Aspen Technology Receives Staff Determination from Nasdaq

Aspen Technology Files Extension for Second Quarter Form 10-Q

Aspen Technology Completes Restatement and Files Amended Annual Report on Form 10-K Reports Record Results for Fiscal Second Quarter 2007

Aspen Technology Appoints James Hintlian to Launch Pharmaceuticals Business Unit

Aspen Technology Announces "Energy on Ice" -- An International Good Will Hockey Game to Benefit Youth Hockey and Charities

Aspen Technology Announces Date of Selected Preliminary Fiscal 2008 First-Quarter Financial Results Release, Conference Call and Webcast

Aspen Technology Announces Date of Fiscal 2007 Third-Quarter Financial Results Release, Conference Call and Webcast

Aspen Technology Announces Date of Fiscal 2007 Second-Quarter Financial Results Release, Conference Call and Webcast

Aspen Technology Announces Selected Financial Results for Second-Quarter Fiscal Year 2007

Aspen Technology Announces Secondary Offering of 18,000,000 Shares of Common Stock by Affiliates of Advent International