Forrester Research, Inc. (Nasdaq: FORR) today reported a correction to the consolidated statements of cash flows included in its November 19, 2007 press release announcing financial results for the third quarter ended September 30, 2007. The consolidated statement of cash flows for the nine months ended September 30, 2006 contained a mathematical error, resulting in inaccurate net cash provided by operating activities and accordingly, in the net increase in, and end of period, cash and cash equivalents. The consolidated statements of income and balance sheets are not affected.

The consolidated statements of income, consolidated balance sheets, and corrected consolidated statements of cash flows are attached.