Recognition of an extraordinary loss
TEMONA.inc. (the Company)
System Failures
Unauthorized access by a third party
¥25.431 million recognized as "system disruption response costs" within extraordinary losses for the second-quarter consolidated accounting period of the fiscal year ending September 2026. The amount recognized for the six-month consolidated cumulative period was ¥55.779 million.
Second-quarter consolidated accounting period of the fiscal year ending September 2026 (1 January 2026 to 31 March 2026) and the six-month consolidated cumulative period
Already reflected in the full-year earnings forecast for the fiscal year ending September 2026 announced on 13 January 2026
Company response
Investigation by an external specialist organization
| Item | Details |
|---|---|
| Event name | Recognition of an extraordinary loss |
| Date of occurrence | 24 October 2025 (date of the system disruption caused by unauthorized access by a third party) |
| Subject Entity | TEMONA.inc. (the Company) |
| Target Locations / Products | System Failures |
| Cause | Unauthorized access by a third party |
| Amount of Impact on Business Performance | ¥25.431 million recognized as "system disruption response costs" within extraordinary losses for the second-quarter consolidated accounting period of the fiscal year ending September 2026. The amount recognized for the six-month consolidated cumulative period was ¥55.779 million. |
| Accounting period in which recognized | Second-quarter consolidated accounting period of the fiscal year ending September 2026 (1 January 2026 to 31 March 2026) and the six-month consolidated cumulative period |
| Impact on Earnings Forecast | Already reflected in the full-year earnings forecast for the fiscal year ending September 2026 announced on 13 January 2026 |
| Investigation structure | Investigation by an external specialist organization |
Items this document does not state (16)
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.Costs were incurred for investigations by external specialist organizations, system recovery work and other activities in response to the system disruption caused by unauthorized access by a third party on 24 October 2025.