Stock Transfer Agent Information
If you are a registered stockholder and have questions regarding your holdings or if there are any changes to be made to the account (mailing address, account name), please contact the Company's transfer agent, American Stock Transfer & Trust Company, at the following:
American Stock Transfer & Trust Company
6201 15th Avenue
Brooklyn, New York, NY 11219
Visit their website at www.astfinancial.com.
If you own stock through a brokerage account, contact your broker who is responsible for your account. The CUSIP number for Vonage's common stock is 92886T 20 1.