1. LifeSize Company Overview February 2, 2011

2. NEW VIDEO SOLUTIONSSTRATEGIC ALLIANCESM&A ACTIVITY Skype announces video calling in the living room Skype announces multi-party FaceTime video calling on iPhone 4G Qik video calling on Sprint EVO 4G LifeSize LG executive system Tandberg Callway, hosted HD video and voice com- munications Skype mobile on 3G network Cisco Cius announcement Cisco Umi Revue/Vid Video Communication Exploding Polycom and HP co-marketing, distribution agreement Microsoft, HP, LifeSize, Polycom, Juniper alliance Interop between the Avaya Aura UC platform and LifeSize HD HP Vidyo distribution agreement Polycom, Microsoft UC Strategic Relationship Logitech acquisition of LifeSize Radvision acquires Aethra Cisco completes acquisition of Tandberg Skype $2.75B buyout led by Silver Lake Vidyo raises $25M in Series C financing Google buys real-time voice and video processing software Google acquisition of video compression outfit On2 Technologies 2

3. To bring HD Video Collaboration to anyone, anywhere 3 The LifeSize Vision Extending HD video collaboration to more people in more places Enterprise-class IT-friendly Enabling genuine human interaction over any distance 3

4. 4 LifeSize Innovation 1 st 1080p30, 720p60 Product Oct ‘08 April ‘10 LifeSize® Video Center May ‘10 LifeSize helps found UCIF July ‘10 LGExecutive, powered by LifeSize LifeSize 220 series launched 1 st sub $2500 HD Video Communications System Oct ‘09 Dec‘09 acquires LifeSize LifeSize Camera 10x LifeSize Bridge Oct ‘10 LifeSize founded March ‘03

5. LIFESIZE MANAGEMENT AND INFRASTRUCTURE OFFERINGS Management & Control HD Streaming, Recording, Auto-Publishing Appliance Video Infrastructure Security, NAT/FW Traversal 5 LifeSize Portfolio  Conference Series  Next best thing to face-to-face  Easy to use  Immersive  Room Series  Support for 8 callers  Expandable—support additional video device  Continuous presence  Express Series  Support for dual displays  View of all participants  Data sharing  Team Series  Support for 4 callers  Easy switching— can support up to 2 video inputs  Superior quality  Desktop  PC application for video collaboration  Data sharing  720p30 video  Passport or LG Executive  Compact  Affordable  Versatile—call HD endpoints, phones, stream and record; share data LIFESIZE VIDEO ENDPOINT OFFERINGS

6. Extending HD video collaboration to more people in more places  Lowest TCO with superior quality of experience  LifeSize infrastructure solutions unrivaled in price/performance Benefits of LifeSize 6 Enterprise-class, IT-friendly  Modular, open, scalable and secure  Works with existing networks. Manage in heterogeneous environments  Interoperable, standards-based  Founded UCIF to drive increased interoperability  Seamless integration between infrastructure, management and endpoints  Extensive partnerships that enable a complete video collaboration solution Enabling genuine human interaction over any distance  Superior quality HD collaboration with Adaptive Motion Control to ensure optimized video  Unmatched ease of use