InterTrust Substantially Broadens Lawsuit Against Microsoft

SANTA CLARA, Calif., June 24, 2002 -- InterTrust Technologies Corporation (Nasdaq: ITRU) today announced that it is further substantially broadening its patent infringement lawsuit against Microsoft Corporation (Nasdaq: MSFT). In accordance with a schedule agreed to by the parties, InterTrust served on Microsoft infringement allegations that add four new patents and more than doubles the number of new claims to the litigation, bringing the totals to 11 patents, 144 claims and over 190 separate infringement scenarios.

Since initially suing Microsoft for patent infringement in April 2001, InterTrust has expanded the lawsuit by adding numerous significant Microsoft products and services that use InterTrust's patented innovations in basic infrastructure for trusted computing and digital rights management. InterTrust is now seeking an injunction against the following Microsoft products, among others: Windows XP, Office XP, Microsoft .NET, a number of Microsoft .NET-based products and services, Windows Media Player, new embedded products such as Windows CE for automotive, XBOX, and aspects of Microsoft's ActiveX technology. InterTrust is also seeking compensatory and punitive damages for Microsoft's acts of infringement.

About InterTrust Technologies Corporation

InterTrust develops and licenses intellectual property for DRM and trusted computing. The Company holds 24 U.S. patents and has approximately 90 patent applications pending world wide. InterTrust's patent portfolio covers software and hardware techniques that can be implemented in a broad range of products that use DRM and trusted computing technologies, including digital media platforms and web services. InterTrust has research, engineering, and IP groups focus on developing and monetizing next-generation technologies and inventions.

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The statements contained in this release that are not purely historical are forward-looking statements within the meaning of Section 21E of the Securities and Exchange Act of 1934, including statements regarding InterTrust's expectations, beliefs, hopes, intentions or strategies regarding the future including statements regarding future royalties to be received by InterTrust. There is no assurance that InterTrust's claims regarding its intellectual and invention rights will be upheld. Further information regarding these and other risks are included in the company's Form 10-K for the year ended March 31 2002 and other filings that have been made with the Securities and Exchange Commission. The statements in this release regarding InterTrust's patents are intended for purposes of illustration only, and are not meant to cover or describe all possible applications, variations, or interpretations of the patented inventions. Nothing contained in this release is intended for use in construing the scope, content, or meaning of the patent's claims, specification, or of any other patent-related materials.