GTT Corporate Overview

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Expansive Global Reach

Top-five global IP network, spanning 250+ PoPs and

100+ countries

Diverse CloudNetworking Services

Outstanding Customer Experience

Differentiated service built on our core values of

simplicity, speed and agility

Comprehensive suite of Internet, Wide Area

Networking, Managed Services and Voice

The GTT Advantage

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Trusted by the World’s Leading Organizations

6,600+ Enterprise Clients ~2,000 Carriers

4 of the top 5 Global 500 Companies

7 of the top 10 Technology

Firms

9 of the top 10 Telecom

Companies

Healthcare Firms

5 of the top 10 7 of the top 10 U.S.

Government Contractors

6 of the top 10 Investment

Banks

Sources: Fortune; Forbes; U.S. News and World Report; Federal Procurement Data System

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Comprehensive Service Portfolio

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Our Cloud Networking Portfolio

EtherCloud Services

Networking without limits• Ethernet • VPLS• MPLS (IP VPN)

Internet Services

Connect everywhere• IP Transit• Dedicated Internet Access• Broadband Internet

Voice and UC Services

IP-based communication and collaboration• SIP Trunking • Hosted Enterprise PBX• Cloud-based call center and

contact center

Managed Services

End-to-end network management• Managed Network Services• Multi-layered Security Services • Managed Secure Access

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A Better Way to Reach the CloudGTT connects clients to any location in the world and any application in the cloud

Core Network ConnectivityLast Mile AccessCustomer Premises Equipment

ClientData

Center

Security Services

SIP Trunking Hosted PBX

Call Center

Internet Services

EtherCloud® Wide Area

Networking Services

Tier 1 Global IP Network

GTT PoP GTT PoP GTT PoP

ClientBranch

Office

Secure Remote Access

ClientRemote Users

Managed N

etwork Services

Public Internet Cloud Service Providers

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The GTT Internet Services Advantage

Global Reach and Availability

• 250+ PoPs, 100 countries, 61 metro markets

• 2,000 interconnection partners

Our Leading Internet Backbone

• Supports IPv4, IPv6, IPv4+6

• 165,000 direct routes

High Capacity, Optimal Performance

• Top five, Tier 1 IP network, transporting over 10 Tbps of traffic

• MPLS traffic engineering for low-latency traffic delivery

Flexible Billing Options• Flat rate, tiered or burstable billing

• Aggregate Committed Data Rate (ACDR) plans

Internet Services

Connecting You Everywhere

IP Transit Dedicated Internet Access Broadband Internet

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Ethernet Virtual Private LAN Service (VPLS) MPLS (IP VPN)

The GTT EtherCloud Advantage

Resilient, Global Connectivity• Global coverage – availability in 250+ PoPs• Extended reach with 2,000 regional partners for last-mile

coverage

Flexible Billing Options• Flat rate, tiered or burstable billing• Aggregate Committed Data Rate (ACDR) plans

Guaranteed Performance• 99.999% PoP-to-PoP SLA; end-to-end SLAs• Frame/packet loss ratio ≤ .1%• Proactive fault detection and performance monitoring

Real-Time Reporting• Monitor network performance and track real-time statistics

through our EtherVision portal

High-performance Layer 2 and Layer 3 Networking

EtherCloud® Services

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Where Expertise Meets Efficiency

Managed Network Services Managed Security Services Managed Secure Access

The GTT Managed Services Advantage

In-depth Insight• Detailed information on network performance• Full reporting on the health of CPE and circuits

Comprehensive Security Capabilities• Multilayered security for enhanced protection• UTM + managed logging, vulnerability scanning and

security information management

Highly Flexible Offerings• Supports diverse deployment models and equipment• Secure remote network access

Customized Compliance Packages• Safeguard data and meet complex regulatory requirements

like PCI DSS, HIPAA and SOX• First network provider to achieve PCI/CISP compliance

Managed Services

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SIP Trunking Enterprise PBX Call Center Services

The GTT Voice and UC Advantage

Global Reach and Availability• Redundant points of presence across five continents• Interconnections to leading regional and global carriers• Latest-generation Sonus Session Border Controllers for

enhanced scalability

Guaranteed Performance• Termination – 200+ countries and territories• DIDs – 65+ countries, 3,700 cities• Toll free – 120+ countries and territories• Emergency services – select countries outside the U.S.• In-country international voice testing, available in 105+

countries and territories

Voice and Unified Communications

Optimizing Enterprise Communication and Collaboration

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Industry-leading Network

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1,000+Points of Presence (PoPs)

