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Exact Sciencesa? Abstract Published in AACR Abstract Book is Pilot Study, Validation Study Data Will Be Announced at 1:00 PM ED

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^{Published in Health and Fitness on Wednesday, October 27th 2010 at 23:00 GMT by Market Wire}  

MADISON, Wis.--([ BUSINESS WIRE ])--Exact Sciences (NASDAQ:EXAS) would like to clarify that the abstract included in the American Association for Cancer Researcha™s (AACR) abstract book for the 2010 Special Conference for Colorectal Cancer: Biology to Therapy is that of a pilot study, separate from the validation study results that are embargoed for release on Thursday, October 28 at 1:00 PM EDT. The abstract is #PR 9. The Company is making this announcement in advance of the 1:00 PM EDT AACR press conference in Philadelphia and 3:00 PM EDT investor call because of the AACRa™s early release of the pilot study abstract, which was submitted in August, 2010. Both the pilot study data and the validation study data will be discussed in the investor call.

The investor call and webcast with additional details on both of these studies will be held Thursday, October 28 at 3:00 PM EDT. On the call, Dr. David Ahlquist, M.D., Mayo Clinic, Rochester, Minn., Dr. Graham Lidgard, chief scientific officer of Exact Sciences and Kevin T. Conroy, president and chief executive of Exact Sciences, will describe the results of the pilot study and validation study, including details of both the training and test sets. The webcast will be available at [ www.exactsciences.com ]. Domestic callers should dial 877-212-6082 and international callers should dial 707-287-9332. The access code for both domestic and international callers is 15683774. A replay of the conference call will be available at the companya™s website. The conference call, webcast and replay are open to all interested parties.