DISCLAIMER

Certain statements made in this web site that are not based on historical information are forward-looking statements which are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. This web site contains express or implied forward-looking statements relating to, among other things, EXACT Sciences' expectations concerning its future revenues and expenses, its business outlook and business momentum, its clinical trials, and the effectiveness and market acceptance of its technologies. These statements are neither promises nor guarantees, but are subject to a variety of risks and uncertainties, many of which are beyond EXACT Sciences' control, which could cause actual results to differ materially from those contemplated in these forward-looking statements. For disclosure regarding these risks faced by EXACT Sciences, see the disclosure contained in EXACT Sciences' public filings with the Securities and Exchange Commission including, without limitation, its most recent Annual Report on Form 10-K and subsequent Forms 10-Q, if any. Existing and prospective investors are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date thereof. EXACT Sciences undertakes no obligation to update or revise the information contained in this web site, whether as a result of new information, future events or circumstances or otherwise.

[Last updated: July 2004]