Aspen Technology, Inc. (NASDAQ: AZPN), a leading provider of software and services to the process industries, today announced that it will host an Investor Day on Monday, May 23, 2011 at the  Gaylord National Hotel & Convention Center in Washington, D.C. in conjunction with its OPTIMIZE™ 2011 Global Conference.   

The AspenTech Investor Day presentation will begin at approximately 1:00 p.m. Eastern Time, and is expected to conclude at approximately 4:00 p.m. Eastern Time.  AspenTech executives presenting at the event will include Mark Fusco, President and Chief Executive Officer; Mark Sullivan, Chief Financial Officer; and Manolis Kotzabasakis, Executive Vice President, Products.

The management team will discuss the Company’s financial and operational performance, key corporate strategies, the addressable market opportunity, and the Company’s business outlook.

The presentation will be webcast live and available for a limited time on the Investor Relations section of the Company’s website at www.aspentech.com.   

About AspenTech 

AspenTech is a leading supplier of software that optimizes process manufacturing - for energy, chemicals, pharmaceuticals, engineering and construction, 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.