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

Aspen Technology Announces Date of Fiscal 2007 Second-Quarter Financial Results Release, Conference Call and Webcast

Aspen Technology Announces Date of First-Quarter Fiscal 2012 Financial Results Release, Conference Call, Webcast

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

Aspen Technology Announces Date of Fiscal 2007 Third-Quarter Financial Results Release, Conference Call and Webcast

Arbitral Tribunal Issues Award in Favor of Aspen Technology in Arbitration Proceeding vs. Advanced Technology Middle East, WLL

Alison Smith Joins AspenTech as Vice President of Marketing Strategy & Research

Aspen Technology Announces Financial Results for the Third Quarter Fiscal Year 2010

Aspen Technology Announces Financial Results for the Third Quarter Fiscal 2011

AspenTech to Present at Upcoming Conferences in August