Traffic delivered on our network

Ranked global Internet backbone1

Regional partners for network extensions

Cloud services and applications available for instant access

Metro markets

1 Source: Dyn Independent Research firm.

250+ 4th

2,00061 10Tbps

Our Global Reach – In Numbers

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Resilient, High-Performance Network

Highly-Scalable, Redundant IP/MPLS Backbone• Built on a highly-resilient

transport network• Multiple, diverse fiber systems

worldwide (no single point of failure)

• Ethernet OAM Standards, Y.1731

Seamless Delivery of Bandwidth-Heavy Traffic• Guaranteed CoS: WAN services

are carried over the lowest latency paths on the GTT backbone

• A protected service supported by MPLS Traffic Engineering for bandwidth and Quality of Service guarantees

• Fast reroutes, high availability

One Common, Juniper-Based Infrastructure• Core backbone: Juniper MX/T/M Series• Edge network: Juniper MX/EX Series

Advanced Routing Control• Helps clients maintain complete

control over network advertisements

• Support for extended BGP communities

Online Monitoring• Proprietary client portal for

monitoring service performance, viewing port usage and network status, reviewing invoices, and opening and tracking trouble tickets

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Delivering Client Success

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Superior Service ExperienceExtensive Global ExpertiseRedefining Client Service Efficiency and Transparency

Exceptional, Senior Staff Handling Customer Orders• Service delivery teams in five

countries• Seasoned telecom

professionals• Specialized teams for

specific products

• Separate project management office for large or highly technical projects

Relentless Focus on Timelines and Commitments• Tasks and workflow prioritized

according to task SLAs

• Allows for deep customer insight into service delivery process

• Drives task and milestone compression for shorter intervals

• Ensures total accountability within GTT and with suppliers

Customer First in Every Interaction• Focus on simplicity for customers

from on-boarding through billing

• Deliver services quickly and efficiently

• Meet commitments and timeframes

• Proactively anticipate and respond to customer challenges

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Results Achieved

Case Study |

Challenge

• 40 global offices• Software developers spread

out geographically• Inconsistent performance from

public Internet with VPN• Needed robust, private

network for real-time collaboration

GTT Solution

• Global EtherCloud WAN• MPLS IP VPN connecting all

40 offices• High bandwidth Direct

Internet Access (DIA)

• Simple design and pricing • Any-to-any connectivity• One cost per location with

full port capacity• End-to-end management across all

locations

• Decreased file transfer time by 5x• Rapid deployment, ahead of

schedule• Expanded on success of project by

adding managed router at all locations

• Single MSA for maximum efficiency

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Case Study |

Results Achieved

• Holistic network design, including direct connection to Amazon Web Services (AWS)

• Secure connectivity and optimal performance

• Guaranteed fast, flexible, secure connections, and isolation of individual client networks

• Circuits turned up in weeks, not months

• Simple pricing: one cost per location with full port capacity

• LiveOps clients connected to redundant data centers for high reliability and low-latency traffic delivery

Challenge

• 300+ clients using cloud contact center platform

• 20,000+ independent customer service agents

• Required quick provisioning and a network that could scale with business growth

• Needed to reach clients in any location

GTT Solution

• Global EtherCloud WAN• Private VLANs• Private, high-bandwidth

connection to Amazon Web Services (AWS)

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Corporate Information

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Financial Highlights

($ in Millions)

Revenue

(1) Refer to non-GAAP reconciliation for Adjusted EBITDA definition

Adjusted EBITDA (1)

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Highly Experienced Leadership TeamRick Calder | President and CEO Chris McKee | General Counsel and EVP, Corporate

Development

• Joined GTT in May 2007• Previous senior roles with InPhonic, Broadwing, Winstar, Tellabs,

GO Communications and MCI• Over 25 years telecom experience

• Joined GTT in April 2008• Previous experience includes StarVox, Covad Communications, XO

Communications and Net2000• Over 20 years broad legal experience

Mike Sicoli | Chief Financial Officer Layne Levine | Chief Revenue Officer

• Joined GTT in April 2015 • Previous experience includes Sidera Networks, RCN Corporation,

Nextel, Deloitte Consulting and Accenture• Over 20 years financial and operational telecom experience

• Joined GTT in November 2012• Previous experience includes Alpheus, Deltacom/Earthlink, Airband,

Level 3 and Broadwing• Over 20 years experience leading sales teams

Gina Nomellini | Chief Marketing Officer Corey Eng | SVP, Business Operations and Systems

