Leading North American Energy Company Upgrades to aspenONE V7

AspenTech Helps Customer Integrate Engineering with Operations to Achieve
Operational Excellence Objectives
BURLINGTON, Mass.--(Business Wire)--
Aspen Technology, Inc. (OTC: AZPN.PK), a leading provider of software and
services to the process industries, today announced that EPCO, Inc., has
upgraded to aspenONE V7.

* EPCO, a leading North American provider of midstream energy services to
producers and consumers of natural gas, crude oil, natural gas liquids and
petrochemicals, is adopting the aspenONE V7 Engineering suite to better align
engineering and operations processes in support of its operational excellence
objectives.
* EPCO, Inc. chose aspenONE V7 to support the company`s growth strategy, lower
operating costs, improve efficiency and productivity, and decrease energy
consumption.
* EPCO was drawn to several new innovations in aspenONE V7, including advanced
cost estimation, which enables engineers to determine the feasibility of capital
projects and business opportunities during conceptual design.
* EPCO will also use the Aspen Simulation Workbook within aspenONE V7, which
brings the benefits of aspenONE to a wider range of users throughout the company
via a user-friendly Microsoft Excel interface.
* AspenTech`s token-based licensing model helps EPCO better meet their changing
business needs by providing the flexibility to use the right software at the
right time.

Supporting Quotes:

Kevin Bodenhamer, Vice President of Engineering, EPCO, Inc.

"With our commitment to growing the partnership`s comprehensive network of
midstream assets, we are always looking for new ways to manage our increased
capacity, new greenfield opportunities, and current debottlenecking challenges.
AspenTech`s solutions have played an important role in modeling, optimization,
and new projects within our engineering organization for the past few years.
We`re excited to implement aspenONE V7 and look forward to utilizing its many
new engineering and usability innovations, as well as the unique token-based
licensing model. The new system will improve our ability to successfully
navigate the turbulent economy by rapidly addressing changing business demands
from using the right software at the right time, while optimizing the value of
our IT investments."

Blair Wheeler, Senior Vice President, Marketing, AspenTech

"EPCO is a great example of how leading energy companies are taking advantage of
AspenTech process optimization across both engineering and operations. Using
aspenONE V7, EPCO can implement engineering best practices to lower their costs,
increase productivity, and improve visibility into operations."

Supporting Resources:

Links to more information:

* About aspenONE Engineering solutions
* About aspenONE V7
* What the Industry is Saying about aspenONE V7

About Enterprise Products Partners L.P.

EPCO, Inc. is one of the largest publicly traded partnerships and is a leading
North American provider of midstream energy services to producers and consumers
of natural gas, NGLs, crude oil and petrochemicals. EPCO transports natural gas,
NGLs, crude oil and petrochemicals through more than 46,000 miles of onshore and
offshore pipelines. Services include natural gas transportation, gathering,
processing and storage; NGL fractionation (or separation), transportation,
storage, and import and export terminaling; crude oil transportation and
offshore production platform services. For more information on EPCO, Inc., visit
www.epco.com.

About AspenTech

AspenTech is a leading supplier of software that optimizes process manufacturing
- including oil and gas, petroleum, chemicals, pharmaceuticals and other
industries that manufacture and produce products from a chemical process. With
integrated aspenONE solutions, process manufacturers can implement best
practices for optimizing their engineering, manufacturing and supply chain
operations. As a result, AspenTech customers are better able to increase
capacity, improve margins, reduce costs and become more energy efficient. To see
how the world`s leading process manufacturers rely on AspenTech to achieve their
operational excellence goals, visit www.aspentech.com.

© 2009 Aspen Technology, Inc. AspenTech, aspenONE, the Aspen leaf logo and the 7
Best Practices of Engineering Excellence are trademarks of Aspen Technology,
Inc. All rights reserved. All other trademarks are property of their respective
owners.

Aspen Technology, Inc.
AspenTech
Erik Mason, +1 781-221-8386
erik.mason@aspentech.com
or
North America
Lois Paul & Partners (for AspenTech)
Michael Parker, +1 781-782-5714
aspentech@lpp.com

Copyright Business Wire 2009