Aspen Technology to Present at the 11th Annual Needham Growth Stock Conference

Burlington, Mass. - 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 11th Annual Needham Growth Stock Conference, being held at the New York Palace Hotel in New York City.

Aspen Technology’s presentation will begin at 3:30 p.m. Eastern Time on Wednesday, January 7, 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).

About AspenTech

AspenTech is a leading supplier of software that optimizes process manufacturing - including oil and gas, petroleum, chemicals, pharmaceuticals and other industries that manufacture and produce products from a chemical process. With integrated aspenONE solutions, process manufacturers can implement best practices for optimizing their engineering, manufacturing and supply chain operations. As a result, AspenTech customers are better able to increase capacity, improve margins, reduce costs and become more energy efficient. To see how the world's leading process manufacturers rely on AspenTech to achieve their operational excellence goals, visit www.aspentech.com.