Aspen Technology to Present at the Wells Fargo Securities 2011 Technology, Media & Telecom Conference

Aspen Technology to Present at the Nasdaq 35th Investor Program

Aspen Technology to Present at the Pacific Crest Emerging Technology Summit

Aspen Technology to Present at the Nasdaq 33rd Investor Conference

Aspen Technology to Present at the Nasdaq 33rd Investor Conference

Aspen Technology to Present at the Pacific Crest Emerging Technology Summit

Aspen Technology to Present at the Deutsche Bank 2011 Technology Conference

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

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

Aspen Technology to Present at the Deutsche Bank 2008 Technology Conference