Aspen Technology Announces Restatement of Fiscal 2006 Results

Will Add Predictive and Prescriptive Maintenance Technology to aspenONE® Software; Extends Company’s Asset Optimization Offerings

Global Process Optimization Industry Event Focuses on Driving Operational Excellence

Reduces from Weeks to Minutes the Effort Required to Generate GHG Emissions Reports

Students Will Receive Hands-on Experience with Software Applications and Hear from Technology Industry Experts

AspenTech Software Used by Process Manufacturing Industry to Combat Global Warming

Arabesque Group and Independent Technical Services (ITS) Further Expand AspenTech Presence in the Middle East

Blake to Compete This Week at the U.S. Men’s Clay Court Championship in Houston

Norway’s Technology Centre Mongstad Uses aspenONE® Software to Reduce Plant Energy Costs and Lower Greenhouse Gas Emissions

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