Press Releases

February 26, 2009

AspenTech Announces Availability of 7.1 Release of aspenONE® V7 Engineering

February 19, 2009

Aspen Technology Files Quarterly Report on Form 10-Q for the Second and Third Quarters of Fiscal 2008

February 12, 2009

Aspen Technology Announces Date of Conference Call to Review Selected Preliminary Financial Results

February 9, 2009

AspenTech to Sponsor CERAWeek 2009 Executive Global Oil Summit

February 2, 2009

AspenTech Sponsors ARC Advisory Group’s 13th Annual Orlando Forum

January 6, 2009

Aspen Technology to Present at the 11th Annual Needham Growth Stock Conference

December 15, 2008

AspenTech Software Used by Process Manufacturing Industry to Combat Global Warming

December 2, 2008

Alison Smith Joins AspenTech as Vice President of Marketing Strategy & Research

November 12, 2008

Aspen Technology to Present at the UBS Global Technology & Services Conference

November 3, 2008

Leading Energy, Chemicals, and Other Process Industry Manufacturers Gather in Seattle for AspenTech Supply Chain Management User Conference

October 30, 2008

Aspen Technology Announces Selected Preliminary Financial Results for the First Quarter of Fiscal Year 2009

October 24, 2008

Aspen Technology Announces Date of Selected Preliminary Fiscal 2009 First-Quarter Financial Results Release, Conference Call and Webcast

Page 31 of 39

Asia Pacific Media Relations


Georgina Tan
+65 6395 3913

Europe, Russia & Middle East Media Relations

Kate Jones
+44 118 92 26510

Industry Analyst Relations & North America Media Relations

Stephanie Jackman
+781 221 1965