LOS ANGELES, CA--(Marketwire - September 25, 2007) - ContentGuard Inc. today announced that Zinio, a leading digital publishing and distribution platform for magazines and books, has extended its agreement to license ContentGuard's Digital Rights Management software and patent portfolio. This license gives Zinio access to valuable software and intellectual property developed by ContentGuard, enabling Zinio to securely deliver digital content for their customers.

"Having the ability to deliver our clients' content securely is essential for Zinio," stated Rich Maggiotto, President and CEO. "The ContentGuard technology enables us to protect our clients content as it is distributed digitally to their subscribers."

"For the past five years, we have provided Zinio with access to technologies that has allowed them to deliver more than 75 million digital publications to readers on behalf of 250 publishers," stated Dr. Robert Logan, CEO, ContentGuard. "Zinio is an industry leader in enabling new business models for the digital distribution of content. We are pleased that they have chosen to continue to use ContentGuard's technology to grow their business," Logan added.

ABOUT CONTENTGUARD
ContentGuard develops and licenses the premier patent portfolio in digital rights management (DRM) technology. The Company's portfolio is comprised of over 160 issued patents and over 300 pending applications worldwide. ContentGuard has developed 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. ContentGuard's major shareholders are Microsoft Corporation, Thomson, and Time Warner, Inc. For more information about ContentGuard and its DRM technology please visit http://www.contentguard.com.

ABOUT ZINIO LLC
Zinio is the marketplace leader for digital publishing products and services. Zinio provides publishers with new circulation and revenue growth opportunities through easy, turnkey solutions and complete circulation, production and fulfillment services. Zinio's major publishing partners include Mariah Media, Hearst, IDG, McGraw-Hill, Primedia, Hachette Filipacchi, Playboy Enterprises, Rogers Publishing, Transcontinental Media, World Publications, and Ziff Davis. Zinio's technology and distribution partners include Acer, Adobe, Havas Media, IBM/Lenovo, M2 Media Group. Zinio has offices in San Francisco and New York with several franchisees worldwide. For more information, or to purchase any of the digital titles offered by Zinio, visit www.zinio.com, www.textbooks.zinio.com, or www.zinio.com/global for international publications.