2011 Investor Overview JEFF LUNSFORD CHAIRMAN AND CEO DOUG LINDROTH - - PowerPoint PPT Presentation

2011 Investor Overview

JEFF LUNSFORD

CHAIRMAN AND CEO

DOUG LINDROTH

CHIEF FINANCIAL OFFICER

Safe Harbor Statement

Certain statements in this presentation relate to future results that are forward-looking statements as defined in the Private Securities Litigation Reform Act of 1995. This presentation contains statements involving risks and uncertainties, including statements relating to Limelight Networks’ market

• pportunity and future business prospects. Actual results may differ materially

and reported results should not be considered as an indication of future

• performance. Factors that could cause actual results to differ are included in

Limelight Networks’ Annual Report on Form10K and Form 10Q.

Proportion of Total U.S. Internet Traffic

1995 2010

Limelight Networks Global Content Delivery Platform

Sao Paulo Johannesburg Tel Aviv Chennai

• 7+ Tbps egress capacity
• 2.5 billion objects delivered hourly
• 15 petabytes of cloud storage
• 80+ points of presence (POPs)
• 15,000+ high-performance servers
• Direct-connected to 900+ ISPs
• 2 million server compute capacity

Dusseldorf Vienna

Traffic Growth – Consistent Trend

Q1 07 Q2 07 Q3 07 Q4 07 Q1 08 Q2 08 Q3 08 Q4 08 Q1 09 Q2 09 Q3 09 Q4 09 Q1 10 Q2 10 Q3 10 Q4 10 Q1 11 Q2 11 Q3 11

Our Growth Strategy

Be Be the w world’ d’s s #1 o 1 or # #2 2 high-performance ce, g globa bally di dist stribut buted d Delive very, Storage & Compu pute pla platform Laun unch ch complim plimentary SaaS offerin ings f for compe petit itiv ive + fin inancia ial l gain

• ins. [

[Built ilt: Sit ite, Storage, Transco scodi ding & C Consul sulting] ] [Acq [Acqui uired: d: Mobi bility, OVP, Web b Content Management, Pres.

• s. Acce

Accel.] ] Delig light cust customers w s with be best st-in in-cl class se ss servi vice ce and p d performance ce, co combi bined w d with friendl dly, co consul sultative ve va value ue-adde dded sup d support.

6

• Pres. Layer Accel.

Our Integrated Solutions For The Online World

XD Intelligent Software Layer

REPORT l ANALYZE l CONTROL l OPEN APIs

Massively Provisioned Global Computing Platform

Consulting & Technical Services Content Delivery Services l Storage l Compute

Web Infrastructure Total Content Management Web Application Acceleration Mobility & Monetization

From Strategy To Numbers – VAS as Percent of Revenue

0% 5% 10% 15% 20% 25% 30%

Q1 08 Q2 08 Q3 08 Q4 08 Q1 09 Q2 09 Q3 09 Q4 09 Q1 10 Q2 10 Q3 10 Q4 10 Q1 11 Q2 11 Q3 11

6% 6% 9% 7% 10% 11% 11% 13% 14% 15% 18% 18% 20% 27% 29%

50% of $400M target model at 70-80% GM

Performance Results

Limelight DELIVER vs Brand X

Limelight

0.5 1 1.5 2 2.5 3

Brand X

Response Time (milliseconds)

Real Time

Limelight DELIVER service is on average 35% faster than Brand X Measured by Gomez, 405MB file blind test, commissioned by a third party.

Performance Results

Source: TubeMogul. Short- and long-form video streams measured over a 14-day period. December 2009.

Limelight Networks CDNetworks/Panther Akamai Edgecast Bitgravity

3.84% 5.07% 7 .96% 9.48% 12.48%

4 out of 5 viewers leave if a stream buffers once

Percentage of overall delivered streams with slow load times 192 million streams tested

Revenue History

$- $20 $40 $60 $80 $100 $120 $140 $160 $180 $200

2004 2005 2006 2007 2008 2009 2010 2011

$11 $21 $65 $106 $130 $132 $183 Consensus

Target Model

12

YEAR ENDED 12/31/2010 YTD ENDED 9/30/2011 Revenue ($ in Millions)

$154.2 $125.3

Gross Margin

39% 35%

Cash Gross Margin

55% 53%

S&M

22% 22%

R&D

5% 8%

G&A (without litigation)

