Exact Sciences Corp. (NASDAQ: EXAS) today announced that it intends to offer and sell shares of its common stock in an underwritten public offering. The offering is subject to market and other conditions, and there can be no assurance as to whether or when the offering may be completed, or as to the actual size or terms of the offering. All of the shares to be sold in the offering are to be sold by Exact. Jefferies LLC and Robert W. Baird & Co. Incorporated are acting as joint book-running managers for the proposed offering. A shelf registration statement on Form S-3 relating to the public offering of the shares of common stock described above was filed with and declared effective by the Securities and Exchange Commission (the "SEC") on May 2, 2013. A preliminary prospectus supplement relating to the offering will be filed with the SEC and will be available on the SEC's website at www.sec.gov. When available, copies of the preliminary prospectus supplement may also be obtained from: Jefferies LLC, Equity Syndicate Prospectus Department, 520 Madison Avenue, 12th Floor, New York, NY 10022, or by calling 877-547-6340, or by e-mailing Prospectus_Department@Jefferies.com; or Robert W. Baird & Co. Incorporated, Attention: Syndicate Department, 777 E. Wisconsin Avenue, Milwaukee, WI 53202, or by calling 800-792-2413, or by e-mailing firstname.lastname@example.org. This press release shall not constitute an offer to sell or the solicitation of an offer to buy these securities, nor shall there be any sale of these securities in any state or other jurisdiction in which such offer, solicitation, or sale would be unlawful prior to the registration or qualification under the securities laws of any such state or other jurisdiction. About Exact Sciences Exact Sciences Corp. is a molecular diagnostics company focused on the early detection and prevention of colorectal cancer. The company has exclusive intellectual property protecting its noninvasive, molecular screening technology for the detection of colorectal cancer. Stool-based DNA technology is included in the colorectal cancer screening guidelines of the American Cancer Society and the U.S. Multi-Society Task Force on Colorectal Cancer.