Roxio Signs Publishing Agreement with STOPzilla

Roxio's Retail Expertise Unlocks North American Distribution Channels for Leading Anti-Spyware Developer

Santa Clara, California - (September 7, 2004) - Roxio®, a division of Sonic Solutions® (NASDAQ: SNIC), the leader in digital media software, announced today that it has entered into a publishing agreement to market STOPzilla, a premier anti-spyware application. Under the terms of the agreement, Roxio will use its established sales and marketing organization, multi-channel distribution experience, and expertise in selling to the mass consumer to increase brand awareness and maximize the sales potential of STOPzilla.

"STOPzilla epitomizes the characteristics we were looking for in a potential partner," said Scott Berlin, Vice President, Worldwide Sales and Marketing, Roxio. "STOPzilla has clear competitive advantages, is exceptionally easy to use, competes in a high-growth category, and has proven its viability with a solid record of online sales. Our partnership enables STOPzilla to broaden its reach and capitalize on a new market opportunity at retail, while providing Roxio with the ability to increase revenue by leveraging existing relationships and infrastructure."

STOPzilla's award winning technology takes an innovative, real-time approach to protecting Internet users" privacy and insulating them from the inconvenient, invasive and often harmful results of spyware and adware. STOPzilla is the only solution on the market that uses advanced suppression technology rather than extraction to effectively quarantine and neutralize adware , stop popups and counteract spyware monitoring tools designed to record Internet activity and behavior.

"With spyware and adware threats reaching epidemic proportions, now is the perfect time for the retail launch of STOPzilla," said Robert Deignan, Business Development Director, STOPzilla. “In Roxio, we have a single point of entry into multiple markets and a partner with the channel knowledge, relationships, and marketing acumen to further STOPzilla's success."

About Roxio

Roxio, a division of Sonic Solutions, develops and markets the best-selling digital media software in the world. Roxio offers award-winning software products for CD/DVD burning, photo editing and video editing and has an installed base of over 150 million users. Roxio distributes its products globally through strategic partnerships with major hardware manufacturers, through leading retailers, through Internet partnerships and through direct sales at www.roxio.com. Roxio's parent company, Sonic Solutions (NASDAQ: SNIC; http://www.sonic.com) is the leader in digital media software and provides a broad range of software tools and applications for creative professionals, business and home users and technology partners. Sonic's products range from professional DVD authoring systems and interactive content delivery technologies that are used to produce the majority of Hollywood movies released on DVD, to the award-winning Roxio- and Sonic-branded CD and DVD creation, playback and backup applications that have become the premiere solutions for consumers and business users worldwide. Sonic's AuthorScript® is the de facto standard for CD and DVD burning and formatting and has been licensed by major software and hardware manufacturers, including Adobe, Broadcom, Microsoft, Scientific-Atlanta, Sony, and many others. Sonic Solutions is headquartered in Marin County, California.

Sonic, the Sonic logo, Sonic Solutions, Roxio, MyDVD, CineMagic, Plug & Burn, LiveShare, Roxio Easy Media Creator, and AuthorScript are trademarks or registered trademarks of Sonic Solutions or its subsidiaries in the United States and/or other countries. Dolby is a trademark of Dolby Laboratories. All other company or product names are trademarks of their respective owners and, in some cases, are used by Sonic Solutions under license. Specifications, pricing and delivery schedules are subject to change without notice.

About STOPzilla

STOPzilla, a privately held company based in Boynton Beach, Fla., is a developer of innovative privacy solutions that are intelligent, easy to use and affordable. Since launching in April 2002, STOPzilla has fast become the preferred spyware, adware and popup killer for Internet users worldwide earning the Cnet Editors’ Choice Award in November 2003—one of the most coveted awards in the consumer software industry.