13% 14%

• Adj. EBITDA Margin

15% 9%

Capital Expenditures

22% 22%

TARGET MODEL (Estimated)

$400 56% 68% 20% 6% 9% 33% 15%

EBITDA Margin Pickup (Estimated)

15% 2% 2% 5% 24%

Costs are represented without stock-based compensation and without litigation costs and acquisition-related expenses

Financial Trends (in Millions)

Gro Gross marg rgin a and c cash gro ross m marg rgin a are re re repre resente ted with thout t sto tock-bas ased c com

• mpensat

ation

• n

v v v v Revenue CGM GM

• Adj. EBITDA Margin

5 10 15 20 25 30 35 40 45 Q1 08 Q2 08 Q3 08 Q4 08 Q1 09 Q2 09 Q3 09 Q4 09 Q1 10 Q2 10 Q3 10 Q4 10 Q1 11 Q2 11 Q3 11

30.2 30.3 33.1 35.9 33.2 32.3 32.5 33.6 35.7 35.6 40.0 43.0 41.4 41.6 42.4

75% 65% 55% 45% 35% 25% 15% 5% 33% 53% 13% 37% 57% 15% 37% 57% 13% 41% 60% 14% 37% 56% 18% 37% 56% 18% 38% 56% 10% 36% 52% 15% 43% 56% 14% 40% 55% 7% 15% 39% 54% 54% 39% 15% 54% 38% 12% 51% 33% 8% 53% 37% 8%

Mobility & Monetization Solutions

Cloud-based services for addressing a universe of devices

Limelight REACH

Devi vice ce-opt ptim imiz ized d deliv livery

Cloud-based device detection and optimization

• f mobile video

Support for smartphones, feature phones, and connected device OS Publish one Universal URL and deliver properly formatted video to any environment

Limelight ADS

Dynamic ic mobile ile a ad in insertio ion

Dynamically insert targeted advertising into mobile video stream Target by date range, demographics, geographic data, and content topic/tag Integration with third-party ad servers

m.espn.com m.nbc.com m.fox.com m.comedycentral.com

Cloud Solutions for Mobile

Universal URL

OS Video Format Support Display Size Browser Support Available Bandwidth Ad Server Analytics

Source Files Mobile Platform

AUTO FORMATTING & AD INSERTION DEVICE DETECTION

Limelight Video Platform

Acquire Transcode Store Manage Monetize Deliver Report

Cloud-based software-as-a-service for publishing and monetizing video content on a website. Encapsulates Limelight media delivery services in a single workflow and login Enables customers of all sizes and business complexity to leverage Limelight’s video delivery service Robust programming interfaces, flexible architecture, and patent-pending innovations

Limelight Content Management

Cloud-based software-as-a-service for publishing web content globally, tracking visitor experiences, and implement branding, social media, and demand generation campaigns Enables online publishers and enterprise marketers to engage with visitors across multiple channels and devices. Encapsulates Limelight web and application acceleration services in a single workflow

Create Manage Publish Serve Interact Measure Adapt

Web Infrastructure Services

100% availability SLA 10+ PB storage online, delivering 2.5+ billion objects/hr. Content replicated in multiple geographic locations Superior access performance through Limelight’s connectivity to last- mile networks

Cloud storage solutions Traffic Balancer DNS nameserver solution

Look

• okup

Tim ime (Se Seconds) Per ercen ent Sl Slower t than Lim imelig light Lim imelig light .016 016

• AK

AKAM AM – DN DNS .045 045

• 281%

281% Ultra raDNS NS – DN DNS .069 069

• 431%

431%

Average ge DN DNS resp sponse se t times s over er t the c e course e of a w week eek a as mea easured ed from a g glo lobal l footp tprint o t of te testi ting ag agents by a a third rd-part rty.

Revenue Composition Q3 2011

46% 11% 43%

REMA MAINI NING NG CUS USTOMERS RS

TO TOP 1-20 20 TOP 21-40 40

17% 15% 68%

Customer Concentration Geographic Region

EMEA EA AP APAC AC NORTH AM AMERICA

Key Success Metrics

Traction with high-value SaaS offerings in Mobile, OVP and Web Content Management Traction with differentiated PaaS offerings for Acceleration and Cloud Storage (PaaS) Gross margin expansion as SaaS offerings CDN scale and performance serving as platform for the above.

Thank you!

Question & Answer Session