WiMAXWiMAX Brought to You By Intel, Sprint &

Sriram Viswanathan Vice President, Intel Capital General Manager, WiMAX Program Office GrowingGrowing WiMAXWiMAX MomentumMomentum

“Toshiba sees WiMAX as an important technology to deliver cost-effective broadband wireless technology to our products. Toshiba is working with Intel closely to enable WiMAX technology into our products and plans to ship WiMAX enabled various products next year with Intel's WiFi/WiMAX module.” Hidejiro Shimomitsu, President and CEO, PC & Network Company

“I think the big thing you're going to see is that as people get used to high-speed connectivity anywhere that they are, they will start using their notebooks in ways that they haven't used them before. Any element like that is good for my business” Peter Hortensius, Senior V.P., Notebook Business Unit GlobalGlobal CarrierCarrier InterestInterest growsgrows SupportedSupported byby newnew spectrumspectrum

y Vodaphone & Sony Ericsson join the WiMAX Forum y WiMAX Forum holds 3 successful mobile plug fests y Major global device manufacturers announce support for WiMAX Devices at 3GSM’08 y Mobile trials pass 120 in 46 countries, Fixed trials and deployments pass 220 in 52 countries GlobalGlobal leadershipleadership BeginningBeginning inin thethe USUS

Names and Trademarks Are The Property of Others Get Ready for Xohm

Atish Gude Senior Vice President , Business Operations Xohm. A Sprint Nextel Business Unit Next Evolution of Internet Access

Voice +

Wiirrelleessss DDrrivivinging GrGrowtth The mobile phone Growth The mobile phone Coming from Wireless • E-mail

1992 -> 2008 3x Growth In Total Usage Cellular functions as the Wireless functions as the Voice Minutes • Pictures • Music “Swiss“Swiss ArmyArmy KnifeKnife ofof Traditional Wireline Voice Minutes 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 • Business Apps Devices”Devices”

1G 2G 3G Evolution centered around VOICE

Brroadbdbaand Drriivviingg Grroowtth HighHigh throughput,throughput, Broadband Broadband IP Connectivity Subscribers always-always-onon accessaccess toto

Narrowband Subscribers (Internet) 2003 2004 2005 2006E 2007E 2008E 2009E 2010E contentcontent rriichch applicationsapplications andand Fixed Mobile servicesservices Dial-Up Broadband Internet Evolution Centered Around THE INTERNET

6 Embedded Model: Changing the Subsidy Paradigm

Traditional Wireless Mobile Internet • The device is •Embedded mobile broadband the customer •Device optimized •The carrier on a particular use subsidizes the •Customer buys the device and devices from their manages the retail store at non- supply chain subsidized retail •Contracts and prices cancellation •Freedom to purchase a subscription, ad hoc penalties are usage, or a particular service required to recoup the subsidy

7 The Ecosystem

Network / Infrastructure

Infrastructure: Motorola, Nokia, Samsung Implementation: Alcatel Lucent, Ericsson

Sales, Subscriber Distribution, Equipment Care & Billing Xohm Samsung, Nokia, Sprint Sales, WiMAX Ecosystem ZyXEL, ZTE, Intel, Retail, OEMs, and PC OEMs others; Amdocs, IBM

Services, Traditional ● UMPCs ● Laptops ● Cameras ● Applications & Content Portable Music ● Gaming ● Inventory Providers: Tracking ● Telematics Sprint, IBM, ● Video Recorders ● Google Navigation

Remote Corporate Surveillance Programming Intranet Field Apps Gaming Video Chat & Blog

Video Conf Movie s 8 Home Monitoring Music Videos Three Imperatives for Xohm Innovation Multimedia Solutions Innovation in Distribution: Visual Centric, Interactive, Personal Broadband • Chipsets: Single chip WiFi + WiMAX 1• Devices: Embed chipsets in mass market laptops and consumer electronic devices • Distribution: Leverage consumer 2 electronics sales distribution channels Affordable Service Pay as You Go, Pre-paid, or Monthly Subscription3 The Xohm Advantage

Embedded The customer gets more choice at lower cost and with greater ease-of-use Devices

Enables mass market use of high bandwidth Performance applications with a much better user experience

Access to applications and content when Mobility and where you need it 9 Top U.S. Markets by end of 2008

Early 2008 2009 - 2010 Madison Washington DC Milwaukee Chicago Orlando Cape Coral West Palm Beach 2008 Miami Boston Providence Austin Tucson New York San Antonio Oklahoma City Houston Tulsa Pittsburgh Phoenix Wichita Cleveland Las Vegas Lansing Cincinnati Los Angeles Columbus Detroit San Diego Richmond St. Louis Tampa Virginia Beach Kansas City Toledo

States in blue have at least one Sprint launch metro area

• Map represents only the main metro areas and is not a complete depiction of the coverage. The plan is subject to change. • 100M POPs covered by YE 2008 include coverage by Sprint and Clearwire

10 11 ClearwireClearwire Update:Update: DeliveringDelivering PersonalPersonal BroadbandBroadband TodayToday

John Saw, Ph.D Chief Technology Officer Clearwire ClearwireClearwire’’ss Mission:Mission: ToTo ProvideProvide thethe SimplestSimplest WayWay toto EnjoyEnjoy AllAll thatthat thethe InternetInternet hashas toto OfferOffer…… AnytimeAnytime andand AnywhereAnywhere Clearwire

Š We Are Leading the Emerging Personal Broadband Category: ƒ March 2007 IPO ƒ World’s Largest Residential Broadband Wireless Operator ƒ ~ 300K customers (June 2007) ƒ 1700+ Employees ƒ Launched WiMAX trial in 2007. Commercial WiMAX Launch 1H’08 in the US

Š We are Global and Growing our network footprint: ƒ Large, Global Spectrum Position that passes more 14 than 400M people globally Clearwire Customers are Coming From…

Cable 40%

40% DSL Dial-up 29% 35% 27% 30% 25% 20% Never had Internet service Cellular 15% Other Wireless 6% Satellite 4% 4% 10% 2% 5% 0%

However, almost 1 in 5 customers are using Clearwire’s Residential Service in addition to their existing ISP services

Survey conducted of new customers during May 2007 Intelligent Capture & Exchange 15 WiMAX 802.16e Trial : Portland, OR Alpha Trial 15 sq mi Beta Trial 145 sq mi General Avail. 700+ sq mi

16 We Have Just Begun ….

Residential Gateway PC Card Embedded WiMAX Mobile Devices

Today Q3/Q4’07 2008 ‘08/’09

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