Related Party Transactions and Outside Related Director Information

Aspen Technology, Inc. (AZPN)

10/28/2005 Proxy Information

No related party transactions or special relationships reported for this company. Director relationships marked "Outside Related" at this firm will most often be former executives of the company. Additional information regarding these relationships will be added during our regular updates.

10/28/2004 Proxy Information

Mr. Evans served as Chief Executive Officer of Aspen Technology, Inc. from 1984 through September 2002, as President from inception until 1984 and from January 2001 through September 2002 and as Treasurer from 1984 to 1995.

10/28/2003 Proxy Information

Mr. Boston is a founder and served as President of Aspen Technology, Inc. from 1984 until January 2001.