Audio Webcast

Oct. 28, 2026 Press Conference on the Status of Initiatives toward Nidec Reform

Announcement Date	Oct. 27, 2026 Nidec Files Suit for Damages against Former Executives Oct. 28, 2026 Notice Concerning the Status of Efforts to Resolve the Disclaimer of Opinion
Webcast Briefing	Oct. 28, 2026 5:00pm (JST) Status of Initiatives Toward Nidec Reform (Presentation Materials) Webcast ※Webcast available from Oct. 29, 2026

Oct. 1, 2026 Press Conference on Change of President and Financial Results

Announcement Date

Sep. 29, 2026

Notice Regarding the Resignation of the Representative Director and President Chief Executive Officer, and the Appointment of a New President Chief Executive Officer and Other Officers
Sep. 30, 2026

Financial Statements (Fiscal Year Ended March 31, 2026)
Q3 Financial Statements
Notice Concerning Disclaimer of Opinion in Independent Auditor's Report for the Securities Report, Disclaimer of Review Conclusion for the Third Quarter Financial Results, and Disclaimer of Opinion in Internal Control Audit Report for the Fiscal Year Ended March

Webcast Briefing

Oct. 1, 2026 4:00pm (JST)

Transformation toward Nidec Reform (Presentation Materials)
Webcast
※Webcast available from Oct. 2, 2026

Sep. 4, 2026 Briefing on the Disclosure of Investigation Report and Nidec’s Actions in Response to It

Announcement Date	Sep. 4, 2026 12:00pm (JST) Disclosure of Investigation Report and Nidec’s Actions in Response to It
Webcast Briefing	Sep. 4, 2026 3:00-4:30pm (JST) Webcast of the Investigation Committee Briefing 5:00-7:00pm (JST) Webcast of Nidec Corporation Briefing Presentation Materials "Toward Nidec Reform -The Quality Investigation Committee’s Investigation Results, and the Status of Recurrence Prevention Actions and Reform -" ※Webcast available from Sep. 5, 2026

May 13, 2026 Toward Nidec Reform

Webcast Briefing	May 13, 2026 5:00pm (JST) Presentation Materials "Toward Nidec Reform" Webcast ※Webcast available from May 14, 2026

Mar. 3, 2026 Briefing regarding the Third-Party Committee’s Investigation Report

Announcement Date	Mar. 3, 2026 4:15pm (JST) Announcement Regarding the Disclosure of the Third-Party Committee’s Investigation Report and Our Company’s Response
Webcast Briefing	Mar. 3, 2026 5:30-7:00pm (JST) Webcast of the Third-Party Committee Briefing 8:00-10:00pm (JST) Webcast of Nidec Corporation Briefing Presentation Materials for the Briefing on the Third-Party Committee’s Investigation Report ※Webcast available from Mar. 4, 2026

Jan. 28, 2026　Briefing regarding the Release of Nidec’s Improvement Plan and Status Report

Announcement Date	Jan. 28, 2026 3:30pm (JST) Improvement Plan and Status Report
Webcast Briefing	Jan. 28, 2026 5:00pm (JST) Presentation Materials for the Briefing regarding the Release of Nidec’s Improvement Plan and Status Report Webcast ※Webcast available from Jan. 29, 2026