Sonic Solutions to Present at the William Blair Small Cap Growth Stock Conference

NOVATO, CA (September 28, 2009) — Sonic Solutions® (NASDAQ:SNIC) today announced that it will participate in the William Blair & Company Small Cap Growth Stock Conference on Tuesday, October 6, 2009, at 2:00 p.m. EDT.

An on-demand audio webcast of the presentation with accompanying slides will be accessible through the company’s Investor Relations Webcast section at http://www.sonic.com/about/investor/.

William Blair & Company, L.L.C.
Small Cap Growth Stock Conference
Waldorf-Astoria
New York, NY
Tuesday, October 6, 2009
2:00 p.m. EDT / 11:00 a.m. PDT

The CinemaNow ecosystem currently includes PCs, connected TVs, set top DVRs, Blu-ray Disc and mobile media players from leading manufacturers such as Archos, Dell, HP, LG, Microsoft, Nintendo, Pioneer, Samsung and TiVo. As well as being available on a range of consumer electronics, Roxio CinemaNow is also instantly accessible through Bestbuy.com.

About Sonic Solutions

Sonic Solutions® (NASDAQ: SNIC) is powering the digital media ecosystem through its complete range of Hollywood to Home™ applications, services, and technologies. Sonic's Roxio® products enable consumers to easily manage and enjoy personal digital media content and, through Roxio CinemaNow®, access premium Hollywood entertainment on a broad range of connected devices. A wide array of leading technology firms, professionals, and developers rely on Sonic to bring innovative digital media functionality to next-generation devices and platforms. Sonic Solutions is headquartered in Marin County, California.

Contact Information

Investor Relations Contact(s)

Nils Erdmann, Sonic Solutions, 415-893-8032, nils_erdmann@sonic.com

Press Contact(s):

Chris Taylor, Sonic Solutions, 408-367-5231, chris_taylor@sonic.com