FOR IMMEDIATE RELEASE

Forrester To Speak At The William Blair & Co. Emerging Growth Stock Conference

Cambridge, Mass., September 16, 2009 . . . Forrester Research, Inc. (Nasdaq: FORR) today announced that Forrester Chairman and Chief Executive Officer George F. Colony and Chief Financial Officer Michael A. Doyle will speak at the William Blair & Co. Emerging Growth Stock Conference on Tuesday, October 6, 2009.

George Colony and Michael Doyle will address the conference attendees at The Waldorf-Astoria Hotel in New York at 2:45 p.m. Eastern time. For more information and a link to the conference live Webcast, please visit http://www.wsw.com/webcast/blair18/forr. A replay of the Webcast will be available for approximately 90 days following the call at http://cc.talkpoint.com/ubsx001/060809a_ke/?entity=61_YL8MGGW.

About Forrester Research

Forrester Research, Inc. (Nasdaq: FORR) is an independent research company that provides pragmatic and forward-thinking advice to global leaders in business and technology. Forrester works with professionals in 20 key roles at major companies providing proprietary research, customer insight, consulting, events, and peer-to-peer executive programs. For more than 26 years, Forrester has been making IT, marketing, and technology industry leaders successful every day. For more information, visit www.forrester.com.

Contact:

Russell Sweeney
Investor Relations
Forrester Research, Inc.
+1.617.613.6350
investor@forrester.com