Aspen Technology Announces Date of First-Quarter Fiscal 2010 Financial Results Release, Conference Call and Webcast

Bluestar signs Strategic Framework Co-operation Agreement with AspenTech to Broaden Deployment

AspenTech Announces CFO Retirement

Aspen Technology Announces Conversion of Series D-2 Preferred Stock to Common Stock

BlueStar Chooses Aspen Technology Software to Accelerate Digitalization via Artificial Intelligence

World-Renowned University Professors to Provide Guidance for Development of Next-Generation aspenONE® Software Products

Black & Veatch Expands Use Of aspenONE Process Engineering Solutions

Eliminates approximately $15 million in future annual preferred stock discount and dividends

AspenTech Receives Prescriptive Maintenance in Plant Asset Management PAM Software Market Award

AspenTech’s Patented aspenONE Master Data Model Delivers Asset Lifecycle Management