ContentGuard Licenses Global Digital Rights Management Patents to Sharp for Mobile Handsets

EL SEGUNDO, CA -- (MARKET WIRE) -- 11/27/07 -- ContentGuard, a leading developer of digital rights management (DRM) technology, today announced a global patent licensing agreement with Sharp Corporation, the mobile device market share leader in Japan. Under the agreement, Sharp can develop, manufacture and market mobile handset devices capable of receiving and playing DRM-enabled content. Sharp's Mobile Network Operator customers will be able to provide DRM-enabled content to Sharp's mobile handset devices without a license from ContentGuard. ContentGuard technology enables the creation of new business models such as content rentals, content subscription, secure peer-to-peer distribution, secure delivery of content and variable pricing. "Network operators are working hard to create positive mobile consumer communications experiences as demand for portable digital content increases," said Robert Logan, CEO of ContentGuard. "We are extremely pleased that Sharp will use ContentGuard technology in its mobile devices to help advance its wireless digital content distribution and delivery. By enabling our DRM technology, Sharp will be able to better facilitate secure exchange of everything from music and video to sensitive documents via its mobile handsets and subsequently provide a seamless experience for its consumers." ABOUT CONTENTGUARD ContentGuard develops and licenses digital rights management (DRM) technology which enables the creation of strong digital business models and rich consumer-friendly services. The company's portfolio features more than 170 patents and over 300 pending applications worldwide. ContentGuard maintains strong relationships with companies that facilitate the seamless movement of digital content across devices, maintaining the rights of content owners and meeting the needs of consumers. Current licensees of ContentGuard DRM technology include Sony, Sony Ericsson, LG Electronics, Microsoft Corporation, Thomson, and Time Warner, Inc. For more information about ContentGuard and its DRM technology please visit Editorial Contact: Pam Golden Loder Golden Loder Associates 908-889-8300 x122