FOR IMMEDIATE RELEASE June 28, 2005 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)3-3214-7500 Advantest Issues Stock Option (Stock Acquisition Rights) Tokyo -June 28, 2005 - Advantest Corporation (the "Company") resolved at a meeting of its Board of Directors today to issue stock options in the form of stock acquisition rights pursuant to Article 280 Paragraphs 20 and 21 of the Commercial Code and a shareholders resolution at the 63rd annual general meeting of shareholders under the terms set forth below. 1. Date of issuance July 4, 2005 2. Number of stock acquisition rights issued 7,590 3. Issuance price No consideration shall be paid. 4. Class and total number of shares underlying 759,000 shares of common stock of Advantest the stock acquisition rights Corporation (each stock acquisition right shall be exercisable for 100 shares) 5. Total subscription price to be paid upon To be determined as of July 4, 2005 exercise of each stock acquisition right 6. The total value of all shares (newly issued To be determined as of July 4, 2005 shares or treasury shares) issued or delivered upon the exercise of stock acquisition rights 7. Exercise period of the stock acquisition Between April 1, 2006 and March 31, 2010 rights 8. The amount of the issuance price of the The issuance price per share determined as of newly issued shares issued pursuant to the July 4, 2005 multiplied by 0.5; any fraction of exercise of stock acquisition rights that will Yen shall be rounded up be incorporated into capital 9. The number of employees receiving stock Directors, corporate auditors, executive officers acquisition rights and employees of the Company and its domestic and overseas subsidiaries, totaling 208 1 For Reference (1) The date of the meeting of the Board of May 25, 2005 Directors setting the date for the annual general meeting of shareholders (2) Date of the resolution made pursuant to the June 28, 2005 annual general meeting of shareholders 2