Sonic Solutions Announces Rescheduled First Quarter 2006 Earnings Release

Novato, California (August 8, 2005) — Sonic Solutions® (NASDAQ: SNIC), the world leader in digital media software, announced today that it will release its fiscal first quarter results for the period ended June 30, 2005 on Monday, August 15, 2005.

The first quarter financial results will be released after the close of market on Monday, August 15, 2005, via press release and a conference call to discuss the results will begin at 1:30 p.m. PST (4:30 p.m. EST) the same day. Both the live webcast and the replay may be accessed on the investor section of the Sonic website at www.sonic.com.

Sonic also announced that it intended to file a Form 12b-25 with the Securities and Exchange Commission for an automatic extension to the time for filing its Quarterly Report on Form 10-Q. As a result of the extension, the Company’s Quarterly Report will be due on Monday, August 15, 2005.

“Because we changed auditors and engaged BDO Seidman, LLP less than three weeks ago, we decided to file for the automatic extension to give BDO a bit of additional time to complete their review,” said Clay Leighton, Sonic’s Senior Vice President and Chief Financial Officer. “We look forward to discussing our June results with our shareholders and investors on Monday, August 15.”

As announced on July 26, 2005, Sonic engaged BDO Seidman, LLP as its registered independent accountants to perform Sonic’s annual financial and controls audit for fiscal year 2006 (ending March 31, 2006) including customary review of quarterly financial statements that will be filed during the fiscal year. Sonic had previously engaged KPMG LLP and its predecessor firms to perform such services.

About Sonic Solutions
Sonic Solutions (NASDAQ: SNIC; http://www.sonic.com) is the leader in digital media software, providing a broad range of interoperable, platform independent software tools and applications for creative professionals, business and home users, and technology partners. Sonic’s products range from advanced DVD authoring systems and interactive content delivery technologies used to produce the majority of Hollywood DVD film releases, to the award-winning Roxio- and Sonic-branded CD and DVD creation, playback and backup solutions that have become the premiere choice for consumers, prosumers and business users worldwide.

Sonic products are globally available from major retailers, online at Sonic.com and Roxio.com, and are bundled with PCs, after-market drives and consumer electronic devices. Sonic’s digital media creation engine is the de facto standard and has been licensed by major software and hardware manufacturers, including Adobe, Microsoft, Scientific-Atlanta, Sony, and many others. Sonic Solutions is headquartered in Marin County, California.
Sonic, the Sonic logo, Sonic Solutions, and Roxio are trademarks or registered trademarks of Sonic Solutions or its subsidiaries in the United States and/or other countries. All other company or product names are trademarks of their respective owners and, in some cases, are used by Sonic Solutions under license.