BURLINGTON, Mass., June 16, 2008 – Nuance Communications (NASDAQ: NUAN), a leading provider of speech solutions, today announced that it has filed a patent infringement lawsuit against Vlingo in the United States District Court for the Eastern District of Texas. In its complaint, Nuance states that Vlingo infringes a Nuance patent that covers a technique for adapting a speech recognition system to the speech of individuals or groups. In the claim, Nuance seeks monetary damages for infringement and injunctive relief to prevent Vlingo from continuing to infringe U.S. Patent No. 6,766,295, entitled “Adaptation of a Speech Recognition System across Multiple Remote Sessions with a Speaker.”

“Nuance has invested significant resources in developing technologies, building solutions and acquiring intellectual property,” said Jo-Anne Sinclair, vice president and general counsel of Nuance Communications. “These inventions and the intellectual property protecting those inventions are a cornerstone of our business. We take great pride in and place significant value on our patents and will aggressively protect our intellectual property rights through all available means.”

Nuance holds more than 1000 patents and patent applications in the fields of speech and imaging technologies and has made significant investments in research, development and the acquisition of intellectual property to provide its customers with innovative solutions. The Company continues to develop and acquire intellectual property as the result of its innovations for the speech and imaging markets.

Nuance Communications, Inc.

Nuance (NASDAQ: NUAN) is a 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 www.nuance.com.

Nuance and the Nuance logo are trademarks or registered trademarks of Nuance Communications, Inc. or its affiliates in the United States and/or other countries. All other trademarks referenced herein are the property of their respective owners.