Siebel ePharma 7 and Siebel eClinical 7 Deliver Competitive Advantage to Pharmaceutical and Biotechnology Companies.

Business Editors/High-Tech Writers

SAN MATEO, Calif.--(BUSINESS WIRE)--March 26, 2002

Siebel Systems, Inc. (Nasdaq:SEBL)

Comprehensive Industry Functionality Enhances the

Effectiveness of Sales, Marketing, Service, and Clinical

Organizations at the Lowest Total Cost of Ownership

Siebel Systems, Inc. (Nasdaq:SEBL), the world's leading provider of eBusiness applications software, today announced new and enhanced functionality for Siebel ePharma 7 and Siebel eClinical 7. Reflecting Siebel Systems' proven domain, industry, and technology expertise, Siebel ePharma 7 and Siebel eClinical 7 provide depth and breadth of functionality in sales, marketing, clinical trials, service, and other customer-touching business processes tailored specifically for the pharmaceutical and biotechnology industries, resulting in faster deployments, high rates of end user adoption, and a rapid return on investment. Siebel Life Sciences applications have been selected by 19 of the top 20 global pharmaceutical industry leaders, including Aventis Pharma, Bayer AG, Boehringer Ingelheim International GmbH, Eli Lilly and Company, and GlaxoSmithKline Pharmaceuticals S.A. as their CRM standard.

Unparalleled Functionality Delivers Compelling Return on Investment

Siebel ePharma 7 and Siebel eClinical 7 launch out of the box with the industry's most comprehensive eBusiness functionality mapped to support the business processes of pharmaceutical, biotechnology, and clinical research companies. In addition to allowing companies to manage, synchronize, and coordinate all customer interactions across sales and service channels, Siebel ePharma 7 and Siebel eClinical 7 enable enterprises to gain a better understanding of customer behavior and optimize decision-making.

Siebel ePharma 7 enables sales representatives, marketing professionals, and medical affairs staff to maximize their effectiveness when communicating with physicians and other providers. The applications centralize customer information from various sources and provide an easy-to-use Web-based tool to analyze market data and measure the effectiveness of sales calls and promotional activities.

Siebel eClinical 7 helps pharmaceutical, biotechnology, and clinical research organizations accelerate their clinical trials by allowing them to better manage investigator relationships, optimize planning and execution of clinical trials, and track real-time clinical trial status.

Aventis Pharma, one of the world's leading pharmaceutical companies, has selected Siebel ePharma 7 for deployment to its U.S.-based sales force. "Competitive advantage in the pharmaceutical marketplace derives from a combination of superior products and efficient business practices," said Diane DeMarco, Vice President, Global IS, Commercial Operations, Aventis Pharma. "We believe that eBusiness technologies, including the latest generation of solutions from Siebel Systems, are prime tools through which we can achieve such efficiencies and establish market leadership."

Siebel ePharma 7 and Siebel eClinical 7 address the key business challenges faced by global pharmaceutical and biotechnology companies. Benefits of implementing Siebel ePharma 7 and Siebel eClinical 7 include:

-- Expedited Regulatory Compliance -- New functionality in Siebel ePharma 7 and
Siebel eClinical 7 facilitates compliance with PDMA and 21 CFR Part 11
regulations. A flexible, built-in audit trail engine enables customers to track
field-level changes in the application. Enhanced security features and improved
promotional sample tracking and reconciliation functionality further aid
customers with regulatory compliance.

-- Optimized Decision-Making through Advanced Analytics -- New Web-based
analytic and reporting capabilities of Siebel ePharma Analytics 7 provide
insights into physician prescribing behavior and the effectiveness of sales and
marketing activities. Highly interactive, prebuilt dashboards for Rx Sales,
Call Activity, and Return on Investment Analyses allow sales and marketing
managers to quickly assess market conditions and respond effectively.

-- Enhanced Global Clinical Trial Management -- Enhancements to Siebel
eClinical 7 allow clinical project managers and research associates to better
manage global trials by enabling them to capture and track clinical information
at multiple levels of the clinical trial hierarchy. Users can track studies at
region and country levels, making it easy to conduct global trials. Built-in
support for multiple languages, organizations, currencies, and global time
zones using universal time codes enable broad global deployments.

