TomoTherapy to Present at Upcoming Investment Conferences

Company Featured at William Blair 28th Annual Growth Stock Conference on June 19 and Jefferies 2nd Annual Healthcare Conference on June 25

MADISON, Wis. – June 11, 2008 – TomoTherapy Incorporated (NASDAQ: TOMO) today announced that management will participate in two investment community conferences this month.

On Thursday, June 19, 2008, Fred Robertson, CEO, and Steve Hathaway, CFO, will present at the William Blair 28th Annual Growth Stock Conference at 9:50 a.m. CT. The conference is being held at the Four Seasons Hotel in Chicago, Ill.

The next week, on Wednesday, June 25, 2008, Del Coufal, V.P. Marketing, and Shawn Guse, V.P., Secretary & General Counsel, will present at the Jefferies 2nd Annual Healthcare Conference at 1:30 p.m. ET in New York City, N.Y.

Live Webcasts of the William Blair and Jefferies presentations will be available on the investor relations page of TomoTherapy.com. For those who are unable to listen to the live presentations, archives of the Webcasts will be available on the company’s site for 30 days following the presentation.

About TomoTherapy Incorporated

TomoTherapy Incorporated has developed, markets 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’s stock is traded on the NASDAQ Global Select Market under the symbol TOMO. 

11 Jun 2008