Vonage Mobile Application for Facebook Functionality to Invite Friends via SMS or Email Directly from an Apple Mobile Device

HOLMDEL, N.J., Dec. 20, 2010 /PRNewswire/ -- Vonage Holdings Corp. (NYSE: VG), a leading provider of high-quality voice and messaging services over broadband networks, today announced the 1.2 release of the Vonage Mobile application for Facebook for iPhone®, iPod touch®, and iPad® devices. The 1.2 upgrade allows users to easily invite their friends directly from their Apple® mobile device to download the Vonage Mobile app. Users can send invitations to device contacts via email or SMS. "By making it even easier for users to share the Vonage Mobile application for Facebook, we're expanding the benefits of our low-cost, high-value communications experience to a wider audience," said Nick Lazzaro, Senior Vice President of Product Development and Information Technology. "We strive to develop services that allow people to communicate on their own terms, and this is a further evolution of our vision." The Vonage Mobile application for Facebook allows users to make free mobile calls to all of their Facebook friends who have the app, anywhere in the world, directly from their friends list, with a single touch. The service works over Wi-Fi and 3G networks in most countries. Users who don't have an unlimited data plan should check with their mobile carrier to see if any data charges apply. This 1.2 release reinforces Vonage's commitment to be the leader in low-cost communication services that connect individuals and social networks through any broadband device, worldwide. To become a fan on Facebook, go to www.facebook.com/vonage. To follow Vonage on Twitter, please visit www.twitter.com/vonage. iPhone, iPod touch and iPad are registered trademarks of Apple, Inc.

About Us Vonage (NYSE: VG) is a leading provider of communications services connecting individuals and social networks through broadband devices worldwide. Our technology serves approximately 2.4 million subscribers. We provide feature-rich, affordable communication solutions that offer flexibility, portability and ease-of-use. Our Vonage World plan offers unlimited calling to more than 60 countries with popular features like call waiting, call forwarding and voicemail — for one low, flat monthly rate. Vonage's service is sold on the web and through regional and national retailers including Wal-Mart Stores Inc. and is available to customers in the U.S., Canada and the United Kingdom. For more information about Vonage's products and services, please visit http://www.vonage.com. Vonage Holdings Corp. is headquartered in Holmdel, New Jersey. Vonage® is a registered trademark of Vonage Marketing Inc., a subsidiary of Vonage Holdings Corp.