ARBX Arbinet Corp. (MM)

NEW BRUNSWICK, N.J., Oct. 25 /PRNewswire-FirstCall/ -- Arbinet-thexchange, Inc. (NASDAQ:ARBX), the world's leading electronic market for trading, routing, and settling communications capacity, announced today that the Company will present at the AeA Classic Financial Conference on November 8-9, 2005 at the Manchester Grand Hyatt Hotel in San Diego, California. John Roberts, Chief Financial Officer of Arbinet-thexchange, and Mike Lemberg, VP Corporate Development and Treasurer will present at the conference. Date and Time: Tuesday, November 8 -- hourly from 2:00PM PST to 5:45PM PST Wednesday, November 9 -- hourly from 8:00AM PST to 12:45PM PST About Arbinet Arbinet is the leading electronic market for trading, routing and settling communications capacity. Members of the exchange, consisting primarily of communications service providers, buy and sell voice calls and Internet capacity based on route quality and price through its centralized, efficient and liquid marketplace. Members place orders through a web-based interface. Its fully automated, highly scalable trading platform matches these orders using proprietary software and delivers them through state-of- the-art facilities. Contacts: Mike Lemberg Arbinet 1.732.509.9220 David Pasquale or Denise Roche The Ruth Group 1.646.536.7006 / 1.646-526-7008 / DATASOURCE: Arbinet-thexchange, Inc. CONTACT: Mike Lemberg of Arbinet, +1-732-509-9220, or , or David Pasquale of The Ruth Group, +1-646-536-7006, or , or Denise Roche of The Ruth Group, +1-646-526-7008, or , all for Arbinet-thexchange, Inc. Web site: http://www.arbinet.com/

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