Germany's Leading Hospital Group Chooses TomoTherapy

  
    
  
  
    
      TomoTherapy Incorporated 
      (NASDAQ:TTPY) announced today that HELIOS 
      Hospital Berlin-Buch has installed the TomoTherapy® 
      Hi-Art® treatment 
      system for advanced cancer care. The customer wanted a rapid 
      installation process, and TomoTherapy responded. The order was placed on 
      November 16 and the system was fully installed one month later. The 
      first patient treatments are scheduled to begin the week of January 21, 
      2008.
    
    
      HELIOS Hospital Berlin-Buch is the newest hospital constructed by the HELIOS 
      Hospital Group, which is the largest, most medically advanced 
      hospital group in Germany. The HELIOS Hospital Group is a subsidiary of Fresenius 
      ProServe, an international healthcare services and facilities 
      management firm.
    
    
      “The HELIOS Hospital Group is an ideal partner 
      for us,” said Rik Van den Neste, M.D., 
      director of European sales for TomoTherapy. “They 
      are a leader in the private hospital movement in Germany and committed 
      to the most up-to-date medical care. We look forward to working with 
      HELIOS to help ensure that their cancer patients have access to 
      TomoTherapySM treatments by the end of next 
      month.”
    
    
      HELIOS Hospital Berlin-Buch will become the seventh facility in Germany 
      to install the TomoTherapy Hi-Art treatment system. The 
      system was introduced in the United States in July 2003. Today, there 
      are more than 150 Hi-Art radiation therapy systems in use around 
      the world.
    
    
      About the HELIOS Group
    
    
      The HELIOS Group is the leading hospital group in Germany, operating 58 
      clinics with approximately 16,000 beds. HELIOS stands for first-class 
      medical care, using both the most up-to-date and least intrusive 
      methods. The HELIOS mission is to provide the finest medical treatment 
      using state-of-the-art procedures. The TomoTherapy® 
      Hi-Art® treatment 
      system has been installed at the HELIOS Klinikum Berlin-Buch. First 
      patient treatments are scheduled for end of January 2008.
    
    
      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. TomoTherapy, the TomoTherapy logo and Hi-Art are among 
      trademarks, service marks or registered trademarks of TomoTherapy 
      Incorporated.