EarthLink SD-WAN The Business Aware Cloud Network

1. EarthLink SD-WANThe Business Aware Cloud Network

2. Agenda • The Opportunity • Business Drivers • Market Intelligence • New Competitive Landscape • Why EarthLink is Well Positioned

3. Trends Impacting Networking 50% Trends are transforming network needs of CIOs expect to operate via cloud by 2016 • Agility • Visibility and Control • Performance • Operational Efficiency 2X More bandwidth every 18 months Large investment in Software Defined WAN (SD-WAN) 80% of enterprise traffic is destined for the internet

4. Enterprises Need to Operate at “Cloud Speed” • MPLS Backhaul limits performance “ Enterprises report 80% of a site’s WAN traffic is destined for the Internet.” • Service roll-outs take too long “ If you go with the traditional WAN architecture, the cloud apps will suffer.” • IT Transformation leads to Cloud Adoption and Bandwidth Demand • The network must evolve to deliver: • Improved cloud-based application performance • More cost effective bandwidth • 100% Uptime

5. The Internet Seems Like a Logical Alternative… But… Why haven’t companies moved to the public Internet to augment MPLS private networks? Performance and Reliability How can you guarantee delivery of data and 99.99% uptime? Security How can you deliver network traffic and sensitive data securely anytime / anywhere? Visibility and Control How do you know what applications are running and how do you manage them?

6. Is the Internet “Fit for Purpose”? Internet Performance Improving Demand for Bandwidth Accelerating 96% Availability Global IP Traffic (Exabytes / mth) 168 135 Last Mile Link Quality Fixed Broadband 109 Packet Loss <1% in NA 67% +3x growth 88 72 60 49 38 14% Wireless 28 20 19% MPLS ’10 ’11 ’12 ’13 ’14 ’15F ’16F ’17F ’18F ’19F Source: BCG Packet Loss by Region Source: Aryaka – State of the Enterprise WAN 2015

7. SD-WAN Improves Internet Performance WAN 1 WAN 2 WAN Virtualization 89% Improvement Latency 95% Improvement Packet Loss 100% Improvement Re-Order 5 Outages Avoided Availability Source: Ecessa Report 60-day measurement of network performance improvements driven by WAN Virtualization

8. SD-WAN Value Proposition Performance Operational Efficiency Visibility / Control Agility Technical Capabilities

9. U.S. Managed SD-WAN Market CAGR: 128% CAGR: 136% • More than 70% of organizations with WANs have Internet-only sites as of 2015. • Among those organizations, an average of 28% of a company's total sites have Internet-only connectivity -- a figure that is growing as MPLS tiers continue to shrink. • By year-end 2018, 10% of enterprises will have replaced their WAN routing with SD-WAN based path forwarding, up from less than 1% in 2015 • By year-end 2017, at least five global carriers will have incorporated SD-WAN as a key component of their managed network service designs, up from zero in 2015. • Between 2016-2020, 134% CAGR across all industries, which means a big opportunity to cast a wide net. The key business drivers of cloud adoption and bandwidth demand impact all industries. Source: Market Size from IDC, Market Trends from IDC and Gartner

10. 50% customers are considering SD-WAN deployment over the next 2 years – ELNK, with its SD-WAN offering and hybrid WAN execution experience, is well positioned to ride this wave SD-WAN deployment timeline Customer vision for SD-WAN Immediate priority for ELNK % of respondents % of those respondents that do want to deploy SD-WAN Sole solution using broadband at all sites Deployed or underway 3% 43% 6 months - 2 yrs 50% Hybrid solution (MPLS+broadband) at all sites 42% 2 - 5 yrs 36% Using MPLS for some sites and Broadband for some 13% More than 5 yrs 3% ELNK has already gained success and experience in deploying hybrid WAN solutions Unsure 3% Not considering 8% SOURCE: FTI, Internet based Study, Feb 2016 - Survey with 1,156 customers across industries (1,021 from online panel, 135 from ELNK contacts)

11. SD-WAN Competitive Landscape Pure Players Network Service Providers Adding SD-WAN Source: Market Insights Analysis based on D&B data

12. Those considering deploying SD-WAN are most likely to consider a Network Service Provider Q27. [IF CURRENTLY CONSIDERING DEPLOYMENT OR CURRENTLY DEPLOYED IN QUESTION 22] What type of SD-WAN vendors are you considering? Select all that apply. N=810 (ONLINE PANEL N = 787 FROM / EARTHLINK CONTACTS N = 23) Source: FTI survey; FTI analysis

13. Additionally, a large proportion of customers (75%) are considering switching providers – Real opportunity to differentiate with excellent service Likelihood to switch providers after contracts end % of respondents Highly likely 29% • Top 3 motivatorsfor switching include: • Price • Security • Customer care / responsiveness Somewhat likely 46% Somewhat unlikely 19% Highly unlikely 6% SOURCE: FTI, Internet based Study, Feb 2016 - Survey with 1,156 customers across industries (1,021 from online panel, 135 from ELNK contacts)

14. Why EarthLink for SD-WAN Solution Concierge Service Premium fully-managed service with an assigned service manager providing expert, proactive guidance and support to get the most from SD-WAN Business Aware Cloud Network Network designed to improve cloud-based application performance and enhance user experience by enabling dynamic traffic steering 100% Service Availability SLA* Tailored Industry Solutions Suite of easy-to-integrate services customized for industry verticals including cloud-based unified communications, security and WiFi EarthLink SD-WAN Optimized Management Simple cloud-based app provides real time analytics, visibility and control over applications, enables policy creation and management plus agile configuration and deployment *See SLA for full details

15. Personalizedand proactiveexpert guidance EarthLink SD-WAN Concierge™ Service A fully managed service for businesses that want to focus resources on innovation

16. Tailored Solutions Cloud-based WiFi solution Network solutions that support a unified commerce platform Centralized security platform with Professional Service expertise Customer analytics from cloud-based WiFi, Hosted Voice, and Hosted Contact Center Mobile POS

17. Business Aware Cloud Network Proprietary architecture with eight strategic Cloud Core Nodes, including SD-WAN Gateways and redundant, low latency connectivity to leading cloud platforms/applications. Brings hosted apps closer to end users for better performance, and optimizes access to additional cloud services including: • UCaaS• Hosted Security• Cloud Express• Direct Connect• Global Internet • MPLS/IPsec

18. Optimized Management • Analyze integrated data for deep insights Build with common design templates Order with drag and drop simplicity Manage all services through one interface

19. Why EarthLink? “Organizations need a service provider that is already very experienced as a managed service provider, with expertise in MPLS VPN’s, broadband, Ethernet, and hybrid networks. The provider should already have been providing these kind of solutions prior to SD-WAN, and its expertise should include system design, installation, deployment, and pre-deployment consulting services that incorporate SD-WAN solutions”. Nav Chandler IDC Research manager Q & A commissioned by Century Link May, 2016

20. Opportunity is upon us As MPLS was to Frame Relay… SD-WAN’s time is now SD-WAN’s projected growth is 4X more than MPLS! All SD-WAN solutions are not created equal Success will depend on the right partnerships We are in it to win it Ready to join us?