Release Details

Senior management from the world's top chemical companies will offer advice on improving profitability through innovation in business processes and technology

CAMBRIDGE, Mass., Aug 1, 2002 /PRNewswire-FirstCall via COMTEX/ -- Aspen Technology, Inc. (Nasdaq: AZPN) today announced additions to its distinguished roster of chemical industry speakers at AspenWorld 2002, the process industry's leading conference taking place Oct. 27 through Nov. 1 in Washington, DC. They include Arnold Allemang, Executive Vice President and Director of The Dow Chemical Company, who will address the latest innovations driving value in the chemical industry. Jack Welch, the former Chairman and CEO of General Electric, will present the conference keynote address to 2,500 executives attending from over 50 countries.

(Photo: http://www.newscom.com/cgi-bin/prnh/20000811/ASPENLOGO )

AspenWorld 2002 will provide information on the industry topics of most concern to decision makers from the world's leading chemical companies, as well as covering key issues from the petroleum, pharmaceutical and other process industries. Speakers will address industry trends around the globe, successful technology initiatives and opportunities to maximize profit. Senior executives from the world's top chemical and petrochemical manufacturers will attend this year's event-including leaders of ATOFINA, Bayer AG, Celanese Chemicals, ChevronTexaco, Clariant Ltd., The Dow Chemical Company, DuPont Company, Huntsman Corporation, Mitsui Chemicals, Inc., Nova Chemicals Corporation, Rohm and Haas Company, and Sunoco.

"At AspenWorld 2002, chemical industry executives will learn how innovators are overcoming industry-specific challenges that affect their competitive positioning, ranging from emerging low-cost competitors to tightening environmental standards," said Larry Evans, Chairman and CEO of AspenTech. "AspenWorld will offer senior leadership new perspectives on how to improve profitability and deliver greater returns to shareholders through a renewed look at the performance of their entire value chain."

Panels in the chemicals session include a presentation by Dr. Martin Wienkenhoever, General Manager for the Basic and Fine Chemicals Business Group at Bayer AG, who will discuss "Plotting a Course to Integrate the Supply Chain with the Manufacturing Systems." His discussion will be one of several focused on moving beyond Enterprise Resource Planning (ERP), and integrating business processes throughout the organization.

Dr. Wienkenhoever's presentation is one of more than 400 presentations that will be given in approximately 80 sessions. Other chemical track presenters include:

    -- Christopher E. Gann, Business Vice-President, Olefins and Feedstocks,
       The Dow Chemical Company
    -- Warren Wilder, Sr. VP, Polyethylene/Styrene and Commercial Issues,
       Westlake Group
    -- Jerry Hale, VP & CIO e-Information Services, Eastman Chemical
    -- Gary Adams, President, CMAI
    -- Andy Chatha, President, ARC Advisory Group

More information on AspenWorld 2002 and its presenters is available at www.aspenworld2002.com.

About AspenTech

Aspen Technology, Inc. is a leading supplier of enterprise software to the process industries. AspenTech's industry solutions enable companies to maximize their profitability by running their manufacturing and supply chain operations more efficiently, and by increasing the returns from their plant assets. Over 1,200 leading companies already rely on AspenTech's 21 years of process industry experience to increase revenues, reduce costs and improve capital efficiency. AspenTech's customers include: Air Liquide, AstraZeneca, Bayer, BASF, BP, ChevronTexaco, Dow Chemical, DuPont, ExxonMobil, GlaxoSmithKline, Lyondell Equistar, Merck, Mitsubishi Chemical, Shell and Unilever. For more information, visit www.aspentech.com.

Certain paragraphs of this press release contain forward-looking statements for purposes of the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. For this purpose, any statement using the term "will," "should," "could," "anticipates," "believes" or a comparable term is a forward-looking statement. Actual results may vary significantly from AspenTech's expectations based on a number of risks and uncertainties, including: AspenTech's lengthy sales cycle which 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; AspenTech's need to hire additional qualified personnel and its dependence on key current employees; intense competition; AspenTech's dependence on systems integrators and other strategic partners; changes in the market for e-business solutions for AspenTech's customers; increased governmental regulation and taxation of e-commerce and the Internet; information security and privacy concerns relating to e-commerce; and other risk factors described from time to time in AspenTech's periodic reports and registration statements filed with the Securities and Exchange Commission. AspenTech cannot guarantee any future results, levels of activity, performance, or achievements. Moreover, neither AspenTech nor anyone else assumes responsibility for the accuracy and completeness of any forward-looking statements. AspenTech undertakes no obligation to update any of the forward-looking statements after the date of this press release.

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

Contacts: For Media: Peter Watt Carin Warner Aspen Technology, Inc. Warner Communications +44 1223 819-752 (978) 526-1960 peter.watt@aspentech.com carin@warnerpr.com

For Investors: Joshua Young Aspen Technology, Inc. (617) 949-1274 joshua.young@aspentech.com

SOURCE Aspen Technology, Inc.

CONTACT: Media: Peter Watt of Aspen Technology, Inc., +44 1223 819-752, peter.watt@aspentech.com; or Carin Warner of Warner Communications, +1-978- 526-1960, carin@warnerpr.com; or Investors: Joshua Young of Aspen Technology, Inc., +1-617-949-1274, joshua.young@aspentech.com

URL: http://www.aspenworld2002.com