Aspen Technology to Present at Upcoming Cowen and UBS Investor Conferences

Final Judgment and Permanent Injunction Entered Against M3 Technology in Favor of Aspen Technology

Aspen Technology to Present at Upcoming Conferences in May

Federal Appeals Court Upholds Final Judgment and Permanent Injunction Against M3 Technology in Favor of Aspen Technology

Aspen Technology to Present at UBS Global Technology and Services Conference

Process Industry Leaders VP and CIO Michael Gibbs, VP John Prows, and SVP Bert Aragon to Join AspenTech CEO Mark Fusco and EVP Manolis Kotzabasakis in Opening Session of AspenTech’s 30th Anniversary Year Global Conference

Aspen Technology to Present at Two Investor Conferences in August

DuPont to Discuss How Integrated Basic Engineering Improves the Efficiency and Quality of Capital Projects

Aspen Technology Announces Financial Results for the Third Quarter Fiscal 2011

Delivers New Aspen HYSYS®, Solids Modeling Within Aspen Plus®,New Aspen PIMS™ Platinum and Aspen Collaborative Demand Manager™, and Breakthrough Innovations in Advanced Process Control, Energy and Economic Analysis