International Voice & Data CommunicationsBringing Efficiency, Flexibility & Cost Savings

to Your Global Communications Business

Corporate Overview

Arbinet Company Overview

Arbinet provides International Voice services to retail, mobile, wholesale, prepaid, and VoIP providers

18 of the 20 world’s largest carriers utilize the Arbinet Network

Termination to over 1400 destinations world-wide

More than 1100 carriers & operators

Arbinet provides flexible, cost effective and high performance access to the global Internet for ISPs and Carriers through our Data Exchange Services

More than 200 customers

2009 Revenue of $339 Million

2009 Minutes totaling 10.3 Billion

Publicly traded company with a strong balance sheet

Key

Figures

Global Coverage

NY0019XM_1.WOR

Voice & IP Network

Three Ways to Manage International Voice Traffic

All supported by Arbinet CreditWatchsm credit management system that protects sellers and guarantees fast, reliable payment.

Arbinet Intelligent

Routing Platform

CARRIER SERVICESStandard wholesale

interface with fully

managed A-Z tables

customized to the

customer’s

requirements

THEXCHANGESM

Customers create

customized routing plan

using state of the art

trading platform

PRIVATEEXCHANGESM

Virtual Direct Route -

Arbinet manages

interconnect, VoIP

conversion, rating;

settles using ‘private’

rates

Carrier

Customer

Supplier

Supplier

Supplier

International Voice Service Delivery

thexchangeSM

Customers create customized routing plans using Arbinet’s state of the art trading platform

Route Plan Generator (RPG) creates automated route plans every 4 hours

Automated Settlement Services, Credit Insurance and Flexible Payment Terms

Carrier Services

Standard Wholesale Interface

Customer Based Routing with access to multiple classes of service

Rate Lock & Single Bill

Automated Settlement Services, Credit Insurance and Flexible Payment Terms

PrivateExchangeSM

Private Network Peering (Virtual Direct Route)

Bilateral Management

Code & Rate Management

Back-Office Simplification

TDM to VoIP conversion and VoIP to VoIP transcoding

Automated Settlement Services, Credit Insurance and Flexible Payment Terms

thexchangeSM

Carrier Services

Customer Based RoutingSM provides access to all classes of service on a single trunk group

PrivateExchangeSM

Control Customer Relationships

Rate Negotiations

Circuit Utilization

Volume Commitments

Swap Agreements

Eliminate Provisioning Expense Code Management and Disputes Bad Debt Billing and Settlement Working Capital Management

Create New Partnership Opportunities

Timely Interconnection No Provision Expense No Geographic Limitations No Contract Process Use Arbinet Intelligence

Increased Margin and Revenue

Enabled via a powerful, and easy-to-use, web-based platform for managing multiple bilaterals

Industry Leading Settlement Services

CreditWatchsm, with 3rd Party credit insurance through leading global financial institutions to manage risk and provide security

Flexible 15 net 15 Settlement terms, with shorter options available with RapidClearsm

Automated bilateral clearing and settlement

Automated credit limit notifications

Global Number Portability Correction (GNPC)

Data Exchange

Layer 2 IP exchange for Internet access Standard Internet & paid peering Premium optimized Internet

One-stop ISP supply management (PrimeIPSM & SelectIPSM)Ideal for ISP’s and ASP’s to simply IP multi-homingSingle interconnect, agreement and invoice for many Tier 1 ISPs and peersDirect access at lower cost and flexible terms (No ASN hop)

Optimal way to deliver optimal internet access (OptimizedIPSM)Ideal for mission critical applications: VoIP, gaming, streaming media, etc.Near real-time quality based routing optimization among multiple Tier 1 ISP’sSignificantly improve IP & VoIP QoS

Direct connection to multiple ISP’s

Single interconnect for multi-homing

Simplify supplier & contract management

Reduce costs

Access to 1100+ Arbinet members for VoIP services

Avoid traffic congestion with near real-time optimization

OptimizedIPsm

MultipleTier-1

Internet

Providers

MarketViewSM

United States HQ460 Herndon Parkway, Suite 150Herndon, VA USA 20170Phone: +1 703 456 4100Fax: +1 703 456 4123

Europe, ME & Africa HQ 44 Gutter Lane, 8th FloorLondon, EC2V 4 BRPhone: +44 (0) 20 7338 1200Fax: +44 (0) 20 7338 1205

Asia Pacific HQ3 Raffles Place #07-01Singapore 04048617Phone: +65 6329-9782Fax: +65 6329-9699

Latin AmericaAvenida Las Americas 4-52, zona 13Segundo Nivel 01013Guatemala, GuatemalaPhone: +502 2331 6278USA: +1 732 509 9161

Middle East & North AfricaSin El Fil, Charles Helou StreetRizkallah & Boutros CenterBeirut, LebanonPhone: +961 1 513 813Fax: +961 1 513 814