Nidec Announces Consideration of an Application for Approval of an Extension of the Filing Deadline of Annual Securities Report for the 53rd Fiscal Year (Ended March 31, 2026)

Nidec Corporation (TOKYO: 6594; OTC US: NJDCY) (the “Company” or “we”) hereby announces that the Company is considering filing the application for approval of an extension of the deadline of Annual Securities Report for the 53rd Fiscal Year (Ended March 31, 2026) with a statutory filing deadline of June 30, 2026. We sincerely apologize for any inconvenience and concern caused to our shareholders, investors, and other stakeholders.

1. Consideration of an application for approval of deadline extension of Annual Securities Report for the 53rd Fiscal Year (Ended March 31, 2026)

As announced in the press release dated April 17, 2026, “Announcement Regarding Receipt of the Third-Party Committee’s Investigation Report (Final Report) and Our Company’s Response,” the Company has identified the suspicions of improper accounting with the involvement or knowledge of the management of the Company and its group companies. Therefore, the Company established a Third-Party Committee (the “Committee”) dated September 3, 2025.

Based on the findings of the investigation by the Committee, they have identified a large number of instances of improper accounting across various operating bases of the Company group. The Company received the investigation report as its final report from the Committee dated April 17, 2026. Based on the Investigation results, the Company is proceeding to finalize the impact on prior consolidated financial statements and financial statements, considering various factors, including whether to recognize additional impairment losses on goodwill and fixed assets and currently conducting verification regarding tax expenses and other related impacts for corrections to past fiscal years’ financial results and financial closing for the Fiscal Year ended March 31, 2026.

However, these considerations are expected to take a considerable amount of time. As a result, the Company has decided to postpone the disclosure of financial results for the Fiscal Year Ended March 31, 2026, dated April 27, 2026.

Furthermore, as announced in the press release dated May 13, 2026, “Notice Regarding Potential Quality Issues and Establishment of an Investigation Committee Composed of External Experts,” as improvements to the Company’s internal management system, the Company established the Nidec Corporate Reform Committee dated October 30, 2025, and has been implementing a comprehensive quality inspection of Nidec Group’s production and development sites. During the course of the inspection, it was identified that there were suspicions of inappropriate conduct by the Company and its group companies, including changes to materials, processes, and designs for certain products without customer approval, improper handling of testing and inspection data, and improper labeling of production locations. Accordingly, the Company established an Investigation Committee composed of external experts on May 13, 2026. The investigation by the Investigation Committee is expected to be completed by the end of August 2026. Based on the results, the company is required to examine the impact of potential product quality issues on its financial performance Moreover, as announced in the press release dated April 27, 2026, “Notice Regarding Disclosure of the Revised Improvement Plan and the Status Report, ” the Company has received notice regarding the review that NIDEC FIR INTERNATIONAL S.R.L. (“FIR”), a consolidated subsidiary of the Company, had filed a voluntary declaration concerning unpaid additional customs duties on December 2, 2025, and the voluntary declaration has been completed (closed) from the U.S. Customs Authority. However, the Company has continued to expand the scope of the investigation into transactions with the U.S. within the group companies, excluding FIR and has also been conducting a review of non-U.S. transactions in parallel. If the investigation reveals any further additional customs duties, the Company will need to evaluate the financial impact of such customs duties.

These investigations remain ongoing at present and are expected to take a considerable amount of time. In addition, following the completion of the investigation, the Company’s financial closing procedures and audit procedures by the accounting auditor based on the findings are also expected to require a significant amount of time. In light of the above circumstances, the Company determined that it would be difficult to receive the Independent Auditor’s report and file Annual Securities Report for the 53rd Fiscal Year (Ended March 31, 2026) by a statutory filing deadline and has decided to consider filing an application for approval of an extension of the deadline of Annual Securities Report with the Kanto Local Finance Bureau, to September 30, 2026 as the extended filing deadline.

2. Future Outlook

Regarding the Financial Results for the Fiscal Year Ended March 31, 2026, although the statutory filing deadline is June 30, 2026, the Company will promptly disclose Annual Securities Report for the 53rd Fiscal Year (Ended March 31, 2026) as soon as the details are finalized in coordination with the relevant parties.

3. Preliminary Figures for the Fiscal Year Ended March 31, 2026(April 1, 2025 – March 31, 2026)

(Reference)

Although the Company has not yet disclosed its consolidated financial results for the Fiscal Year Ended March 31, 2026 [IFRS], however its preliminary consolidated figures under IFRS for the Fiscal Year ended March 2026 at this time are as follows:

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