TomoTherapy Announces Date of Annual Meeting of Shareholders

  
    
  
  
    
      TomoTherapy Incorporated (NASDAQ: TTPY) today announced that it will 
      hold its annual meeting of shareholders on May 1, 2008 at 10 a.m. CDT. 
      The meeting will be held at TomoTherapy’s 
      corporate office located at 1212 Deming Way in Madison, Wisconsin.
    
    
      At the meeting, shareholders will elect directors up for election and 
      transact such other business as may properly come before the meeting or 
      any adjournment thereof.
    
    
      The Board of Directors of TomoTherapy Incorporated has set the close of 
      business on March 3, 2008 as the record date for the determination of 
      shareholders entitled to notice of, and to vote at, the annual meeting.
    
    
      About TomoTherapy Incorporated
    
    
      TomoTherapy Incorporated has developed, manufactures and sells the 
      TomoTherapy® Hi·Art® 
      treatment system, an advanced radiation therapy system for the treatment 
      of a wide variety of cancers. The Hi·Art treatment 
      system combines integrated CT imaging with conformal radiation therapy 
      to deliver sophisticated radiation treatments with speed and precision 
      while reducing radiation exposure to surrounding healthy tissue. The 
      company completed its initial public offering in May 2007 and its stock 
      is traded on the NASDAQ Global Market under the symbol TTPY. To learn 
      more about TomoTherapy, please visit our Web site at www.TomoTherapy.com.
    
    
      ©2007 TomoTherapy Incorporated. All rights 
      reserved. The following words and logos used herein or in italicized or 
      stylized text are trademarks or registered trademarks of TomoTherapy 
      Incorporated in the United States and other countries: the TomoTherapy 
      logo, TomoTherapy, Hi·Art and CTrue.