Microsoft Incorporates Sonic AuthorScript® in Updated Version of Microsoft Plus! Digital Media Edition

AuthorScript Engine Enables Video CD Burning for Plus! Photo Story 2 feature

Marin County, California (October 29, 2003) - Sonic Solutions® (NASDAQ: SNIC) announced today that Microsoft has licensed Sonic AuthorScript, the world's leading CD and DVD formatting and burning engine, for the recently updated version of Plus! Digital Media Edition, Microsoft's popular photo, music, and movie enhancement pack for Windows XP. By incorporating Sonic AuthorScript, Microsoft adds a key new feature for Plus! Digital Media Edition called Plus! Photo Story 2, which enables users to create photo story slideshows. These slideshows include music and narration and can be burned to Video CDs (VCDs) which can be viewed on most consumer DVD players. Sonic AuthorScript also makes it possible for Plus! Digital Media Edition users to add an archive of the original high-resolution photo files to the Video CD.

"Integrating Sonic AuthorScript into our latest version of Plus! Digital Media Edition enables consumers to take their favorite Photo Story slideshows and play them back on their DVD players in the living room," said Jason Reindorp, group manager in the Windows Digital Media Division at Microsoft Corp. "We were able to easily and quickly integrate Sonic's AuthorScript Video CD burning technology into our popular product, giving consumers another great way to share their best photos and the stories that go with them."

"We are delighted that our Video CD burning technology was chosen by Microsoft for the updated version of Plus! Digital Media Edition," said Jim Taylor, general manager of Sonic's Advanced Technology Group. "Plus! Photo Story 2 with Video CD burning gives digital camera owners a terrific new way to save and share their photos."

About Sonic AuthorScript
Sonic AuthorScript is the world's leading engine for the creation and burning of DVDs and CDs on PCs and CE devices. Available as a software development kit (SDK) with extensive APIs, AuthorScript makes it easy for application developers to add a broad range of CD and DVD technologies into their applications and to support the widest array of CD and DVD burners. A flexible solution, AuthorScript contains modules for converting video and audio data into DVD- and VCD-compliant streams, formatting and burning DVD-Video and VCD projects, data mastering on recordable CDs and DVDs, music CD ripping and burning, DVR recording and timeshifting, and DVD-Video and VCD playback. AuthorScript also includes comprehensive support for recording and editing in the DVD-VR and DVD+RW (+VR) formats.

Sonic AuthorScript creates fully compatible DVDs that play on the widest number of set-top and PC-based DVD players. In addition, AuthorScript's OpenDVD^® technology makes it easy for consumers to revise recorded VCD and DVD discs at any time.

AuthorScript has been licensed by industry-leading companies including Adobe, AOL/Time Warner, Avid, Microsoft, and Sony. It is the underlying engine in Sonic's DVD applications including MyDVD®, DVDit!®, and RecordNow!T, which are bundled by major OEMs such as Adaptec, Compaq, Dell, Fujitsu, Hewlett-Packard, Hitachi, Matrox, NEC, Panasonic, Philips, Plextor, Pioneer, Sony, ViewSonic, and many others.

Design specifications and licensing programs for AuthorScript solutions are available now from Sonic at authorscript@sonic.com.

About Sonic Solutions (NASDAQ: SNIC)
Based in Marin County, California, Sonic Solutions (http://www.sonic.com) is the world's leading supplier of DVD creation software for professional, industrial and consumer applications. The majority of major film releases on DVD have been produced on Sonic's professional DVD authoring systems in studios around the world. Sonic's MyDVD® and DVDit!® are the most widely-used DVD creation applications by consumers and video enthusiasts and are the solutions of choice among the key PC and after-market drive suppliers. Sonic's RecordNow!T is a leading solution for audio and data mastering. Sonic's AuthorScript, the DVD and CD formatting and burning engine that underlies Sonic's applications, is the most widely deployed DVD software engine and has been licensed by Adobe, Microsoft, Sony, and many others.

Sonic, the Sonic logo, Backup MyPC, CinePlayer, DVD PrePlay, DVD Producer, Edit-on-DVD, OpenDVD, PrimeTime, RecordNow and Simple Backup are trademarks of Sonic Solutions. AuthorScript, AutoDVD, DVD-Audio Creator, DVD Creator, DVDit!, DVD Fusion, MyDVD, NoNOISE, ReelDVD, Scenarist and Sonic Solutions are registered trademarks of Sonic Solutions. All other company or product names are trademarks of their respective owners and, in some cases, are used by Sonic under license. Specifications, pricing and delivery schedules are subject to change without notice.