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 1,912,000 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 53.00%. 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: 1,912,000 shares£¨1.0% of Sankyo Seiki's total outstanding shares£© 3. Total number of Sankyo Seiki shares to be held by Nidec: 101,288,000 shares£¨53.0% of Sankyo Seiki's total outstanding shares£© 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 106,288,000 shares, or 55.62% of Sankyo Seiki¡¯s total outstanding shares.