Exhibit I AGREEMENTI Agreement • February 13th, 2002 • Greylock Equity Lp • Services-commercial physical & biological research
Pursuant to Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree that only one statement containing the information required by Schedule 13G need be filed with respect to the ownership by each of the undersigned of the shares of Common Stock of Exact Sciences Corporation.
