Fatalities in the Workplace in 2025 (Final Figures)” (published 27 May 2026)

Announced details
ItemDetails
Names of Products / Services CoveredSite Assist Package (SAP), SORATENA Sync (on-site information synchronization service), IoT SmartHub, SORATENA Pro®
CounterpartyCompany A (a civil engineering and paving contractor whose name has not been disclosed)
Counterparty overviewThe company provides civil engineering and paving services and operates the system at an earth-cutting worksite for a road reconstruction project. Other details have not been disclosed.
Relationship with the CompanyCompany A is the customer featured in a SORATENA Sync use case. Capital and personnel relationships have not been disclosed.
Offering priceInitial and rental fees are available on request; specific amounts have not been disclosed.
Launch dateCTS has been working on providing and promoting the service since last year; the specific date has not been disclosed.
Applicable areaHeatstroke prevention at construction sites, Safety management for work at height and crane operations, Protective measures and work suspension decisions during rain, Disaster preparedness and site environment management
Location115 Furusato, Ueda, Nagano (CTS headquarters)
Location scaleSupport network covering 32 branches nationwide
Quantitative EffectsZero heatstroke cases at sites using the service
SourceMinistry of Health, Labour and Welfare, “Occupational Heatstroke-Related Injuries and Fatalities in the Workplace in 2025 (Final Figures)” (published 27 May 2026)
Items this document does not state (7)
Contract ValueContract DateAward/certification nameAwarding / certifying bodyRegistration number and expiry dateUsage 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.

CTS states that heatstroke-related injuries and fatalities at construction sites are increasing, and that revisions to the Industrial Safety and Health Regulations alone are insufficient, making it necessary to automate and improve the efficiency of safety management at the site level.

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.
[SAP] Notice regarding a case study on the use of "SORATENA Sync," field information-related content | CTS Co.,Ltd. (4345) timely disclosure | Komori