Release Details

CAMBRIDGE, Mass.--(BUSINESS WIRE)--June 13, 2006-- Aspen PIMS-GO Solution Wins Top Honor at 3rd Annual Awards Ceremony Honoring Innovative Technology Advancements

Aspen Technology, Inc. (NASDAQ: AZPN) has been selected as a winner in the category of Performance Management and Analytics for the 2006 MITX Technology Awards. The MITX Technology Awards, produced by the Massachusetts Innovation & Technology Exchange, recognize innovative technologies developed in the New England area, as well as the individuals and organizations responsible for driving these advancements. Honorees for this year's awards were announced June 7th in a ceremony at The Four Season's Hotel in Boston.

AspenTech won the award for Aspen PIMS-GO (Process Industry Modeling System - Global Optimization), the first commercially available global optimization capability designed to determine the global optimum for large-scale non-linear planning problems in the Petrochemical and Refining industries. Built on the state-of-the-art Aspen PIMS-XNLP platform, Aspen PIMS-GO technology utilizes the latest algorithmic procedures - developed in collaboration with the world's leading academic researchers -- to solve large-scale global optimization problems in Aspen PIMS(TM), AspenTech's flexible productivity tool for economic planning in the process industries. Results can yield gross margins that exceed those determined by the original model by as much as 3% of feedstock costs.

For more information on the award, including commentary from AspenTech and MITX executives, please visit http://www.aspentech.com/publication_files/pr-06-13-2006.pdf.

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. AspenTech's 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, Chevron Corporation, DuPont, ExxonMobil, Fluor, GlaxoSmithKline, Sanofi-Aventis, Shell, and Total. For more information, visit www.aspentech.com.

About MITX

Established in 1996, MITX--the Massachusetts Innovation & Technology Exchange (MITX: "my-techs") is a community--a constantly expanding business network--where technology, marketing and digital media intersect. Reaching more than 6,000 professionals in New England, MITX offers targeted benefits and growth opportunities designed to meet the unique requirements of its member audiences. MITX is the region's premier association for thought leadership, technology trends, building business relationships and professional training and development. Members of the MITX community take advantage of events, sponsorships, speaking opportunities and networking to make profitable business connections, obtain competitive intelligence, and exchange innovative leadership, management and technical concepts. MITX is headquartered in Cambridge. For more information please go to www.mitx.org

CONTACT: For Media:
Aspen Technology, Inc.
Marie Telepneff, 617-949-1324
marie.teleneff@aspentech.com or
MITX
Sara Fraim, 617-871-2155 x203
sara@mitx.org
SOURCE: Aspen Technology, Inc.