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

Aspen Technology to Present at 12th Annual Needham Growth Conference

Aspen Technology Brings New Levels of Performance Insight to Drive the Smart Enterprise

Aspen Technology to Host Investor Day

Aspen Technology to Present at the William Blair Growth Stock Conference

Aspen Technology Begins Journey toward the Self-Optimizing Plant with Aspen Unified

Aspen Technology to Present at the William Blair Growth Stock Conference

Aspen Technology Appoints Karen Golz to its Board of Directors