• Joined GTT in October 2015• Previous experience includes One Source Networks, Telstra, Level 3

and Broadwing • Over 19 years experience in marketing and product management,

leading high-performing global teams

• Joined GTT in April 2013• Previous experience includes Comcast, InPhonic, Nextel,

Broadwing, Winstar, GO Communications and MCI• Over 20 years management experience

Bob Burris | SVP, Global Engineering and Operations Brent McCutchin | SVP, Global Service Delivery

• Joined GTT in June 2014• Previous experience includes Harris Caprock Communications,

Arbinet, and Cable and Wireless• Over 30 years of telecom-related network operations and

engineering experience

• Joined GTT in October 2015• Previous experience includes One Source Networks, Level 3,

Broadwing, MCI/WorldCom and GE Capital Consulting• Expertise overseeing functions that include network operations,

engineering, service delivery and client services

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H. Brian Thompson Rick Calder

• Founder of GTT and Executive Chairman of the Board• Previous leadership roles at Comsat International, Global

TeleSystems, LCI, Qwest and MCI• Board positions at Pendrell, Penske and Sonus Networks

• President and CEO of GTT Communications• Previous senior roles with InPhonic, Broadwing, Winstar, Tellabs,

GO Communications and MCI• Over 25 years telecom experience

Rhodric C. Hackman S. Joseph Bruno

• Co-founded Mercator Capital• Served as Co-Head of Communications and Media Investment

Banking at PWC

• President and CEO of Building Hope• Board of DC Prep Charter School, the Center City Public Charter

Schools, Georgetown University Hospital and Intergroup Service• Certified Public Accountant and former partner of KPMG Peat

Marwick

Howard Janzen Theodore B. Smith, III

• President and CEO of Cool Planet• Former CEO of One Communications • Board of directors of Sonus Networks, Vocera Communications and

Anyware Mobile Solutions

• Managing Director of Canrock Ventures and Managing Director, Geier Group LLC

• Former Chairman and CEO of John Hassall, Inc., and previously worked at Bear Stearns in Risk Arbitrage and Institutional Equities

Nick Adamo Elizabeth Satin

• Senior Vice President, Cisco Global Service Provider segment• Multiple senior leadership roles at Cisco and sales management

roles in the finance industry at IBM • Board positions at the Alliance for Telecommunications Industry

Solutions (ATIS), and the Inwood House

• Head of Mergers and Acquisitions for Wolters Kluwer • Extensive M&A and corporate finance experience, having completed

over 200 deals• Former Managing Director in investment banking for media and

communications at Lehman Brothers

GTT Board of Directors

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In Conclusion | Why GTT

The GTT Advantage

Global Reach and Guaranteed Performance via Our Tier 1 IP Network

The Most Agile Commercial Model in the Industry

Direct, Secure Connections to Cloud Service Providers

Leading Managed Services and Compliance Capabilities

Comprehensive Cloud-based Communications

GTT is committed to redefining enterprise communications, providing clients with the infrastructure, services and capabilities that drive efficiency and productivity across their organizations.

THANK YOU

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Appendix

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Solving Key Client Challenges | At a Glance

FedEx• 1,200 remote workers – global courier• Key driver: Closing down call centers• Service summary: Managed Access

Public Storage• 2,439 locations – retail• Key drivers: PCI-compliant solution, high availability• Services summary: MPLS, IPsec VPN, Managed CPE 4 hour response, MSS

Gateway with white/black list, IPS and AntiVirus

Ghirardelli Chocolate• 24 locations – retail and warehouse• Key driver: PCI-compliant solution • Services summary: MPLS, PCI, CPE, UTM, MSS Gateway with web

filtering, IPS and AntiVirus, 4G backup and QoS

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Solving Key Client Challenges | At a Glance

Lucky Brand• 265 locations – retail, headquarters and factory locations• Key driver: IT insourcing of cloud applications• Services summary: MPLS, PCI, UTM, Managed WiFi, MSS Gateway and

Payment Card Extranet

Fast Retailing• 100 locations – retail• Key driver: High availability• Services summary: MPLS, IPsec VPN, PCI Diverse Circuits, HA CPE, MSS

Gateway with IPS and Payment Card Extranet

Papa John’s• 3,200 locations – retail• Key drivers: Online ordering, Mapquest routing• Services summary: MPLS, PCI, MSS Gateway with web filtering, 4G

backup and Payment Card Extranet