FOR IMMEDIATE RELEASE July 18, 2006 ADVANTEST CORPORATION (Toshio Maruyama, President and CEO) (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 corrects "Advantest Issues Stock Option (Stock Acquisition Rights) to Employees, etc." Tokyo -July 18, 2006 - Advantest Corporation (the "Company") corrects "Advantest Issues Stock Option (Stock Acquisition Rights) to Employees, etc." disclosed on July 13, 2006 as set forth below. The corrections are underlined. (Before correction) 2. Number of stock acquisition rights allocated 6,120 ----- 3. Class and total number of shares underlying 612,000 shares of common stock of Advantest the stock acquisition rights ------- Corporation (each stock acquisition right shall be exercisable for 100 shares) 5. The total value of all shares (newly issued 7,197,120,000 Yen shares or treasury shares) issued or delivered ------------- upon the exercise of stock acquisition rights 7. The number of employees receiving stock Executive officers and employees of the Company acquisition rights and directors and employees of its domestic and overseas subsidiaries, totaling 203 --- (After correction) 2. Number of stock acquisition rights allocated 6,090 ----- 3. Class and total number of shares underlying 609,000 shares of common stock of Advantest the stock acquisition rights ------- Corporation (each stock acquisition right shall be exercisable for 100 shares) 5. The total value of all shares (newly issued 7,161,840,000 Yen shares or treasury shares) issued or delivered ------------- upon the exercise of stock acquisition rights 7. The number of employees receiving stock Executive officers and employees of the Company acquisition rights and directors and employees of its domestic and overseas subsidiaries, totaling 202 --- 1