Aspen Technology to Present at Deutsche Bank 2009 Technology Conference

Burlington, MA - Aspen Technology, Inc. (OTC: AZPN.PK), a leading provider of software and services to the process industries, today announced its President and Chief Executive Officer, Mark Fusco, will present at the Deutsche Bank 2009 Technology Conference, being held at the Palace Hotel in San Francisco.

Aspen Technology’s presentation will begin at 8:35 a.m. Pacific Time (11:35 a.m. Eastern Time) on Wednesday, September 16, 2009, and a live audio webcast of the presentation will be available for a limited time in the Investor Relations section of the company’s website (www.aspentech.com).