Unauthorized access at a Taiwan subsidiary
優乃克股份有限公司 (YONEX TAIWAN CO., LTD.)
Some servers and the network environment of the subsidiary. The affected products have not been disclosed.
Unauthorized access by a third party. The details of the cause are under investigation.
Related procedures
Report to the relevant administrative authorities. No litigation, administrative disposition or other such proceedings have been disclosed.
Relevant administrative authorities
Company response
An investigation is being conducted in cooperation with external experts and the relevant authorities to determine the cause and identify the scope of the impact. No third-party committee or special investigation committee has been disclosed.
Necessary measures will be taken to prevent the damage from spreading. Specific measures to prevent recurrence have not been disclosed.
The impact of this incident on the earnings of the Company's group is currently being assessed. The results announcement for the first quarter of the fiscal year ending March 2027 is scheduled to be made as planned on 10 August 2026, and at present there is no impact on the results announcement.
The Company will proceed with its investigation into the cause and identification of the scope of the impact in cooperation with external experts and the relevant authorities. If any facts requiring disclosure are identified, they will be promptly announced.
| Item | Details |
|---|---|
| Event name | Unauthorized access at a Taiwan subsidiary |
| Date of occurrence | 3 August 2026 (the date unauthorized access was confirmed) |
| Date recognized / date notice received | 3 August 2026 (the date unauthorized access was confirmed on some servers of the subsidiary) |
| Subject Entity | 優乃克股份有限公司 (YONEX TAIWAN CO., LTD.) |
| Target Locations / Products | Some servers and the network environment of the subsidiary. The affected products have not been disclosed. |
| Cause | Unauthorized access by a third party. The details of the cause are under investigation. |
| Impact on Earnings Forecast | The impact of this incident on the earnings of the Company's group is currently being assessed. The results announcement for the first quarter of the fiscal year ending March 2027 is scheduled to be made as planned on 10 August 2026, and at present there is no impact on the results announcement. |
| Type of litigation or proceeding | Report to the relevant administrative authorities. No litigation, administrative disposition or other such proceedings have been disclosed. |
| Court or authority | Relevant administrative authorities |
| Investigation structure | An investigation is being conducted in cooperation with external experts and the relevant authorities to determine the cause and identify the scope of the impact. No third-party committee or special investigation committee has been disclosed. |
| Measures to prevent recurrence | Necessary measures will be taken to prevent the damage from spreading. Specific measures to prevent recurrence have not been disclosed. |
| Outlook | The Company will proceed with its investigation into the cause and identification of the scope of the impact in cooperation with external experts and the relevant authorities. If any facts requiring disclosure are identified, they will be promptly announced. |
| Planned follow-up disclosure | If any facts requiring disclosure are identified, they will be promptly announced. |
Items this document does not state (12)
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.Unauthorized access by a third party occurred on some servers of the Taiwan subsidiary. The cause and scope of the impact are under investigation with the assistance of external experts.