Nidec to Increase Shareholding in Sankyo Seiki

Pursuant to Article 167 of the Securities Exchange Law of Japan, Nidec Corporation (¡°Nidec¡±) announced today it has decided to purchase 5,000,000 shares of common stock in one of its subsidiaries, Sankyo Seiki Mfg. Co., Ltd.(¡°Sankyo Seiki¡±, Code:7757), whose shares are listed on the First Section of the Tokyo Stock Exchange. As a result, Nidec will increase its holding ratio for Sankyo Seiki stock to 52.27%. Details of the Share Purchase are as follows: 1. Class of shares to be purchased: Common Stock of Sankyo Seiki 2. Total number of shares to be purchased: 5,000,000 shares 2.82% of Sankyo Seiki¡¯s total outstanding shares 3. Total number of Sankyo Seiki shares to be held by Nidec: 92,528,000 shares 52.27% of Sankyo Seiki¡¯s total outstanding shares Notes: Including the number of shares currently held by Nidec¡¯s subsidiaries, the total number of Sankyo Seiki shares to be held by Nidec will amount to 97,528,000 shares, or 55.09% of Sankyo Seiki¡¯s total outstanding shares.