, to provide a fully managed
hosting solution for Ektron's content management (CMS) customers. The hosted model delivers not
only the optimal security, redundancy and availability of Tier 1
hosted software but the ability to purchase such mission critical
solutions like Ektron 's CMS on a monthly subscription basis. For our hosted and managed customers,
our team develops, delivers and maintains tailored solutions
successfully deployed across our customers' enterprise: serving their
corporate users, customers and stakeholders. (NASDAQ: SEBL), the leading provider of customer -facing
solutions, today announced that Cory Wiegert, Group Director, Service
Analytics Applications , Siebel Systems, will be participating in a
breakout session at Genesys G-Force 2005 titled, "Drive Exceptional
Customer Experience with Actionable Insight," at 12:25 p.com/call-center; Sales Force Automation -
http://www.

siebel tws

This
partnership enables Ektron's customers to benefit from the power and
value of best-in-class content management solutions in a managed,
hosted environment.2 billion by 2009.

genesys outsources

siebel.

acs analytics

Nacio Systems Partners With Ektron To Deliver Hosting Solution For CMS Customers

Business Editors/High-Tech Writers

NOVATO, Calif."

About Ektron

Ektron provides Web content management software and editor tools
that make it easy for anyone to author , manage and publish HTML and
XML content for Web sites, intranets and Web applications.5 billion was spent
by U. Application Management Services
2005-2009 Forecast (IDC #33221), presents the annual update to the
five-year forecast for the worldwide and U. market for application
management services.com
For more information on Siebel Systems solutions and services,
please visit our Web site: CRM - http://www.siebel.
Siebel is a trademark of Siebel Systems, Inc.

isogen efficiencies

, a California-based Tier 1 hosting service provider today
announced a partnership with Ektron, Inc. "We've long recognized the leading market
position and the extremely high value of the Ektron product line of
solutions . Founded in 1998, Ektron is based in Amherst, NH, and has
offices in Europe.siebel.

predictive nearshore

For many IT purchase decision makers, this means they can avoid
the budgeting and expenditure challenges typically associated with
acquiring these solutions through the more traditional capital asset
purchase process. Nacio hosts, manages
and maintains these customer assets at its secure, high-availability
Tier 1 hosting center in Northern California -- reducing costs,
mitigating failure and increasing reliability. application management services market continues to grow
and leads in regional spending . Future outlooks and essential guidance are offered
for application management services vendors.

S. Together with its extensive global network of
alliance partners, Siebel provides the people, process , and technology
expertise critical in driving business value from the deployment of
customer-facing solutions.

predictive outsourced

9 billion was spent worldwide on
application management (AM) services in 2004.com/business -intelligence; Integration Solutions -
http://www.com/crm-services

Except for the historical information contained herein, this press
release contains forward-looking statements that involve risk or
uncertainties.

efficiencies bisys

Pacific
Time/3:25 p. Eastern Time, on Tuesday, May 24, 2005, in Miami,
Florida. or 1-210-839-8994 from outside the
U.

ruback efficiencies

"This model allows customers to leverage the
power of Ektron's content management solutions across their regional
and global networks with a secure , high-availability Tier 1 hosting
provider. Our
browser-based solutions, used in more than 13 ,000 integrations
worldwide, include the Ektron CMS family, the eWebEditPro and
eWebEditPro+XML editors and WebImageFX, our easy-to-use image editor.

Business Editors

FRAMINGHAM, Mass . This
critical combination of both low-cost operational capabilities and
high-value services offerings are crucial elements for vendors to help
their customers create truly dynamic IT organizations, and will drive
further growth in the application management services market.S.idc.siebel.siebel.com/marketing -automation; Business Intelligence -
http://www.

genesys outsourcing

The match-up also fits extremely well with our new "Via"
product/service line -- Ektron-via-Nacio is the first of what will be
many Nacio-hosted product solutions that will allow businesses to
benefit from the power and value of best-in-class solutions in a
managed, hosted environment.com

About Nacio

Nacio delivers hosted IT solutions to corporate customers,
supporting their business with outsourced e-commerce, content
management , document management, digital publishing, network software
auditing and customer relationship management .
"The worldwide application management services market is healthy
and growing rapidly," said Barry Mason, senior analyst, Application
Outsourcing and Offshore services at IDC.

com/sales -force-automation; Marketing Automation -
http://www. Siebel Systems assumes no obligation to update the
information in this press release.

sourcing analytics

----Nacio Systems
Inc."
By partnering with Nacio, Ektron will be able to offer its
customers the extraordinary value and high-functionality of the Ektron
CMS product line in an ASP-environment. Their eWebEditPro tool and CMS packages are already an
important part of the toolkit within our interactive solutions group.m.S. and may be
registered in certain jurisdictions.

nearshore advises

Nacio's hosted
application services allow companies to remain focused on their core
business by providing cost-effective, low-maintenance ways to develop
websites, produce online campaigns, publish digital content, manage
data and documents, and increase operational efficiencies .
A live audio broadcast of the panel can be accessed by calling
1-888-889-4955 from inside the U.siebel.siebel.

