Aspen Technology Announces Entry of Judgment in Litigation with Former Employee

Strong license revenue growth drives significant upside on profitability

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

Announces $100 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 2015 Financial Results Release, Conference Call and Webcast

Board of Directors Approve $40 Million Share Repurchase Program

Middle East Region a Strategic Focus Area in Process Industry Leader’s Growth Strategy

Aspen Technology Announces Date of Fourth-Quarter Fiscal 2012 Financial Results Release, Conference Call and Webcast

Introduces Industry Innovations with New aspenONE® Web-based User Interface and aspenONE Exchange, and Enhancements for Aspen PIMS™ Platinum and aspenONE Engineering