Aspen Technology Comments on Civil Complaint Filed by the Securities and Exchange Commission Against Three Former Officers and the Criminal Complaint Filed by the U.S. Attorney Against One of them, David L. McQuillin

Aspen Technology Announces Date of Fourth-Quarter Fiscal 2016 Financial Results Release, Conference Call and Webcast

Aspen Technology Appoints David Leitham as Senior Vice President and General Manager

Aspen Technology Announces Date of Fourth-Quarter Fiscal 2011 Financial Results Release, Conference Call and Webcast

Aspen Technology Appoints Chantelle Breithaupt as Senior Vice President and Chief Financial Officer

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

Aspen Technology Announces the Acquisition of Camo Analytics AS

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

Aspen Technology Announces Selected Preliminary Financial Results for the Third Quarter of Fiscal Year 2009

Aspen Technology Announces Date of First-Quarter Fiscal 2019 Financial Results Release