We sincerely apologize for causing concerns to our customers and stakeholders by ransomware attack on a consolidated subsidiary in Germany, Okuma Europe GmbH (“OEG”).We sincerely apologize for causing concerns to our customers and stakeholders by ransomware attack on a consolidated subsidiary in Germany, Okuma Europe GmbH (“OEG”).
We have examined the impact and the cause of the ransomware infection and taken actions to recover the affected system. Below we update the status of this incident.

1. How the unauthorized access was discovered and Investigation of the Cause thereof
   On September 20, 2025 (Sat), we found that the server of OEG had been accessed by an unauthorized third party and that various files stored in the server had been encrypted. With the support of outside experts, we formed a response team for this incident and investigated the impact and the cause of this incident, and took actions for prompt recovery.
2. Current Status
   The system infected by ransomware has been restored. We have implemented security measures to prevent recurrence of the incident. The investigation indicated no leakage of either personal data (including those of the employees) or confidential information managed by Okuma Corporation or Okuma group companies. We found no negative impact of this incident on our customers or trade partners.
3. Impact on the Business
   We estimate that the impact of this incident on the performance of Okuma group for fiscal 2025 is insignificant.