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

Aspen Technology to Present at the Canaccord Growth Conference

Aspen Technology Announces Date of Second-Quarter 2006 Financial Results Release, Conference Call and Webcast

Aspen Technology to Present at the Canaccord Genuity Growth Conference

Aspen Technology to Present at Upcoming Cowen and UBS Investor Conferences

Aspen Technology Announces Date of Fourth-Quarter Fiscal 2014 Financial Results Release, Conference Call and Webcast

Aspen Technology Announces Date of First-Quarter Fiscal 2018 Financial Results Release

Aspen Technology to Present at Upcoming Conferences in May

Aspen Technology to Present at UBS Global Technology and Services Conference

Aspen Technology to Present at Two Investor Conferences in May