As previously announced on January 7, 2008, Jeffrey A. Citron, Chairman and Chief Strategist of Vonage will participate in the Citi 18th Annual Global Entertainment, Media & Telecommunications Conference being held today. At the conference, Mr. Citron will announce the following preliminary unaudited financial and operating information about Vonage's recently completed quarter and year ended December 31, 2007:

• Vonage's 2007 revenue will be more than $800 million
• Fourth quarter 2007 churn will show no meaningful change over the 3.0% reported the prior quarter
• Excluding payments made in connection with the settlement of intellectual property litigation which Vonage believes is not indicative of its core operating results for the quarter, Vonage expects to generate positive operating cash for the quarter ended December 31, 2007(1)
• Vonage's cash position at December 31, 2007 was $190 million, which includes $40 million in restricted cash

In addition, Mr. Citron will provide the following expectation for the Company:

• Vonage expects to generate positive adjusted income for 2008

(1) Including the payments made in connection with the settlement of the intellectual property litigation, operating cash for the fourth quarter is expected to be negative.