NIDEC CORPORATION

May 7	Notice Regarding the Status of Own Share Repurchase
Apr. 25	Presentation material for the Year ended Mar. 31, 2012
Apr. 24	Nidec Announces Financial Results for the Year Ended March 31, 2012
	Supplementary Financial Data for the Year Ended March 31, 2012
	Notice Concerning a Share Exchange Agreement to Make Nidec Sankyo Corporation a Wholly Owned Subsidiary of Nidec Corporation
	Notice Regarding Extraordinary Income (Non-Consolidated Financial Results)
Apr. 12	Nidec to Acquire Ansaldo Sistemi Industriali S.p.A., Italy
Apr. 3	Nidec Shimpo Completes Acquisition of The Minster Machine Company and Announces Outline of Its New Subsidiary
Apr. 2	Notice Regarding the Status of Own Share Repurchase
Mar. 28	Nidec Files Shelf Registration Statement in Japan for Future Domestic Bond Issuances
Mar. 26	Nidec Techno Motor Holdings to Construct R& D Center in Japan
Mar. 15	Nidec to Participate in 79th C.E.F in Shenzhen
Mar. 6	Nidec Shimpo to Acquire Minster Machine Company, U.S.A.
Mar. 1	Notice Regarding the Status of Own Share Repurchase
Feb. 6	Nidec Announces Expiration of Own Share Repurchase Plan
	Nidec Board Authorizes Own Share Repurchase
Feb. 1	Notice Regarding the Status of Own Share Repurchase
	Nidec to Participate in Electronics For You Expo 2012
Jan. 24	Nidec Announces Financial Results for 3Q Ended Dec. 31, 2011
	Supplementary Financial Data for 3Q ended Dec. 31, 2011
	Presentation material for 3Q ended Dec. 31, 2011
	Nidec Revises Downward Consolidated Financial Forecasts for the Year Ending March 31, 2012
	Nidec Announces Impact of the October 2011 Flooding in Thailand
Jan. 10	Nidec Establishes New Subsidiary in Shanghai, China
	Nidec to Participate in 2012 EV Japan Exhibition
Jan. 5	Notice Regarding the Status of Own Share Repurchase
Dec. 15	Nidec Updates Status of Operations in Thailand
Dec. 9	Nidec Updates Status of Operations in Thailand
Dec. 6	Nidec Announces Business Combination between Consolidated Subsidiaries
Dec. 2	Nidec Updates Status of Operations in Thailand
Dec. 1	Notice Regarding the Status of Own Share Repurchase
Nov. 22	Nidec Updates Status of Operations in Thailand
Nov. 15	Update on Damages Caused by Floods in Thailand
Nov. 14	Update on Damages Caused by Floods in Thailand
Nov. 8	Nidec Group to Exhibit Products at "SMTCE 2011"
Nov. 7	Update on Damages Caused by Floods in Thailand
Nov. 1	Notice Regarding the Status of Own Share Repurchase
Oct. 26	Presentation material for 2Q Ended Sep. 30, 2011
Oct. 25	Nidec Announces Financial Results for 2Q Ended Sep. 30, 2011
	Supplementary Financial Data for 2Q Ended Sep. 30, 2011
	Update on Damages Caused by Floods in Thailand
Oct. 21	Update on Damages Caused by Floods in Thailand
Oct. 13	Update on Damages Caused by Floods in Thailand
Oct. 11	Information on Damages Caused by Floods in Thailand
Oct. 7	Nidec Expands Own Share Repurchase Plan
Oct. 7	JCR Assigned J-1 Rating to CP of Nidec Corporation
Oct. 3	Notice Regarding the Status of Own Share Repurchase
Sep. 14	Notice Regarding the Status of Own Share Repurchase
Aug. 30	Nidec to Exhibit Products at Electronica India 2011
Aug. 1	Nidec Celebrates Ten Years on the NYSE
Jul. 22	Nidec Announces Financial Results for 1Q Ended June 30, 2011
	Supplementary Financial Data for 1Q ended June 30, 2011
	Presentation material for 1Q ended June 30, 2011
	Nidec Raises 1H and Full-year Guidance for the Year Ending March 31, 2012
Jul. 1	Nidec and its Subsidiary Complete Acquisition of Sanyo Seimitsu Shares and Announce Outline of New Subsidiaries
Jun. 21	The Regular General Meeting of Shareholders for the 38th Fiscal Year