Compuware Supports Siebel 7

Compuware QACenter and PointForward Ensure Reliability, Production Readiness of Siebel 7

CHICAGO -- October 1, 2001 -- Compuware (Nasdaq: CPWR), the leading provider of application life cycle software and services, today announced its support for Siebel 7, the seventh major release of Siebel eBusiness Applications from Siebel Systems Inc., (Nasdaq: SEBL). Siebel Systems is the world's leading provider of eBusiness applications software. Compuware will submit its QACenter Performance and Enterprise Edition software solutions for validation within 90 days of the general availability of Siebel 7. This combination of software will provide organizations with complete eBusiness solutions that increase productivity, maximize revenue and profit, and significantly enhance customer acquisition, satisfaction and retention. Compuware's PointForward will provide remote application monitoring services for Siebel Systems' customers.

Siebel Systems enables software vendors to easily integrate solutions through its open, extensible, advanced Smart Web Architecture. Unlike unintelligent HTML clients, Siebel Smart Web Architecture combines a zero-footprint, browser-based Web client and a user interface with levels of interactivity and usability traditionally available only in Windows applications. The Siebel Smart Web Architecture enables organizations to leverage the industry's best eBusiness applications at the lowest total cost of ownership.

Siebel 7 extends the reach and functionality of Siebel Systems' industry-leading suite of integrated, multichannel eBusiness applications, enabling organizations to translate customer relationship strategy into execution by effectively aligning and rapidly integrating channels, employees and partners. Siebel 7 allows organizations to manage, synchronize and coordinate all customer touch points across the Web, call center, field sales and service personnel, and partner channels.

Compuware and Siebel Systems are committed to ensuring reliable and scalable deployment for Siebel Systems' customers implementing version 7. Compuware's QACenter Enterprise Edition for functional testing and QACenter Performance Edition for performance testing address the important aspects of application quality, reliability and scalability. PointForward, Compuware's hosted solution, will provide customers with the convenience and flexibility of outsourcing their monitoring requirements. Compuware also has a significant number of experienced service professionals to help companies with any Siebel 7 need, providing customers with confidence in the performance of their Siebel eBusiness Applications.

"Siebel 7 has a powerful and comprehensive e-business vision for enterprise corporations," said Kevin Cowsill, Senior Vice President, Technology, Compuware Corporation. "Siebel 7 further establishes Siebel Systems as a leader in customer relationship management solutions enabling enterprises to reduce cost of ownership and maximize return on investment."

Compuware delivers the people and software to enable enterprises to deploy highly reliable and scalable e-business applications. By supporting Siebel 7, Compuware's QACenter and PointForward software testing and monitoring solutions will enable enterprises to rapidly respond to market changes, increase customer loyalty and increase their competitive position.

"Compuware is uniquely positioned to enable enterprises to more confidently migrate to Siebel 7," said Catherine Cherubino, Senior Managing Director, Software and Industry Alliances, for Siebel Systems. "The depth and breadth of Compuware's life cycle solutions gives Siebel Systems' customers the confidence they need to deploy highly reliable and scalable Siebel eBusiness Applications."

Compuware Corporation

With fiscal 2001 revenues of more than $2 billion, Compuware Corporation provides business value through software and professional services that optimize productivity and reduce costs across the application life cycle. Meeting the rapidly changing needs of businesses of all sizes, Compuware's market-leading solutions improve the quality, ease the integration and enhance the performance of distributed, e-business and enterprise software. Compuware employs approximately 13,000 information technology professionals worldwide. For more information about Compuware, please contact the corporate offices at 800-521-9353. You may also visit Compuware on the World Wide Web at http://www.compuware.com.

Siebel Systems

Siebel Systems, Inc. (Nasdaq: SEBL) 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, call centers, field, reseller channels, retail, and dealer networks. Siebel Systems' sales and service facilities are located in more than 37 countries. For more information, please visit Siebel Systems' Web site at www.siebel.com.