Aspen Technology to Present at the Cowen and Company 42nd Annual Technology, Media & Telecom Conference

AspenTech Customers Adopt aspenONE V7 and Increase Efficiency in Response to Challenging Economy

Aspen Technology Receives Staff Determination from Nasdaq

Aspen Technology Announces Date of Third-Quarter Fiscal 2010 Financial Results Release, Conference Call and Webcast

Aspen Technology Provides Additional Details Relating to Filing of Form 12b-25 for Annual Report

Aspen Technology Announces Date of Third-Quarter 2006 Financial Results Release, Conference Call and Webcast

Aspen Technology Names Mark Sullivan Chief Financial Officer

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

Aspen Technology LandT Technology Services Partner to Deliver Engineering Solutions

Aspen Technology Announces Date of Selected Preliminary Fiscal 2008 Fourth-Quarter and Full Year Financial Results Release