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

Aspen Technology to Present at the William Blair & Company’s 32nd Annual Growth Stock Conference

Aspen Technology to Present at the Deutsche Bank Technology Conference

Aspen Technology Files Extension for Second Quarter Form 10-Q

Aspen Technology to Present at Pacific Crest Future of Enterprise IT Conference

Aspen Technology to Present at the Deutsche Bank dbAccess Technology Conference

Aspen Technology Delivers New Industrial AI Solutions to Accelerate the Journey

Aspen Technology to Present at the Nasdaq 33rd Investor Conference

Aspen Technology to Host Investor Day

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