Siebel Systems, CarsDirect, Hyundai, Forrester Research, and IBM to Participate in Audiocast Press Conference on May 23, 2005, to Discuss Automotive CRM

SAN MATEO, Calif.--May 20, 2005--Siebel Systems, Inc. , the leading provider of customer-facing solutions, today announced that John Gray, General Manager of Siebel Automotive; Debra Domeyer, Chief Technology Officer of CarsDirect Inc.; Paul Whitworth, National CRM Manager, Hyundai Motor America; Mark Bunger, Principal Analyst, Automotive, Forrester Research; and Tobin Alexander, Associate Partner, IBM Business Consulting Services, IBM, will participate in an audiocast press conference hosted by Thought Leadership Summits, Inc., on May 2, 20053, 2005, at 10:00 a.m. Pacific Time/1:00 p.m. Eastern Time. These individuals will highlight key trends for customer-facing solutions and practices in the automotive industry.

Participants can access the press conference "live" by dialing 1-877-546-1567; LEADER: Kortney Oliver; PASSCODE: Siebel Automotive. An audio replay will be available after the live press conference at https://www.mymeetings.com; CONFERENCE NUMBER: 7451283; PASSCODE: Siebel Automotive.

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'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. 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. Siebel solutions are tailored to the unique needs of 23 industries and incorporate industry-specific business processes, best practices, and business insight. 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. 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. 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. For more information, visit www.siebel.com.

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 & 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.