Abbey Road Interactive Joins Sonic High Definition Authoring Alliance; Sonic Helps Premier European New Media Facility Prepare for High Definition Launch

The HDAA is the first and only worldwide association of top DVDauthoring houses dedicated to facilitating the rollout of titles forrelease in the new high-definition HD DVD and Blu-ray Disc (BD)optical disc formats. The charter of the alliance is to help increasemomentum for the successful introduction of the new DVD formats andensure the timely availability of quality titles by providing membersexclusive access to key information, HD-enabled tools, andcomprehensive training.

"We are extremely pleased to welcome Abbey Road Interactive intothe HDAA. Our collaboration will assist in the development of thesenew formats," said Richard Linecar, managing director of EuropeanOperations for Sonic's Professional Products Group based in London,UK. "I'm confident that the association will result in the productionof the highest quality Blu-ray Disc and HD-DVD titles and will heralda new era in compelling, interactive viewing experiences."

"Sonic has been our technology provider of choice since we begandeveloping interactive entertainment for DVD-Video in 1996," said RobPinniger, new technologies manager, Abbey Road Interactive and EMIMusic. "Membership in the HDAA will enable us to better ourunderstanding of the new formats in order to produce high-impacttitles making full use of the system's capabilities."

For more information on the HDAA, contact Sonic at:HDAA_INFO@sonic.com.

About Abbey Road

Abbey Road has been at the heart of the UK music industry for morethan 70 years. Unquestionably, it is one of the most authoritative,established and well-known names in the world of music. Today, AbbeyRoad Studios is the most technically advanced recording and mixing,film scoring, post-production audio and video complex in the world.

Abbey Road Interactive, the interactive design and digital videostudio launched in February 1996, is at the forefront of DVD, EnhancedCD and website development for the entertainment industry.

www.abbeyroadinteractive.com

Abbey Road is part of The EMI Group.

About Sonic Solutions

Sonic Solutions (NASDAQ:SNIC) http://www.sonic.com is the leaderin digital media software, providing a broad range of interoperable,platform-independent software tools and applications for creativeprofessionals, business and home users, and technology partners.Sonic's products range from advanced DVD authoring systems andinteractive content delivery technologies used to produce the majorityof Hollywood DVD film releases, to the award-winning Roxio(R)-brandedCD and DVD creation, playback and backup solutions that have becomethe premier choice for consumers, prosumers and business usersworldwide.

Sonic products are globally available from major retailers, onlineat Sonic.com and Roxio.com, and are bundled with PCs, after-marketdrives and consumer electronic devices. Sonic's digital media creationengine is the de facto standard and has been licensed by majorsoftware and hardware manufacturers, including Adobe, Microsoft,Scientific-Atlanta, Sony, and many others. Sonic Solutions isheadquartered in Marin County, California.

Sonic, the Sonic logo, Sonic Solutions, and Roxio are trademarksor registered trademarks of Sonic Solutions or its subsidiaries in theUnited States and/or other countries. All other company or productnames are trademarks of their respective owners and, in some cases,are used by Sonic Solutions under license. Specifications, pricing anddelivery schedules are subject to change without notice.Forward Looking Statements

The above paragraphs of this press release may contain forwardlooking statements that are based upon current expectations. Actualresults could differ materially from those projected in the forwardlooking statements as a result of various risks and uncertaintiesincluding, among others, the timely introduction and acceptance of newproducts, costs associated with new product introductions, thetransition of products to new hardware configurations and platformsand other factors, including those discussed in the Company's annualand quarterly reports on file with the Securities and ExchangeCommission. This press release should be read in conjunction with theCompany's most recent annual report on Form 10-K, Form 10-Q andRegistration Statement on file with the Securities and ExchangeCommission, which contain a more detailed discussion of the Company'sbusiness including risks and uncertainties that may affect futureresults. The Company does not undertake to update any forward lookingstatements.