Nidec Files Annual Report on Form 20-F for the Year Ended March 31, 2011

KYOTO, Japan, June 24, 2011 (GLOBE NEWSWIRE) — Pursuant to Section 203.01 of New York Stock Exchange Listed Company Manual, Nidec Corporation (“Nidec”) (NYSE:NJ) today announced that its annual report on Form 20-F for the fiscal year ended March 31, 2011 was filed with the U.S. Securities and Exchange Commission on June 23, 2011. Nidec’s website address, from which the Form 20-F can be accessed, is: http://ping.fm/POLSd

Upon request, shareholders of Nidec may receive a printed copy of Nidec’s complete audited financial statements (F-pages of the Form 20-F) free of charge. Such requests should be made at: http://ping.fm/dKnPC

The Nidec Corporation logo is available at http://ping.fm/ued5X

CONTACT: Masahiro Nagayasu
         Senior General Manager
         Investor Relations
         +81-75-935-6140
         ir@jp.nidec.com

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