Release Details

Business Editors/Technology Editors

CAMBRIDGE, Mass.--(BUSINESS WIRE)--Oct. 24, 2006--Aspen Technology, Inc. (NASDAQ: AZPN), today announced that Atkins, a leading international design and engineering firm, has signed a new multi-year license agreement for the aspenONE Process Engineering application suite. The agreement provides Atkins with flexible access to a broad range of technologies, including the Aspen HYSYS and Aspen Plus process simulation and optimization platforms. The suite will help Atkins deliver high value design and engineering solutions to customers in a wide variety of process industries including oil and gas and power.

Atkins has been using AspenTech's engineering solutions for over 15 years, working with their clients to assess the transient performance of processes, test control systems, design and optimize plant and improve operational performance. The new agreement builds on this by providing Atkins consultants with access to an expanded selection of technologies, including new products such as Aspen Simulation Workbook(TM).

"Atkins serves clients across multiple industry sectors, helping them to overcome a range of different business and technical challenges," said Martin Grant, Oil & Gas Managing Director, Atkins. "The aspenONE Process Engineering application suite provides our consultants with a flexible toolset of best-in-class technologies which enables them to execute high value and innovative solutions for our clients."

The new agreement with Atkins has been structured to reflect the dynamic nature of the company's global business, using a flexible token-based system that enables users across Europe to take advantage of the full range of technologies. This allows the company to react quickly to project and business demand and to support the delivery of its services globally.

"The aspenONE Process Engineering application suite provides engineering companies with a powerful set of integrated technologies to drive value for their customers," said Blair Wheeler, Senior Vice President, AspenTech. "This new agreement will help Atkins support the growth in its business while providing its consultants with the critical engineering tools they need to deliver technology-based design solutions to its process industry clients."

License revenue from this project was recognized in the fiscal quarter ended June 30, 2006.

About Atkins

Atkins plans, designs and enables the delivery of complex capital programmes for clients in the public and private sectors across the globe. Atkins is the largest multi-disciplinary consultancy in Europe; the largest engineering consultancy in the UK; and the world's third largest design firm. For more information, visit www.atkinsglobal.com.

About AspenTech

Aspen Technology, Inc. provides industry-leading software and professional services that help process companies improve efficiency and profitability by enabling them to model, manage and control their operations. The new generation of integrated aspenONE(TM) solutions is aligned with the key industry business processes, providing manufacturers the capabilities they need to optimize operational performance, make real-time decisions and synchronize the plant and supply chain. Over 1,500 leading companies already rely on AspenTech's software, including Bayer, BASF, BP, Chevron Corporation, DuPont, ExxonMobil, Fluor, GlaxoSmithKline, Sanofi-Aventis, Shell and Total. For more information, visit www.aspentech.com.

AspenTech, aspenONE, Aspen HYSYS, Aspen Plus, Aspen Simulation Workbook and the aspen leaf logo are trademarks of Aspen Technology, Inc., Cambridge, Mass.

CONTACT: For Media:
Aspen Technology
Peter Watt, +44 1707 697126
peter.watt@aspentech.com
or
For Media:
Atkins Press Office
Richard Scrase and Ben Thompson, +44 1372 726140
info@atkinsglobal.com
or
For Investors:
Integrated Corporate Relations
Kori Doherty, 617-217-2084
kdoherty@icrinc.com
or
For Enquiries:
Atkins Oil & Gas
Martin Grant, +44 1224 620202
martin.grant@atkinsglobal.com

SOURCE: Aspen Technology