Aspen Technology, Inc. (NASDAQ: AZPN), a leading provider of software and services to the process industries,today announced that it will release financial results for its fourth-quarter fiscal 2011, ended June 30, 2011, after the U.S. financial markets close on Tuesday, August 23, 2011.   

In conjunction with this announcement, AspenTech will host a conference call and webcast on August 23, 2011, at 4:30 p.m. (Eastern Time) to discuss the company's financial results, business outlook, and related corporate and financial matters. 

The live dial-in number is (877) 245-0126, conference ID code 83352271. Interested parties may also listen to a live webcast of the call by logging on to the Investor Relations section of AspenTech’s website, http://www.aspentech.com/corporate/investor.cfm, and clicking on the “webcast” link. A replay of the call will be archived on AspenTech’s website and will also be available via telephone at (855) 859-2056 or (404) 537-3406, conference ID code 83352271, through August 30, 2011.

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.