October 20, 2008

The Hackett Group (NASDAQ: HCKT) invites you to participate in the 2008 Third Quarter Earnings Conference Call on Wednesday, November 5, 2008

At 5:00 P.M. ET on Wednesday, November 5, 2008, the senior management of The Hackett Group, formerly known as Answerthink, Inc., will host a conference call to discuss Third Quarter earnings results for the period ending September 26, 2008.

The number for the conference call is (800) 857-9601, [Passcode: Third Quarter, Leader: Ted A. Fernandez]. For International callers, please dial (210) 234-8000.

Please dial in at least 5-10 minutes prior to start time. If you are unable to participate on the conference call, a rebroadcast will be available beginning at 8:00 P.M. ET on Wednesday, November 5, 2008 and will run through 5:00 P.M. ET on Wednesday, November 19, 2008. To access the rebroadcast, please dial (866) 417-5768. For International callers, please dial (203) 369-0736.

In addition, The Hackett Group will also be webcasting this conference call live through the StreetEvents.com service. To participate, simply visit http://www.thehackettgroup.com approximately 10 minutes prior to the start of the call and click on the conference call link provided. An online replay of the call will be available after 8:00 P.M. ET on Wednesday, November 5, 2008 and will run through 5:00 P.M. ET on Wednesday, November 19, 2008. To access the replay of the call, visit http://www.thehackettgroup.com or http://www.streetevents.com.

For additional information on The Hackett Group, please visit our website at www.thehackettgroup.com.

We look forward to your participation.