philis predictive

Nacio's Professional Services and Application Development groups
provide custom services and solutions to both Nacio hosted as well as
independent business customers.----According to a
recent IDC study, approximately $17.8 billion by 2009 at a
6. Business executives and IT managers
have relied for 40 years on our advice to make decisions that
contribute to the success of their organizations. Siebel solutions are
tailored to the unique needs of 23 industries and incorporate
industry-specific business processes, best practices, and business
insight.com; Industry CRM -
http://www.com/industry-crm; Call Center and Service -
http://www.

tws sourcing

This study finds that offshore
labor sourcing and high-end transformational services will be critical
offerings for successful application management services vendors.S.
IDC is a subsidiary of IDG, the world's leading technology media,
research, and events company.

outsources optimizes

"
The U. customers on discrete application management services in 2004,
and this amount is expected to increase to $11.
Over 700 IDC analysts in 50 countries provide local expertise and
insights on technology markets.

Siebel Systems to Participate at Genesys G-Force 2005

sec.

optimizes genesys

S.siebel. Further information on
potential factors that could affect the financial results of Siebel
Systems are included in Siebel Systems' Annual Report on Form 10-K,
Quarterly Reports on Form 10-Q and its other filings with the
Securities and Exchange Commission, which are available at
www.

ubix bea

To purchase this document, call IDC's Sales hotline at
508-988-7988 or email sales@idc. We
analyze and predict technology trends so that our clients can make
strategic, fact -based decisions on IT purchases and business strategy. They are the product of more than $2 billion in R+D
investments and reflect over 11 years of experience with more than
4,000 organizations .siebel.

onshore genesys

Additional information can be found at
www.
An archive audio broadcast of the presentation will be available
at https://www.

Sites that provide outsourcing information technology services related to management.

bisys onshore

Ektron is redefining Web content management with highly affordable
solutions that integrate easily, are flexible and grow with any
organization. For more information, visit www.siebel .

ubix genesys

"The ASP-model is an all-around win for our current and future
shared customers with Ektron, " said Nacio's Vice President for Client
Services, Thom Kennon. "Customers are seeking
vendors with global sourcing capabilities and diverse offerings that
span everything from basic application maintenance services to
transformational services such as legacy modernization, service
oriented architectures (SOA), and portfolio rationalization.gov.

optimizes bea

Learn more about Ektron at www.

The Application Management Services Market Heads for Growth in 2005 IDC Finds

Due to a strong surge in
demand for application management services, the worldwide market is
expected to grow at an overall compound annual growth rate (CAGR) of
9. Approximately $8.com

All product and company names may be trademarks or registered
trademarks of their respective holders.

Business Editors/High-Tech Editors

SAN MATEO, Calif.----Siebel Systems,
Inc. Future operating results of Siebel Systems may differ
from the results discussed or forecasted in the forward-looking
statements due to factors that include, but are not limited to, risks
associated with customer relations, such as the availability of Siebel
Systems' products and services, customer implementation of products
and services, relationships with customers, third-party vendors and
systems integrators, concentration of revenues in a relatively small
number of customers, existence of errors or defects in products,
ability to successfully manage growth, significant current and
expected additional competition and the need to continue to expand
product distribution and services offerings.

analytics tws

"The goal of this alliance is to deliver our customers a fully
managed hosting solution that provides a secure and stable environment
for Ektron CMS enabled Web applications," said Bill Rogers, founder
and CEO, Ektron, Inc.

2% and reach $27.S. The audio passcode is 6988523 and the leader's name is Christine
Viera. Siebel's multichannel offerings allow
organizations to intelligently manage and coordinate all customer
interactions across the Web, contact center, field sales/service
force, branch/retail network, and indirect and partner distribution
channels.

analytics vana

ektron.9% CAGR. The document identifies and quantifies the impact
of recent trends and events influencing the application management
services opportunity through year -end 2004 and their impact on the
five-year forecast.m. Over 3 million users worldwide in
organizations of all sizes depend on Siebel solutions to deliver
dramatic improvements in how they identify, acquire , retain, and serve
customers.com/integration-solutions; CRM Services -
http://www.

optimizes onshore

This IDC study, Worldwide and U.com

About IDC

IDC is the premier global market intelligence and advisory firm in
the information technology and telecommunications industries.com/crm; OnDemand
Solutions - http://www. All other product and company
names mentioned are the property of their respective owners and are
mentioned for identification purposes only.

tws midrange

The Nacio model affords
companies the cost-efficiencies and operational advantages of
out-sourcing the installation, maintenance, management and support of
critical IT applications to a trusted partner. The Europe, Middle East, and Africa region (EMEA) as well
as Asia/Pacific are also expected to grow during this forecast period,
however; the growth rate of the Asia/Pacific region will continue to
increase throughout the forecast period , while both the Americas and
EMEA will experience declining growth rates beyond 2007 as those
markets mature.com/keynotes

About Siebel Systems

Siebel Systems is the world's leading provider of customer-facing
solutions that deliver demonstrable business results and long-term
competitive advantage. Siebel solutions draw upon the company's best-in-class
capabilities in customer relationship management (CRM), business
intelligence, and customer data integration and can be deployed as
licensed software or as a hosted service.crmondemand.