Q1 2007

February

AAAA selects Arbinet to deliver ebiz for media registry

Arbinet launches PeeringSolutions^SM for US Domestic market with seven US competitive operators

Q4 2006

December

693^rd Member joins Arbinet
Arbinet acquires Flowphonics

Q3 2006

September

522^nd Member joins Arbinet
Arbinet creates Global Peering Community, signs eleven providers with over 22 million customers

August

Arbinet introduces AssuredAxcess^SM high-quality, low maintenance global voice termination

Arbinet introduces PrivateExchange ^SM platform to simplify carrier sales management

Q2 2006

May

Arbinet introduces PeeringSolutions ^SM service, becomes first SPIDER registrar

April

Activates Miami Exchange Delivery Point

Q1 2006

January

Arbinet to provide industry standard calling code management service to ECTA

Q4 2005

October

All of the world's ten largest international carriers are now Arbinet Members

Q3 2005

September

Activates Hong Kong Exchange Delivery Point (EDP)

Q2 2005

May

Arbinet launches DirectAxcess^SM service - direct termination to the world's fixed and mobile networks

Q1 2005

February

Arbinet launches mobile on thexchange^SM - the managed solution for mobile interconnectivity

Q4 2004

December

October

Arbinet prices initial public offering at $17.50
360th Member joins Arbinet
Trading exceeds 12 billion minute per year run rate

Arbinet launches SoftSwitchAxcess^SM, the network control center to help carriers manage and grow their VoIP businesses

Q3 2004

September



July

Arbinet acquires Band-X's IP trading exchanges

Launches data on thexchange^SM, the electronic market for trading, routing and settling Internet access
Files for initial public offering (IPO)

Q2 2004

May

Trading exceeds 10 billion minute per year run rate

Q1 2004

March
February

Introduced SwitchAxcess^SM flexible partition for optimized routing
300th Member joins Arbinet

Q4 2003

December
October

Trading exceeds 9 billion minute per year run rate
Introduced RapidClear^SM accelerated settlement service

Q3 2003

September
July

Introduced SelectRouting^SM retail routing solution for premium traffic
Traded minutes exceed 2 billion in 2nd quarter, 24% growth over Q1

Q2 2003

May

Trading exceeds 8 billion minute per year run rate
Activates Frankfurt Virtual Exchange Delivery Point (Virtual EDP)
Closes Series E1 private equity financing of $10M

Q1 2003

February

January

Trading exceeds 7 billion minute per year run rate
GMAC provides credit risk underwriting
Trading exceeds 6 billion minute per year run rate
Introduces AxcessRate^SM spot market price and quality data

Q4 2002

December

250th Member joins Arbinet
Introduces online billing

Q2 2002

June
May

200th Member joins Arbinet
Trading exceeds 5 billion minute per year run rate

Q1 2002

March
February
January
 

Activates Los Angeles Exchange Delivery Point (EDP)
Launches CreditWatch^SM monitoring system
Introduces Peak/Off-peak trading
Trading exceeds 4 billion minute per year run rate

Q4 2001

December
November

Traded minutes exceed 750M in 4th quarter, 61% growth over Q3
Trading exceeds 3 billion minute per year run rate

Q3 2001

September
August
July
 

Introduces quality-first routing
Trading exceeds 2 billion minute per year run rate
Inaugurates Inter-Exchange trading between London and New York
Closes Series E private equity financing of $36M

Q2 2001

May
April

Introduces AxcessCode^SM, international calling code breakouts
Trading exceeds 1 billion minute per year run rate

Q4 2000

December
November

GE Capital Commercial Services provides credit risk underwriting
100th Member joins Arbinet

Q3 2000

August

Launches world's only automated, full-service minutes exchange

Q2 2000

April

J. Curt Hockemeier joins Arbinet as President and CEO

Q1 2000

March

Closes Series D private equity financing of $41M

Q4 1999

December

Inaugurates London service to expand geographic reach of thexchange

November
October

Closes Series B/C private equity financing of $30M
Begins service on prototype exchange platform

Q2 1999

April

Closes Series A private equity financing of $6M

      1996

Alex Mashinsky founds Arbinet