SUNNYVALE, Calif. - October 24, 2001- Interwoven Inc. (NASDAQ: IWOV), the leading provider of Content Infrastructure today announced its support for Siebel Employee Relationship Management 7 (Siebel ERM 7), a revolutionary suite of applications that increases employee productivity, workforce training and skills, and streamlines the delivery of strategic information and performance management. Siebel ERM 7 is a key component of Siebel 7, the seventh major release of Siebel eBusiness Applications from Siebel Systems, Inc., (Nasdaq: SEBL), the world's leading provider of eBusiness applications software.

Interwoven and Siebel Systems have formed an alliance focused on providing joint customers with best-in-class eBusiness solutions. As a Siebel software partner, Interwoven plans to integrate its TeamSite 5.5 software with Siebel 7 and submit the integrated solution for validation within 90 days of general availability. Interwoven will integrate its Content Infrastructure product suite with Siebel ERM 7 and other Siebel eBusiness Applications such as Siebel eSales, Siebel Systems comprehensive out-of-the-box eCommerce application that enables organizations to leverage the Internet as a powerful selling channel, and Siebel eChannel, Siebel Systems enterprise-wide partner management platform.

"With Siebel ERM 7, customers get a best-in-class solution that leverages Siebel Systems' industry expertise and market-leading software applications to provide a single point of entry to a wide variety of information resources in a secure, personalized, self-service Web environment," said Frank Florence, senior vice president of business development for Interwoven. "By integrating Interwoven's Content Infrastructure with Siebel ERM 7, we will empower knowledge workers throughout the enterprise to manage and share information that is both relevant and up-to-date."

Interwoven's Content Infrastructure is based on an open, best-of breed architecture that provides customers with a broad range of functionality. Content Infrastructure includes intelligence to classify all assets with controlled vocabularies to ensure relevant and timely content. Collaboration is enhanced by letting team members contribute content on their own terms, whether its through email, Microsoft Office or any number of other easy to use content creation tools. At the same time, with built-in versioning and flexible task-based workflow, aggregation, routing and distribution of content remains tightly controlled.

"Siebel Systems and Interwoven are responding to the needs of global enterprises who recognize that effectively managing relationships with employees is critical to their success," said Catherine Cherubino, senior managing director, Alliances for Siebel Systems. "The tight integration of Interwoven's Content Infrastructure and Siebel ERM 7 will combine industry-proven solutions that, together, deliver comprehensive business information, foster a collaborative environment and ultimately, increase employee productivity."

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 Website at www.siebel.com .

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 indentification purposes only

Interwoven, Inc. (Nasdaq: IWOV) is the world's leading provider of Content Infrastructure software. Its content infrastructure product suite includes content aggregation, content collaboration, content management, content intelligence and content distribution. Its products are the de facto standard for more than 700 Global 2000 companies including British Airways, Cisco Systems, General Electric, General Motors and Philips. Interwoven teams with the leading best-of-breed eBusiness application providers to provide customers an end-to-end platform for eBusiness. For more information on Interwoven and its proven XML-based content infrastructure solutions, visit the Interwoven Website at www.interwoven.com.tw .