TomoTherapy to Present at Two Investment Conferences in Early January

  
    
  
  
    
      TomoTherapy Incorporated (NASDAQ: TTPY) today announced that management 
      will participate in two investment community conferences in early 
      January 2008.
    
    
      Steve Hathaway, CFO, will present at the Needham & Company, LLC 10th 
      Annual Growth Conference on Tuesday, Jan. 8, 2008, at 4:00 p.m. 
      ET. The conference is taking place Jan. 8-11, 2008, at the New York 
      Palace Hotel in New York City.
    
    
      On Thursday, Jan. 10, 2008, Dr. Fred Robertson, CEO, and Steve Hathaway 
      will present at the JPMorgan Healthcare Conference at 8:30 a.m. PT. The 
      conference is being held Jan. 7-10, 2008, at the Westin St. Francis in 
      San Francisco.
    
    
      A live Webcast of both presentations will be available on the investor 
      relations page of TomoTherapy’s Web site at www.TomoTherapy.com. 
      For those who are unable to listen to the live presentation, an archive 
      of the Webcast will be available on the company’s 
      site for 30 days following the presentation.
    
    
      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. Effective Jan. 2, 2008, the company’s 
      symbol will change to TOMO. To learn more about TomoTherapy, please 
      visit our Web site at www.TomoTherapy.com.
    
    
      ©2007 TomoTherapy Incorporated. All rights 
      reserved. TomoTherapy, the TomoTherapy logo and Hi·Art 
      are among trademarks, service marks or registered trademarks of 
      TomoTherapy Incorporated.