Attachment Nippon Telegraph and Telephone Corporation May 12, 2006 NTT's Shares and Shareholders (as of March 31, 2006) 1. Classification of Shareholders Notes:1. "Other Domestic Corporations" includes 6,640 shares under the name of Japan Securities Depository Center, and "Odd-Lot Shares" includes 0.72 shares under the name of Japan Securities Depository Center. 2. "Domestic Individuals, etc." includes 1,919,361 shares of treasury stock, and "Odd-Lot Shares" includes 0.08 shares of treasury stock. The actual number of treasury stock shares at the end of March 31, 2006 was 1,919,356.08. 3. The number of shareholders who own only odd-lot shares is 404,034. 2. Classification by Number of Shares Notes:1. "At Least 1,000" includes 6,640 shares under the name of the Japan Securities Depository Center, and "Odd-Lot Shares" includes 0.72 shares under the name of Japan Securities Depository Center. 2. "At Least 1,000" includes 1,919,361 shares of treasury stock, and "Odd-Lot Shares" includes 0.08 shares of treasury stock. 3. Principal Shareholders Note: The Company's holdings of treasury stock (1,919,356.08 shares) are not included in the above figures. Copyright (c) 2006 Nippon telegraph and telephone corporation