BP, Dow Chemical, Fluor, Evonik Degussa and Other Leading Process Industry Customers to Share Best Practice Experiences

Anadarko Chairman, President and CEO James Hackett to Deliver Opening Keynote

Burlington, Mass. - Aspen Technology, Inc. (OTC: AZPN.PK), a leading provider of software and services to the process industries, today announced the 2009 AspenTech User Conference will be held May 4-7 in Houston. The theme of the conference – "Navigating Uncertainty" – highlights how AspenTech customers are using aspenONE to increase efficiency, reduce manufacturing costs and improve agility in the face of today’s volatile global economy.

• The AspenTech User Conference is the only event exclusively focused on best practices for using software to optimize process manufacturing. It brings together engineering and manufacturing professionals from the world’s leading process industry companies and across the AspenTech partner community.
• James Hackett will deliver the opening keynote at this year’s conference. Hackett is chairman, president and CEO of Anadarko, one of the largest independent oil and gas exploration and production companies in the world. Hackett also serves as chairman of the Federal Reserve Bank of Dallas.
• The 2009 AspenTech User Conference is being held at the Woodlands Waterway Marriott in Houston. To register or for more information visit AspenTech 2009 User Conference.

Supporting Resources:

To learn more:

• AspenTech 2009 User Conference
• aspenONE V7

Supporting Quote:

Blair Wheeler, Senior Vice President, Marketing, AspenTech
"Navigating these uncertain times profitably is a significant challenge for process manufacturers and puts even greater emphasis on the importance of achieving “best practice” operations. The 2009 AspenTech user group meeting is filled with case studies and examples of how the best companies are using advanced software tools to optimize their manufacturing operations in response to challenging and volatile market conditions."

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.