Aspen Technology Names Michele Triponey Senior Vice President, Global Customer Support and Training

October 19, 2005
Triponey brings extensive experience of delivering high quality IT customer support services for major international organizations

CAMBRIDGE, Mass.--(BUSINESS WIRE)--Oct. 19, 2005-- Aspen Technology, Inc. (Nasdaq: AZPN) today announced that Michele Triponey has joined the company's executive team as Senior Vice President, Global Customer Support and Training. Triponey will have responsibility for maintaining industry best practices throughout AspenTech's worldwide customer support and training business, focusing on quality of service and customer satisfaction.

Triponey brings to AspenTech an extensive background in delivering cost effective, high quality IT support services to major industrial, pharmaceutical and financial companies. Prior to joining AspenTech, Triponey was the Vice President for Information Technology Services at Ajilon Consulting and managed the Customer Support and Help Desk practice. In this capacity, she led an international team developing customer support strategies for major businesses, including planning and managing initiatives to provide increased service levels at reduced costs. Before joining Ajilon, she was responsible for system administration at Synertech, and gained further IT management experience in earlier positions with Keystone Medical Solutions and Bloomsburg University.

"Michele Triponey adds valuable new skills and experience to our senior management team," said Mark Fusco, President and CEO, AspenTech. "AspenTech is recognized for the industry knowledge and expertise of its customer support staff, and the company has won several recent awards for the quality of service we provide. Michele's experience will enable us to build on this strong foundation and ensure that we deliver cost effective services that maintain and improve satisfaction among our customers worldwide."

Triponey is a graduate of Clarion University in Pennsylvania and holds an MBA from Bloomsburg University.

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 are 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, ChevronTexaco, DuPont, ExxonMobil, Fluor, GlaxoSmithKline, Sanofi-Aventis, Shell, and Total. For more information, visit www.aspentech.com.

This press release may contain forward-looking statements for purposes of the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Actual results may vary significantly from AspenTech's expectations based on a number of risks and uncertainties, including, without limitation: AspenTech's plan to improve operational performance may not be implemented effectively; AspenTech has identified material weaknesses in its internal controls with respect to software license revenue recognition and other matters, that, if not remedied effectively, could result in material misstatements; risks around securities litigation and investigations; AspenTech's lengthy sales cycle makes it difficult to predict quarterly operating results; fluctuations in AspenTech's quarterly operating results; AspenTech's dependence on customers in the cyclical chemicals, petrochemicals and petroleum industries; the possibility of new accounting standards or the interpretation of existing accounting standards affecting our financial results; AspenTech's ability to raise additional capital as required; intense competition; AspenTech's need to develop and market products successfully; reliance on relationships with strategic partners; challenges associated with international operations; and other risk factors described from time to time in AspenTech's periodic reports filed with the Securities and Exchange Commission. AspenTech cannot guarantee any future results, levels of activity, performance, or achievements. AspenTech expressly disclaims any current intention to update forward-looking statements after the date of this press release.

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

CONTACT:
For Media:
Aspen Technology, Inc.
Marie Telepneff, 617-949-1324
marie.telepneff@aspentech.com