Siebel Systems Chairman to Participate at Software Developer's Founders Forum

Business Wire, Feb 11, 2005

SAN MATEO, Calif. -- Siebel Systems, Inc. (NASDAQ:SEBL), a leading provider of business applications software, today announced that Thomas M. Siebel, Chairman, Siebel Systems, will present at the Software Developer's Founders Forum at 7:00 p.m. Pacific Time/10:00 p.m. Eastern Time, on February 15, 2005, in Santa Clara, California.

A live audio broadcast of the keynote can be accessed by calling 1-888-889-1954 from inside the U.S. or 1-517-308-9003 from outside the U.S. The audio passcode is SD FORUM.

An archive audio broadcast of the keynote will be available by calling 1-888-562-4915 from inside the U.S. or 1-402-530-7672 from outside the U.S. The audio passcode for the replay is also SD FORUM.

About Siebel Systems

Siebel Systems, Inc. is a leading provider of business applications software, enabling corporations to sell to, market to, and serve customers across multiple channels and lines of business. With more than 4,000 customer deployments worldwide, Siebel Systems provides organizations with a proven set of industry-specific best practices, CRM applications, market-leading analytics products, and business processes, empowering them to consistently deliver superior customer experiences and establish more profitable customer relationships. Siebel Systems' sales and service facilities are located in more than 30 countries.

For more information on Siebel Systems solutions and services, please visit our Web site: CRM -- http://www.siebel.com/crm; OnDemand Solutions -- http://www.crmondemand.com; Industry CRM -- http://www.siebel.com/industry-crm; Call Center and Service -- http://www.siebel.com/call-center; Sales Force Automation -- http://www.siebel.com/sales-force-automation; Marketing Automation -- http://www.siebel.com/marketing-automation; Business Intelligence -- http://www.siebel.com/business-intelligence; Integration Solutions -- http://www.siebel.com/integration-solutions; CRM Services -- http://www.siebel.com/crm-services.> Except for the historical information contained herein, this press release contains forward-looking statements that involve risk or uncertainties. 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. 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.sec.gov. Siebel Systems assumes no obligation to update the information in this press release.

Siebel is a trademark of Siebel Systems, Inc. and may be registered in certain jurisdictions. All other product and company names mentioned are the property of their respective owners and are mentioned for identification purposes only.