NEWS

WIRES

OTHER

Arbinet Schedules Fourth Quarter and Full Year 2009 Results Conference Call

The news release announcing the fourth quarter and full year 2009 results will be disseminated on March 16, 2010, before the NASDAQ stock market opens.

The dial-in number for the live audio call beginning at 10:00 A.M. Eastern Time (888) 562-3654, or (973) 582-2703 for international callers; the passcode is 57749229. A live web cast of the conference call will be available on Arbinet's web site at http://www.arbinet.com.

A replay of the call will be available from 1:00 P.M. Eastern Time on March 16, 2010 through midnight on March 23, 2010 at http://www.arbinet.com and by telephone at (800) 642-1687, or (706) 645-9291 for international callers; the passcode is 57749229.

About Arbinet Corporation

Arbinet is a leading provider of international voice and IP solutions to carriers and service providers globally. With more than 1100 carriers across the world utilizing the Arbinet network, Arbinet combines global scale with sophisticated platform intelligence, call routing and industry leading credit management and settlement capabilities. Customers and suppliers include many leading fixed line, mobile, wholesale and VoIP carriers as well as calling card, ISPs and content providers around the world who buy and sell voice and IP telecommunications capacity and content. The Company can be reached at its corporate headquarters in Herndon, VA at +1 703.456.4100 or by email at sales@arbinet.com.

    Contacts:
    Gary Brandt, CFO
    Arbinet Corporation
    703-456-4140

    Andrea Priest / Andi Salas
    Joele Frank, Wilkinson Brimmer Katcher
    212-355-4449

SOURCE Arbinet Corporation