Main schedule about IR Information of MITSUMI ELECTRIC CO.,LTD. Last updated: February. 2, 2012

Yearly Schedule Mid-May Announcement of Financial Results Early June Distribution of Notice to Convene Regular General Meeting of Stockholders Late June Regular General Meeting of Shareholders Held Early July Report issued on Fiscal Year Earnings Early August First Quarter Consolidated Results announced Early November Second Quarter Consolidated Results announced Early December Interim Report Published Early February Third Quarter Consolidated Results announced *Please note: Dates and details are subject to change.

Yearly Results May 12, 2011 Announcement of March 2011 Financial Results June 3, 2011 Distribution of Notice to Convene Regular General Meeting of Stockholders June 24, 2011 Regular General Meeting of Shareholders Held June 28, 2011 66th Term (March, 2011) Report Published August 4, 2011 Announcement of March 2012 First quarter consolidated results November 4, 2011 Announcement of March 2012 Second quarter consolidated results December 12, 2011 67th Term (March, 2012) Interim Report Published February 2, 2012 Announcement of March 2012 Third quarter consolidated results