Vonage Expands Extensions™, Allowing Customers to Add a Second Extension for $9.99 per Month

Vonage Holdings Corp. (NYSE: VG) today expanded Vonage Extensions™, giving customers the ability to add a second extension to their existing home plan for $9.99 per month (plus tax). Both the free extension and the new second extension allow Vonage customers to make international calls using Vonage's signature unlimited(1) international calling plans* from up to two additional phones, including mobiles, creating a virtual family plan. "The launch of Extensions gave customers flexibility and savings when making international calls. The availability of a second extension means these benefits are now available to another family member, providing even greater value to our customers," said Michael Tempora, Senior Vice President of Product Management at Vonage. Existing customers can register for their free and paid Extensions by logging into their online accounts at www.vonage.com. For more information visit www.vonage.com. About Vonage Vonage (NYSE: VG) is a leading provider of low-cost communications services connecting individuals 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 monthly rate. Vonage's service is sold on the web and through regional and national retailers including Wal-Mart Stores Inc., Best Buy, Kmart and Sears, and is available to customers in the U.S. (www.vonage.com), Canada (www.vonage.ca) and the United Kingdom (www.vonage.co.uk). Vonage Holdings Corp. is headquartered in Holmdel, New Jersey. Vonage® is a registered trademark of Vonage Marketing Inc., a subsidiary of Vonage Holdings Corp. To follow Vonage on Twitter, please visit www.twitter.com/vonage. To become a fan on Facebook, go to www.facebook.com/vonage. To subscribe on YouTube, visit www.youtube.com/vonage. (1) Unlimited calling is available to 60+ or 80+ countries, depending upon plan, and is subject to our Reasonable Use Policy and Terms of Service. All residential plans are based on normal residential, personal use by single-family household members. See Vonage.com for details. * The $9.99/mo extension is not available with World Premium Unlimited plans. Vonage Philippines Unlimited Plan customers will be charged Vonage World rates (including $.09/min to the Philippines).