Ascent Media Group Chooses Sonic Scenarist 3 for High-end DVD Title Production; Upgrades and Expands DVD Production with ``Hollywood-standard'' Sonic Authoring.

Business Editors/High-Tech Writers

IBC 2003

AMSTERDAM, Netherlands--(BUSINESS WIRE)--Sept. 16, 2003

Sonic Solutions (NASDAQ:SNIC) announced today at the International Broadcasting Convention (IBC) that the Ascent Media Group, a leading media creation company based in Santa Monica with locations worldwide, has recently upgraded and expanded its DVD production capabilities with the addition of Sonic Scenarist, the leading solution for creating "Hollywood" style feature film and high-end DVD titles. Capitalizing on Sonic's upgrade program, Ascent Media replaced obsolete third-party systems and immediately increased throughput and production efficiency with Scenarist(R).

Scenarist boasts a unique mix of powerful high-end features and productivity enhancements. Providing unrivalled access to the DVD specification, users are empowered to create titles with the maximum level of interactivity and quality and achieve the highest level of player compatibility.

"Our business has experienced a dramatic increase in the demand for high-end DVD titles, and Sonic was the clear choice when we needed to update our existing capabilities and expand our production facilities," said Steven Samwell, Technical Director, Stream, Ascent Media Group, London. "Scenarist not only has accelerated our production times, but with Sonic's upgrade program, we have been able to retrieve value from our outdated third-party systems. We plan to continue expanding Scenarist's presence within our facility by taking advantage of this excellent opportunity."

"High-end facilities require the latest DVD production technology to enable their businesses to meet the ever-increasing demand for cutting-edge, feature-rich titles," said Richard Linecar, Director of Sonic's European Operations, Professional Products Group. "With the arrival of Scenarist 3 and the Sonic upgrade program, there's never been a better time to affordably upgrade your facility to the very latest future-proof DVD technology."

About the Scenarist Product Line

With its extremely precise control of the DVD specification and the unequaled DVD-player compatibility of the titles it produces, Scenarist has become the backbone of the commercial DVD industry and is used to design and create the vast majority of blockbuster DVDs, feature releases, and high-end commercial titles available today.

Sonic Scenarist is available in three editions. Scenarist Studio offers a focused feature set for filmmakers and multimedia designers seeking advanced access to the DVD specification at an affordable price. Scenarist Studio includes the ability to create DVD-9 titles, work with 16:9 video content, and create DVDs with up to three camera angles. Scenarist Advanced adds copy protection, regional coding and closed caption support to the feature list. Scenarist Professional is the full-featured Hollywood-standard authoring tool used to create millions of DVD discs in commercial release. Scenarist Professional gives users the most complete level of control over the DVD specification and allows for the most interactive titles with up to nine video angles, DTS support, Text Data, Jacket Pictures and many other features. All editions use the same user interface and the same reliable and proven project and layout engine to ensure the most compatible discs.

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(R) and DVDit!(R) 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(TM) is a leading solution for audio and data mastering. Sonic's AuthorScript(R), 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 Producer, Edit-on-DVD, NoNOISE, OpenDVD, Sonic PrimeTime, RecordNow and Simple Backup are trademarks of Sonic Solutions. AuthorScript, AutoDVD, DVDit!, DVD Fusion, MyDVD, PrePlay, ReelDVD, Scenarist, Sonic DVD Creator 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.

Forward Looking Statement

The above paragraphs of this press release may contain forward looking statements that are based upon current expectations. Actual results could differ materially from those projected in the forward looking statements as a result of various risks and uncertainties including, among others, the timely introduction and acceptance of new products, costs associated with new product introductions, the transition of products to new hardware configurations and platforms and other factors, including those discussed in the Company's annual and quarterly reports on file with the Securities and Exchange Commission. This press release should be read in conjunction with the Company's most recent annual report on Form 10-K, Form 10-Q and Registration Statement on file with the Securities and Exchange Commission, which contain a more detailed discussion of the Company's business including risks and uncertainties that may affect future results. The Company does not undertake to update any forward looking statements.