Leading Depressurization Technology Supports Critical Activity of Plant Safety for Oil & Gas and Chemical Companies

Aspen Technology Announces Rescheduled Annual Meeting

Aspen Technology Announces Financial Results for the Third Quarter of Fiscal 2015

Aspen Technology Announces Financial Results for the Second Quarter of Fiscal 2015

Aspen Technology Names Karl Johnsen Chief Financial Officer

Aspen Technology to Present at the Nasdaq 33rd Investor Conference

Aspen Technology to Host Investor Day

Aspen Technology to Present at the Nasdaq 33rd Investor Conference

Aspen Technology to Present at the J.P. Morgan 43rd Annual Technology, Media and Telecom Conference

Aspen Technology Announces Date of Second-Quarter Fiscal 2015 Financial Results Release, Conference Call and Webcast