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TomoTherapy to Present at Two Upcoming Investment Conferences

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^{Published in Health and Fitness on Tuesday, May 18th 2010 at 13:20 GMT by Market Wire}  

MADISON, WI--(Marketwire - May 18, 2010) - [ TomoTherapy Incorporated ] (NASDAQ: [ TOMO ]), maker of advanced radiation therapy solutions for cancer care, today announced that company management will participate in two upcoming investment community conferences.

On Thursday, May 27, 2010, Dr. Fred Robertson, CEO, and Thomas Powell, CFO, will present at the 2010 Citi Investment Research Global Health Care Conference at 1:30 p.m. ET. The conference takes place at the Hilton New York in New York City, N.Y.

Robertson and Powell will also present at Lazard Capital Markets' Annual Radiation Oncology Day on Thursday, June 3, 2010, at 3:15 p.m. ET. The conference is being held at the W Hotel in New York City, N.Y.

A live Webcast of the Citi presentation will be available on the [ investor relations page of 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 develops, markets and sells advanced radiation therapy solutions that can be used to treat a wide variety of cancers, from the most common to the most complex. The ring gantry-based TomoTherapy^® platform 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. TomoTherapy's suite of solutions include its flagship Hi·Art^® treatment system, which has been used to deliver more than three million CT-guided, helical intensity-modulated radiation therapy (IMRT) treatment fractions; the TomoHD^™ treatment system, designed to enable cancer centers to treat a broader patient population with a single device; and the TomoMobile^™ relocatable radiation therapy solution, designed to improve access and availability of state-of-the-art cancer care. TomoTherapy's stock is traded on the NASDAQ Global Select Market under the symbol TOMO. To learn more about TomoTherapy, please visit TomoTherapy.com.

©2010 TomoTherapy Incorporated. All rights reserved. TomoTherapy, Tomo, TomoDirect, TQA, the TomoTherapy logo and Hi·Art are among trademarks, service marks or registered trademarks of TomoTherapy Incorporated in the United States and other countries.