Michael Andretti To Appear On Behalf Of Vonage(R) At Circuit City In Doral

Andretti Green Racing Team to use Vonage to make and receive calls during this year's race season

HOLMDEL, N.J., March 20 -- Vonage Marketing, a subsidiary of Vonage Holdings Corp., a leading broadband telephony provider in North America, announced the Andretti Green Racing (AGR) team will make and receive calls using its service. Vonage is a major sponsor of the AGR team. Come celebrate with fans as they have a chance to meet Michael Andretti and take home a free Vonage device if they sign up for service at the Doral Circuit City located on NW 13th Terrace.

Andretti will drive the Jim Beam/ Vonage car as he makes his return to racing in the Indianapolis 500 on May 28, 2006. He is a 42-time winner in CART competition, has 14 Indianapolis 500 starts, and scored four top-five finishes. Vonage's logo will be on the race cars of the other Andretti Green drivers including: Dario Franchitti, Tony Kanaan, Bryan Herta, and Marco Andretti.

  WHO:    Michael Andretti
  WHAT:   Michael Andretti to greet fans.  Free Vonage devices will be
          distributed to any fan who signs up for service at Circuit City.
          Fans will also have the chance to receive hero cards autographed
          by Andretti.  Power 96 will be at the store for the event.
  WHERE:  Circuit City, 8575 NW 13th Terrace Doral, Fl 33126
  WHEN:   Thursday, March 23, 2006, 11:30 a.m.-1:30 p.m., Media
          Availability, 12:30 p.m.-1:30 p.m.

  About Vonage(R)

Vonage is a pioneer in the broadband phone industry. Vonage's award winning service is sold on the web and through national retailers. Vonage Holdings Corp. is headquartered in Holmdel, New Jersey. For more information about Vonage's products and services, please visit http://www.vonage.com/ or call 1-VONAGE-HELP. Vonage(R) is a trademark of Vonage Marketing, a subsidiary of Vonage Holdings Corp.