FOR IMMEDIATE RELEASE July 1, 2004 ADVANTEST CORPORATION (Toshio Maruyama, President and COO) (Stock Code Number: 6857, TSE first section) (Ticker Symbol: ATE, NYSE) CONTACT: Yuri Morita (Managing Executive Officer and Senior Vice President, Corporate Affairs Group) Phone: +81-(0)3-3342-7500 Advantest Issues Stock Option (Stock Acquisition Rights) Tokyo -July 1, 2004 - Advantest Corporation (the "Company") resolved at a meeting of its Board of Directors on June 25, 2004 to issue stock options in the form of stock acquisition rights pursuant to a shareholders resolution at the 62nd annual general meeting of shareholders. The specific terms and conditions of the issuance of stock options in the form of stock acquisition rights that were not determined at the meeting of its Board of Directors on June 25, 2004 have been determined as set forth below. 1. Date of issuance July 1, 2004 2. Total subscription price to be paid upon exercise of 746,400 Yen per unit (7,464 Yen per share) each stock acquisition right 3. The total value of all shares (newly issued 5,680,104,000 Yen shares or treasury shares) issued or delivered upon the exercise of stock acquisition rights 4. The amount of the issuance price of the newly issued shares issued pursuant to the exercise 3,732 Yen per share of stock acquisition rights that will be incorporated into capital For Reference (1) The date of the meeting of the Board of Directors May 28, 2004 setting the date for the annual general meeting of shareholders (2) Date of the resolution made pursuant to the annual June 25, 2004 general meeting of shareholders