Miller Joins Company’s Senior Management Team, Bringing over Twenty Years Executive Leadership and Financial Management Experience

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

Aspen Technology Files Extension for Second Quarter Form 10-Q

Aspen Technology Names Karl Johnsen Chief Financial Officer

Aspen Technology to Host Investor Day

Aspen Technology Names Mark Sullivan Chief Financial Officer

Aspen Technology Receives Staff Determination from Nasdaq

Aspen Technology Reschedules Date of First-Quarter Fiscal 2013 Financial Results Release Due to Severe Weather Conditions

Aspen Technology Appoints James Hintlian to Launch Pharmaceuticals Business Unit

Aspen Technology Comments on Civil Complaint Filed by the Securities and Exchange Commission Against Three Former Officers and the Criminal Complaint Filed by the U.S. Attorney Against One of them, David L. McQuillin