Aspen Technology to Present at Upcoming Conferences in May

Aspen Technology to Present at the Pacific Crest Future Shifts in Technology Forum

Aspen Technology to Present at the Deutsche Bank dbAccess Technology Conference

Aspen Technology Announces Financial Results for the Fourth Quarter And Fiscal Year 2013

Aspen Technology Announces Financial Results for the Second Quarter of Fiscal 2013

Aspen Technology to Host Investor Day

Aspen Technology Announces Financial Results for the Third Quarter of Fiscal 2013

Aspen Technology to Present at the William Blair Growth Stock Conference

Aspen Technology Announces Date of Third-Quarter Fiscal 2013 Financial Results Release, Conference Call and Webcast

Aspen Technology Announces Date of Second-Quarter Fiscal 2013 Financial Results Release, Conference Call and Webcast