Investor Reference TOSHIBA CORPORATION www Web site information Toshiba is vigorously carrying out Internet-based IR activities to ensure timely and fair disclosure to all investors. Our investor relations site features information for investors, including press releases and investors' guides. There is also a section that allows site visitors to express their opinions and ask questions, part of our efforts to improve the quality of our IR activities through interactive communications with investors. www.toshiba.co.jp/about/ir/index.htm For further information, please contact: Toshiba Corporation Investor Relations Group Corporate Communications Office 1-1, Shibaura 1-chome, Minato-ku, Tokyo 105-8001, Japan Phone: +81-3-3457-2096 Facsimile: +81-3-5444-9202 Mail: ir@toshiba.co.jp or via the Internet at: http://www.toshiba.co.jp/about/ir/index.htm Product names may be trademarks of their respective companies. Printed on recycled paper PRINCIPAL SHAREHOLDERS  (%) Sumitomo Mitsui Banking Corporation. .......................................... 3.88 The Dai-ichi Mutual Life Insurance Company .................................. 3.75 Nippon Life Insurance Company .................................................... 3.36 Japan Trustee Service Bank, Ltd. .................................................. 2.94 State Street Bank and Trust Company ........................................... 2.37 The Mitsubishi Trust and Banking Corporation ................................ 1.81 UFJ Trust Bank Limited ................................................................. 1.80 The Chase Manhattan Bank NA London ......................................... 1.71 Employees Stock Ownership Plan .................................................. 1.63 NIPPONKOA Insurance Company, Limited ....................................... 1.55 As of March 31, 2002 FOUNDED July 1875 CAPITAL ¥274,926 million (US$2,067 million) EMPLOYEES 176,398 COMMON STOCK Authorized: 10,000,000,000 shares Issued: 3,219,027,165 shares No. of shareholders: 475,649 Average holding: 6,768 shares TRANSFER AGENT: The Chuo Mitsui Trust and Banking Co., Ltd. HEADQUARTERS 1-1, Shibaura 1-chome, Minato-ku, Tokyo 105-8001, Japan