Aspen Technology Announces Date of Third-Quarter Fiscal 2012
Financial Results Release, Conference Call and Webcast

April 19, 2012

BURLINGTON, Mass., Apr 19, 2012 (BUSINESS WIRE) --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 third-quarter fiscal 2012, ended March 31, 2012, after the U.S. financial markets close on Tuesday, May 1, 2012.

In conjunction with this announcement, AspenTech will host a conference call and webcast on May 1, 2012, 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 70103052. 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 70103052, through May 8, 2012.

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.

(C) 2012 Aspen Technology, Inc. AspenTech, aspenONE, the Aspen leaf logo, OPTIMIZE, and the 7 Best Practices of Engineering Excellence are trademarks of Aspen Technology, Inc. All rights reserved. All other trademarks are property of their respective owners.

SOURCE: Aspen Technology, Inc.

Media Contact
AspenTech
David Grip, +1 781-221-5273
david.grip@aspentech.com
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Investor Contact
ICR
Brian Denyeau, +1 646-277-1251
brian.denyeau@icrinc.com