(C) 2010, Aruba Networks Inc. CONFIDENTIAL

Who Is Aruba? Dell’Oro 4Q2009 WLAN Market Share ~$250M Run-rate 600+ Employees 10,000 Customers Revenue up YOY for the last four years Gartner 2010 WLAN MQ Leader for three consecutive years : ARUN Quick Facts Industry Recognition HP ProCurve Cisco Aruba Networks Motorola Meru Networks 3Com Enterasys/Siemens Enterprise Comm. Ruckus Wireless Aerohive Networks Belden-Trapeze Networks D-Link Systems Bluesocket Xirrus ABILITY TO EXECUTE COMPLETENESS OF VISION

(C) 2010, Aruba Networks Inc. CONFIDENTIAL Keerti Melkote Founder, CTO Chris Spain VP, Product Management Bob Bruce VP, Channel Sales Sriram Ramachandran VP, Strategic Initiatives Mike Kirby VP Sales, Americas Greg Murphy VP, Marketing Dominic Orr President, CEO and Chairman of the Board of Directors Steffan Tomlinson CFO (Peribit) Ankur Singla VP, Engineering Hitesh Sheth COO Veteran Management Team Peter Cellarius VP, Business Development and Partnerships Aaron Bean VP, Human Resources

(C) 2010, Aruba Networks Inc. CONFIDENTIAL Public Transit Public Venues Services Hospitality Government Healthcare Retail Education Go Mobile With Aruba Internet Finance Media & Ent. High Tech Manufacturing Logistics Telecom Oil and Gas

RetailMedia & Ent.FinanceInternetHigh Tech Clientes no Brasil EducationGovernmentHealthcareHospitalityConstructionPublic VenuesServicesOil and GasManufacturingLogisticsTelecom

(C) 2010, Aruba Networks Inc. CONFIDENTIAL Historic Driver of Network Spend Powerful trends provide an opportunity to rightsize network spending and eliminate complexity

(C) 2010, Aruba Networks Inc. CONFIDENTIAL The Distributed ‘Virtual’ Workforce Headquarters Geographically dispersed workforce 88% of employees now work outside of headquarters Half of employees spend 20%+ of their time away from their primary work area Increasingly heterogeneous organizations Contractors, consultants, auditors, partners, etc. Remote Offices & Workers

(C) 2010, Aruba Networks Inc. CONFIDENTIAL Headquarters Proliferation of New Mobile Devices Devices are more portable and mobile Employees using multiple devices without wired ports Remote Offices & Workers

(C) 2010, Aruba Networks Inc. CONFIDENTIAL Headquarters Fundamental Change in the Data Center Enterprise data & applications are no longer ‘local’: Server virtualization Data center consolidation Software-as-a-Service Cloud computing

(C) 2010, Aruba Networks Inc. CONFIDENTIAL Our Vision The leader in distributed enterprise network solutions Right-sized networks and simplified operations for Global 2000 Mid-tier enterprises Government, health and education organizations

(C) 2010, Aruba Networks Inc. CONFIDENTIAL Rightsizing The Campus Edge

(C) 2010, Aruba Networks Inc. CONFIDENTIAL Device Preferences Have Changed 100% 80% 60% 40% 20% 0% Source: Dell’Oro Group

(C) 2010, Aruba Networks Inc. CONFIDENTIAL More Users, Fewer Ports for Campus 12 VoIP phones 7 desktop PCs 5 laptop PCs 1 Wireless AP (mobile devices, guests, etc.) 6 conference room and public area ports 5 other devices (printer, copier, fax, etc.) 12 ports (reserved for future use) AP Wireless: Efficient access method that reduces the required number of Ethernet ports and cuts costs Rightsized Edge (1:many ratio of ports to users and devices) Existing Wired Network Edge (1:1 ratio of ports to devices) Representative 12-person Workgroup Rightsizing the campus network means: Fewer switches to manage and support Lower cabling, cooling and power bills Reduction in annual maintenance and support fees

(C) 2010, Aruba Networks Inc. CONFIDENTIAL Key Windows of Opportunity Greenfield Network Closet Refresh Hoteling Move, Add, Change IT Budget Cuts Network Expansion

(C) 2010, Aruba Networks Inc. CONFIDENTIAL Global services organization constructing new facility Plan for ~3,000 network users KPMG Prior Standard (4+ wired ports/user, no wireless) 12,000 Cable pulls: $2,400,000 ~50 Cisco 6506,~260 blades: $3,000,000 Total$5,400,000 Rightsized Network Edge (2 wired ports/user, pervasive wireless) 6,000 Cable pulls: $1,200,000 ~25 Cisco 6506,~130 blades: $1,500, n APs and Controller: $650,000 Total$3,350,000 Reduced initial cap ex by $2M+ and cut recurring costs $768K/year

(C) 2010, Aruba Networks Inc. CONFIDENTIAL Challenge Solution Results Wired Edge Costs Of Running The Edge Rightsized Edge California State University (CSU) Rightsized network edge Decommissioned unused ports Shrank 90% of wiring closets Saved ~$30 Million (cap ex, support fees, power consumption, etc.) Savings funded pervasive WLAN Overall bandwidth usage increased Find new network edge solution—40% of existing ports had zero usage

(C) 2010, Aruba Networks Inc. CONFIDENTIAL Rightsized Branch Network

(C) 2010, Aruba Networks Inc. CONFIDENTIAL Workforce Distribution Size of Office Number of Offices CampusHomeRegional/Branch One Thousands IT Services Basic Complete GAP

