Nuance Delivers Full Support for Windows Vista and the 2007 Microsoft Office System Across Dictation and Imaging Product Lines; Joins Microsoft in Nationwide Windows Vista Launch Events.

Award-Winning Line of Productivity Applications from Nuance Optimized for Microsoft Platform; Nuance Selected to Support Windows Vista Launch Tour 2007

BURLINGTON, Mass. -- Nuance Communications, Inc. (NASDAQ: NUAN), a leading provider of speech and imaging solutions, today announced full support for Windows Vista, the 2007 Microsoft Office system and Microsoft Exchange Server 2007 across all of its productivity applications solutions. Nuance's award-winning Dragon[TM] NaturallySpeaking[R], the world's most popular speech recognition application, as well as its ScanSoft[R] Imaging Solutions, including PaperPort[R], OmniPage[R] and the PDF Converter Professional family, all now support Microsoft's newest Windows operating system.

"Windows Vista and the 2007 Office system will create a platform for the next generation of user experiences, and we are excited to see the industry come together like never before around these products," said Brad Goldberg, general manager for Windows at Microsoft Corp. "By working closely with industry partners such as Nuance, we are able to provide consumers worldwide an experience that is easier, safer, more entertaining, and better connected whether at home, at work, or on the go."

As a key Microsoft industry partner, Nuance was also selected as one of only a handful of companies to join in its Windows Vista Launch Tour 2007, a nationwide series of live events that allow attendees to experience the latest technologies and gives first-hand access to the new Microsoft solutions. The launch events feature sessions for IT professionals, developers and technology decision makers including hands-on demos, a partner expo hall and keynotes from top Microsoft executives. For more information and to find a launch event near you, please visit http://www.launchtour2007.com/PreReg/.

"Providing full support for Windows Vista, the 2007 Microsoft Office system and Microsoft Exchange Server 2007 delivers significant benefits to our customers in terms of maximizing their user experience and the productivity gains that they can achieve," said Robert Weideman, senior vice president and general manager, Productivity Applications, Nuance. "We are pleased to continue our long-standing relationship with Microsoft and we are committed to providing full support for our productivity applications for our customers and partners as they move to the new Windows Vista environment."

Availability and Pricing

Dragon NaturallySpeaking 9, ScanSoft PaperPort, ScanSoft OmniPage and ScanSoft PDF Converter Professional with full Windows Vista support are all immediately available through Nuance and its global network of reseller partners. For additional information on Nuance's Windows Vista support, please visit Nuance.com/vista. For more information on all of Nuance's productivity applications, including features, pricing and volume licensing programs, please visit Nuance.com or call (1) 800.443.7077.

Nuance Communications, Inc.

Nuance (Nasdaq: NUAN) is the leading provider of speech and imaging solutions for businesses and consumers around the world. Its technologies, applications and services make the user experience more compelling by transforming the way people interact with information and how they create, share and use documents. Every day, millions of users and thousands of businesses experience Nuance's proven applications and professional services. For more information, please visit Nuance.com.

Trademark reference: Nuance, the Nuance logo, Dragon, NaturallySpeaking, ScanSoft, PaperPort, and OmniPage are registered trademarks or trademarks of Nuance Communications, Inc. or its affiliates in the United States and/or other countries. All other company names or product names may be the trademarks of their respective owners.

The statements in this press release that relate to future plans, events or performance are forward-looking statements that involve risks and uncertainties, including risks associated with market trends, competitive factors, and other risks identified in Nuance's SEC filings. Actual results, events and performance may differ materially. Readers are cautioned not to put undue reliance on these forward-looking statements that speak only as of the date hereof.