Partnership Makes Efficiency and Productivity Gains of Process Optimization More Accessible Across the Process Industries

Announces $100 Million Share Repurchase Program

Aspen Technology Announces Entry of Judgment in Litigation with Former Employee

Files Annual Report on Form 10-K for Fiscal Year 2009; Files Quarterly Reports on Form 10-Q for First, Second and Third Quarters Fiscal 2009; Announces Selected Preliminary Financial Results for First Quarter Fiscal 2010

Board of Directors Approve $40 Million Share Repurchase Program

Aspen Technology Announces Date of Third-Quarter Fiscal 2011 Financial Results Release, Conference Call and Webcast

Aspen Technology Announces Date of Third-Quarter Fiscal 2013 Financial Results Release, Conference Call and Webcast

Aspen Technology Announces Financial Results for First-Quarter Fiscal Year 2007

Aspen Technology Announces Financial Results for Fourth-Quarter Fiscal Year 2006 and Completion of Stock Option Review and Restatement

Strong license revenue growth drives significant upside on profitability