(C) 2010, Aruba Networks Inc. CONFIDENTIAL Multi-Service Router Architecture DATA CENTERINTERNETREMOTE SITE WEB2.0 SECURITY WAN OPTIMIZATION CONTENT FILTERING FIREWALL / VPN ROUTING SWITCHING

(C) 2010, Aruba Networks Inc. CONFIDENTIAL Costs Multiply For Distributed Enterprise DATA CENTERINTERNETREMOTE SITE WEB 2.0 SECURITY WAN OPTIMIZATION CONTENT FILTERING FIREWALL / VPN ROUTING SWITCHINGx

(C) 2010, Aruba Networks Inc. CONFIDENTIAL Cloud-Based Networking Lowers Costs DATA CENTERINTERNET WEB2.0 SECURITY WAN OPTIMIZATION CONTENT FILTERING FIREWALL / VPN ROUTING SWITCHING Cloud Services

(C) 2010, Aruba Networks Inc. CONFIDENTIAL Self-Installing, Affordable Edge Devices REMOTE AP NETWORK OPERATIONS CENTER Centralized Management Lowers Lifecycle Costs Cloud Services

(C) 2010, Aruba Networks Inc. CONFIDENTIAL Cut Branch Networking Costs in Half! 3G backhaul (branches) Plug-n-Play installation Central revocation Guest access (branches) Security 802.1X access control Content security Wi-Fi compliance Application Acceleration 8x5xNBD 75 Branch Offices 300 Home Offices 75 Branch Offices 300 Home Offices List Prices Shown

(C) 2010, Aruba Networks Inc. CONFIDENTIAL Federal Deposit Insurance Corporation Aruba VBN solution End-to-end security Fast provisioning with low administrative overhead Leverage low-cost commercial-grade DSL connections Agency IT contracts to obtain T1 or similar connection IT onsite to set up and manage Ethernet switches, VPN clients and concentrator, phones, and key system Challenge Solution Results

(C) 2010, Aruba Networks Inc. CONFIDENTIAL Challenge Result Solution Checkers Drive-In Restaurants, Inc. High cost of MPLS service. Telco install process slowed new-store rollout. RAP-5wn in each store provides local connectivity & secure connection to data center for PoS reporting Fast installation performed by the restaurant manager Leverage standard 3G data service – no telco installation Integrated PCI compliance

(C) 2010, Aruba Networks Inc. CONFIDENTIAL User-centric Distributed Enterprise Network Rightsize the network infrastructure KEY: Aruba security, performance, and manageability Eliminate cost and complexity KEY: Centralized management and no-touch provisioning Campus LANBranch & Teleworker Consistent user experience across any location, device or application Mobile & Remote Workers Extend secure access to remote users KEY: Remote access clients integrated with user-centric security framework

(C) 2010, Aruba Networks Inc. CONFIDENTIAL Aruba’s Unified Access Architecture Centralized controller-based architecture simplifies the operation of a distributed network

(C) 2010, Aruba Networks Inc. CONFIDENTIAL New Network for the Distributed Enterprise Employees Contractors Partners Suppliers Guests PCs Printers Phones Cameras Machines Multiple users Multiple devices Multiple policies

(C) 2010, Aruba Networks Inc. CONFIDENTIAL Aruba Solution Ecosystem Management Platform Mobility Controller Enterprise-Class Access Devices Remote and Branch Devices Content Security Guest Access & Identity Management Intrusion Prevention and Detection Spectrum Management QoS (Voice/Video) Location and Tracking Application Acceleration Fixed Mobile Convergence

(C) 2010, Aruba Networks Inc. CONFIDENTIAL Only Aruba Delivers Secure Mobile Access ReliableManageableScalableSecure Adaptive Radio Management delivers consistent performance for users and devices AirWave Network Management centrally controls multi-vendor networks Highest Performance Controllers scale across enterprise User Centric Security makes wireless more secure than wires NYMEX Trading Over WLAN Verizon, BT Managed WLAN services Microsoft >11,000 APs >80,000 users U.S. Air Force Meets DoD security policy

(C) 2010, Aruba Networks Inc. CONFIDENTIAL Adaptive Radio Management (ARM) With ARM No touch deployment, ensured connectivity, highest performance No manual labor for RF management High capacity multi channel Live tracking and visuals Guarantees fairness and fast roaming Works with any device QoS for any application Supports high density voice, video, data Mitigates RF interference Controls user bandwidth

(C) 2010, Aruba Networks Inc. CONFIDENTIAL AirWave Network Management Easier to deploy, configure, operate and troubleshoot Legacy WLAN Management Location Tracking Wireless LAN Management Wired Switch Management Mobile Device Management Competitors Offer Proprietary, Multi-Product Solutions Advanced Wireless Security One powerful, purpose-built software platform that scales to manage the largest enterprise networks

(C) 2010, Aruba Networks Inc. CONFIDENTIAL User Centric Security Continuous Compliance Monitoring for Sensitive Data Zero-Day Attack Detection and Protection User Quarantine vs. User Blacklisting Single Infrastructure Differentiated Access By User, Device, App By Time, Location Corporate Services Guest Finance Legal HR Executive Virtual AP 1 SSID: Corp Virtual AP 2 SSID: GUEST DMZ AAA FastConnect RADIUS LDAP AD Captive Portal Role-Based Access Control Access Rights Secure Tunnel To DMZ SSID-Based Access Control Staff Contractors Voice Video Guest

(C) 2010, Aruba Networks Inc. CONFIDENTIAL 8,000 access points 128,000 users Highest Performance Controllers ASA Firewalls Cisco 5508 WLAN Controllers Fewer gears More power-efficient Fewer operating systems Less space in data center Highest performance

(C) 2010, Aruba Networks Inc. CONFIDENTIAL