MARLBOROUGH, Mass.--(BUSINESS WIRE)--EXACT Sciences Corporation (NASDAQ: EXAS) announced today that it will host a conference call for its third quarter financial and operating results, and other corporate developments, on Tuesday, October 23, 2007 at 8:30 a.m. ET. EXACT Sciences will announce its third quarter 2007 financial and operating results on Monday, October 22, 2007, after the close of regular market trading hours.