Aspen Technology Announces New Corporate Headquarters

October 3, 2007

New Burlington, Massachusetts Facility Will Improve Company's Ability to Meet Recruitment and Hiring Goals

BURLINGTON, Mass.--(BUSINESS WIRE)--Oct. 3, 2007--Aspen Technology, Inc. (NASDAQ: AZPN), a leading provider of software and services to the process industries, today announced that it is relocating its worldwide corporate headquarters from Cambridge, Massachusetts to Burlington, Massachusetts. The location of the new facility is designed to help the company meet its hiring and recruitment objectives.

"Our business required a newer and larger facility to accommodate our changing company needs," said Mark Fusco, CEO of AspenTech. "This new location and the benefits of a modern facility will assist us in recruiting the most talented employees and building and sustaining an operating structure that keeps pace with the growth and breadth of our business."

Contact information for AspenTech's new worldwide headquarters:

200 Wheeler Road

Burlington, Massachusetts 01803

USA

Phone: +1-781-221-6400

About AspenTech

AspenTech is a leading provider of award-winning process optimization software and services. AspenTech's integrated aspenONE solutions enable manufacturers to reduce costs, increase capacity, and optimize operational performance end-to-end throughout the engineering, plant operations, and supply chain management processes, resulting in millions of dollars in cost savings. For more information, visit www.aspentech.com.

(C) 2007 Aspen Technology, Inc. AspenTech, aspenONE and the Aspen leaf logo are trademarks of Aspen Technology, Inc. All rights reserved.

CONTACT: Aspen Technology, Inc.
AspenTech
David Grip, +1 781-221-5273
david.grip@aspentech.com
or
North America
Lois Paul & Partners (for AspenTech)
Michael Parker, +1 781-782-5714
aspentech@lpp.com

SOURCE: Aspen Technology, Inc.