-- Efficient Tracking of Clinical Study Milestones and Budgets -- New
functionality in Siebel eClinical 7 empowers clinical teams to effectively plan
clinical trial projects, develop trial action plans, and track and control the
entire trial process. Project managers can closely monitor the project status
and benchmark it against performance milestones, critical events, and budgeted
costs. The robust assignment capability allows organizations to load balance
resources using various criteria based on their business requirements. Siebel
eClinical 7 also enables the project management team to manage tasks,
activities, and resources efficiently through integration with Microsoft
Project.

[pilcrow (paragraph sign)] Announcing the release of Siebel ePharma 7 and Siebel eClinical 7, Stephen Andrade, Vice President and General Manager, Siebel Life Sciences, said, "We thank our customers for participating in every step of Siebel ePharma 7 and Siebel eClinical 7 development. The input from some of the world's leading pharmaceutical and biotechnology companies combined with our deep knowledge of the pharmaceutical sales, marketing, clinical trials, and service processes has allowed us to develop the industry's most advanced and comprehensive suite of eBusiness applications. These applications will further extend our clear global market leadership."

Smart Web Architecture Enables Rapid Deployment and High User Acceptance

Siebel ePharma 7 and Siebel eClinical 7 were built on the foundation of the newly announced Siebel 7 platform. With the release of Siebel 7, Siebel Systems introduced the Siebel Smart Web Architecture, the industry's first and only zero-footprint Web architecture that provides high levels of interactivity previously available only from Windows desktop applications. Siebel 7 was built from the ground up to operate in heterogeneous environments and supports integration via an application network, allowing organizations to integrate not only front office and back office systems, but also hundreds of other applications essential to the pharmaceutical industry. By offering robust application network support, Siebel ePharma 7 and Siebel eClinical 7 ensure interoperability with the many applications within a pharmaceutical organization's systems environment, including homegrown legacy systems, industry-specific niche applications, and external applications for collaborating with partner systems.

Robust Analytical Capabilities Provide Customer and Business Insight

Siebel ePharma 7 and Siebel eClinical 7 are also shipping with Siebel Analytics 7, which includes visual, prepackaged, and fully configurable reports and interactive dashboards with best practice metrics for sales, marketing, service, partner management, and executive users. All Siebel Industry Applications deliver tailored and robust analytical and reporting capabilities that provide role-based analytics with insight into customer trends and overall business performance.

Automated Upgrade Path Provides Low Total Cost of Ownership

Siebel ePharma 7 and Siebel eClinical 7 offer a clear and easy upgrade path for customers, including automated upgrade functionality, resulting in reduced deployment times and the lowest total cost of ownership. Unlike other application software products, Siebel ePharma 7 and Siebel eClinical 7 allow existing customers to employ an automated process to upgrade to the latest version of the application by combining and merging customizations with new functionality on the enhanced platform.

Accenture, one of the world's leading management and technology consulting organizations, teamed with Siebel Systems in the development and deployment of Siebel eClinical 7. "We believe this new solution's ability to incorporate feedback from investigators will help industry leaders eliminate bottlenecks as they plan, manage, and track clinical trials. Ultimately, Siebel eClinical 7 will help bring new medicines to market more quickly," said Jon Lange, Partner, Accenture Pharmaceuticals and Medical Products industry group.

About Siebel Systems

Siebel Systems, Inc. is the world's leading provider of eBusiness applications software. Siebel Systems provides an integrated family of eBusiness applications software, enabling multichannel sales, marketing, and customer service systems to be deployed over the Web, in call centers, in the field, through reseller channels, and across retail and dealer networks. Siebel Systems' sales and service facilities are located in more than 32 countries. For more information, please visit Siebel Systems' Web site at www.siebel.com.

Except for the historical information contained herein, this press release contains forward-looking statements that involve risks and uncertainties. The success of the agreements and products described above and the 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 new versions and new products, the availability of Siebel Systems' products and services, implementation of products and services, existence of errors or defects in products, rapid technological change, dependence on the Internet, 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.

Note to Editors: 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.