Notice Regarding Unauthorized Access to Our IT Environment

Occurrence and Overview of Unauthorized Access

Murata Manufacturing Co., Ltd. recognized the possibility of unauthorized access to its IT environment on 2026-02-28 and commenced a full-scale investigation from 2026-03-01. The investigation confirmed unauthorized access by a third party and revealed that data was illicitly acquired. An internal crisis management headquarters was established, and the company is collaborating with external cybersecurity experts to investigate the scope of impact and prevent further damage.

Current Situation, Future Response, and Impact on Business Performance

At this time, it has been confirmed that information related to external parties and company information may have been illicitly read. Should any new facts or impacts be identified in the ongoing investigation, relevant parties will be promptly notified and announcements made on the company’s website, etc. The impact on business performance is still under review, and if significant effects are found, they will be disclosed promptly.