Jury Returns Verdict against M3 Technology in favor of Aspen Technology in Trade Secret Misappropriation, Copyright Infringement, and Tortious Interference Action

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

Soares Pinto Brings Deep Process Industry Technology and Business Leadership Experience to Expand AspenTech’s Presence in Latin America

Announces Selected Preliminary Financial Results for the Second Quarter of Fiscal 2009

Aspen Capital Cost Estimator (ACCE) Application Reduces from Months to Weeks the Time Required to Produce Accurate Global Project Estimates

Leading Japanese engineering and construction company extends commitment to AspenTech applications with new multi-year agreement

Seasoned Technology Leader Brings Strategic Leadership, Global Enterprise Software Experience and Financial Expertise to AspenTech

25-Year Process Industry Executive Brings Additional Focus to Expanding Company’s Presence in the Middle East

Aspen Technology Files Extension for Second Quarter Form 10-Q

Brings Extensive Technology Investment Banking and Executive Management Experience to AspenTech