Stull, Stull & Brody Announces Class Action on Behalf of Shareholders of Sonic Solutions

NEW YORK, October 10, 2007 — Attorney Advertising. Notice is hereby given that a class action lawsuit has been commenced in the United States District Court for the Northern District of California on behalf of all purchasers of the common stock Sonic Solutions (“Sonic”) (NASDAQ: SNIC) between October 4, 2002 and May 17, 2007, inclusive (the “Class Period”).

The complaint charges Sonic and certain of its officers and directors with violations of the Securities Exchange Act of 1934. Specifically, the complaint alleges that prior to the Class Period, Sonic had manipulated its stock option accounting which caused its SEC filings during the Class Period to be materially false and misleading. Also during the Class Period, Sonic and its top officers made false and misleading statements about its business and prospects, all while concealing its false stock option grant practices, causing its stock to trade at artificially inflated levels.

On February 1, 2007, Sonic announced that it had commenced a voluntary review of its historical and current stock option grant practices and related accounting. Then, on May 17, 2007, after the market closed, Sonic announced its preliminary unaudited financial results for the fourth quarter ended March 31, 2007, and stated that based on its previous review, Sonic lacked sufficient documentation for certain historical option grants and that the measurement dates associated with these option grants will need to be adjusted. The Company further stated that it will have to record additional cash and non-cash charges for stock-based compensation expense and restate previous financial statements, and that such charges will be material.

On this news, Sonic’s stock collapsed from $13.37 per share to as low as $11.76 per share on volume of 1.8 million shares. This drop continued a decline from $18 per share which began in February 2007, when Sonic first disclosed its stock option problems.

Plaintiff seeks to recover damages on behalf of all those who purchased or otherwise acquired Sonic Solutions common stock during the Class Period, which is between October 4, 2002 through and including May 17, 2007. If you purchased or otherwise acquired Sonic Solutions common stock during the Class Period, and either lost money on the transaction or still hold the securities, you may wish to join in the action to serve as lead plaintiff. If you purchased Sonic Solutions common stock during the Class Period, you may request that the Court appoint you as lead plaintiff no later than 60 days from October 4, 2007.

A lead plaintiff is a representative party that acts on behalf of other class members in directing the litigation. In order to be appointed lead plaintiff, the Court must determine that the class member’s claim is typical of the claims of other class members, and that the class member will adequately represent the class. Under certain circumstances, one or more class members may together serve as “lead plaintiff.” Your ability to share in any recovery is not, however, affected by the decision whether or not to serve as a lead plaintiff. You may retain Stull, Stull & Brody, or other counsel of your choice, to serve as your counsel in this action. Stull, Stull & Brody has litigated many class actions for violations of securities laws in federal courts over the past 30 years and has obtained court approval of substantial settlements on numerous occasions. Stull, Stull & Brody maintains offices in New York and Los Angeles.

If you wish to discuss this action or have any questions concerning this notice or your rights or interests with respect to these matters, please contact Tzivia Brody, Esq. at Stull, Stull & Brody by e-mail at SSBNY@aol.com, by calling toll-free 1-800-337-4983, or by fax at 212/490-2022, or by writing to Stull, Stull & Brody, 6 East 45th Street, New York, NY 10017. You can also visit our website at www.ssbny.com.

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