San Francisco Toronto Dallas Ottawa The Blunt Edge of American Broadband: the future of the broadband local loop Gilder/Forbes Telecosm Conference August 2003 Yatish Pathak Chief Executive Officer SOMA Networks

PROPRIETARY AND CONFIDENTIAL Profitable Last-Mile Wireless Solution Reach local markets rapidly & cost-effectively Reach broadband, voice & application segments Reach strong ROI Expanding the Reach of Communications Providers

PROPRIETARY AND CONFIDENTIAL SOMA Networks – Company Overview Milestones –Founded 1998 –Over 240 patent applications –December 2001 trials with major operators –March 2002 commercial availability –July 2002 first commercial customer rollout –September 2002 NTT first market deployment –In 2003 the SOMA™ Solution has been deployed on four continents Major Partners –Sharp (CPE) –Solectron (Manufacturing) –Samsung (ASIC) –Qualcomm (CDMA) –SAIC/Telcordia (Systems Integrator) –LCCI (installation and service)

PROPRIETARY AND CONFIDENTIAL The Blunt Edge: Residential Broadband Local Loop Penetration in America - 13% in 2002 Challenges: Price is too high Installation is too complicated –Truck rolls –Half day appointments –Software installation Call centers Limited reach / availability Often faster isn’t enough of a value proposition –Must offer bundled multi-service applications Q Residential Broadband penetration according to The McKinsey Quarterly, 2003 Number 2, “Making Sense of Broadband” Why isn’t the US attaining penetration levels similar to the 54% residential penetration found in South Korea?

PROPRIETARY AND CONFIDENTIAL The SOMA Solution GoalParametersCapabilitiesTechnologySOMA Solution Low capital costs Low entry costs ($/home) Scale: pay as you grow ($/sub) Large cell radius Flexible capacity additions Licensed spectrum for maximum tx power Good receiver sensitivity SOMA™ macro base station and SOMAport™ subscriber terminal Large Radius PCS (1.9 GHz) WCS (2.3 GHz) MMDS (2.5 GHz) 3.5 GHz

PROPRIETARY AND CONFIDENTIAL The SOMA Solution GoalParametersCapabilitiesTechnologySOMA Solution Low capital costs Low entry costs ($/home) Scale: pay as you grow ($/sub) Large cell radius Flexible capacity additions Licensed spectrum for maximum tx power Good receiver sensitivity SOMA™ macro base station and SOMAport™ subscriber terminal Low operational cost Low cost installation Minimal customer support Self-service install Self-service activation Non-line-of-sight Intelligent subscriber terminal SOMAport subscriber terminal

PROPRIETARY AND CONFIDENTIAL The SOMA Solution GoalParametersCapabilitiesTechnologySOMA Solution Low capital costs Low entry costs ($/home) Scale: pay as you grow ($/sub) Large cell radius Flexible capacity additions Licensed spectrum for maximum tx power Good receiver sensitivity SOMA™ macro base station and SOMAport™ subscriber terminal Low operational cost Low cost installation Minimal customer support Self-service install Self-service activation Non-line-of-sight Intelligent subscriber terminal SOMAport subscriber terminal High revenue opportunity Bundled Services Landline quality voice High megabit data Applications Landline quality voice High megabit data Applications SOMA SoftAir™ platform

PROPRIETARY AND CONFIDENTIAL The SOMA Solution GoalParametersCapabilitiesTechnologySOMA Solution Low capital costs Low entry costs ($/home) Scale: pay as you grow ($/sub) Large cell radius Flexible capacity additions Licensed spectrum for maximum tx power Good receiver sensitivity SOMA™ macro base station and SOMAport™ subscriber terminal Low operational cost Low cost installation Minimal customer support Self-service install Self-service activation Non-line-of-sight Intelligent subscriber terminal SOMAport subscriber terminal High revenue opportunity Bundled Services Landline quality voice High megabit data Applications Landline quality voice High megabit data Applications SOMA SoftAir™ platform Low Risk Proven technology Scalability and reliability W-CDMA SOMA SoftAir™ platform

PROPRIETARY AND CONFIDENTIAL The SOMA Solution Best business case –Least cost solution least cost of coverage least cost of capital per subscriber least operational cost –Highest revenue opportunities –Least technology and business risk Built on best wireless/software technology –Highest path loss for maximum cell size and least cost of coverage –Industry-leading radio capacity for maximum Bps/Hz –Industry’s only “Smart Pipe” system maximum subs/Hz yielding maximum profit/Hz enhanced services revenue