Whirlwind Networks, Inc. October 2001 (650) Rapid Workspace Secure Collaboration Rapid & Dynamic Networks Ease of Use

Whirlwind Networks, Inc. October 2001 (650) Market Secure Collaboration $2.4 B* by 2004 Collaboration & Online Communication $10 B - $14 B Information Security (Worldwide) $21 B by Users (Worldwide) 260,000,000 by 2004 Federal, State, & Local IT $96 B with 6% CAGR Fortune 1000 Pharmaceutical R&D IT $300 M Sensitive Research and Intellectual Property * Multimedia Telecommunications Market Review & Forecast: 219, February 13, 2001

Whirlwind Networks, Inc. October 2001 (650) Remote Ops Field Crisis Response Secure, Dynamic, and Rapidly Formed Main Ops

Whirlwind Networks, Inc. October 2001 (650) Landscape NonePasswordEncrypted Transfer Encrypted Storage Strong Authentication & Non-Repudiation ++ Platform Application Enterprise Workflow Target Market Application + Security Focus Rapid Workspace

Whirlwind Networks, Inc. October 2001 (650) Communication not collaboration 3 2 2

Whirlwind Networks, Inc. October 2001 (650) Rapid Workspace View Connections

Whirlwind Networks, Inc. October 2001 (650) Plan: Start-up Phase Direct SalesWeb download, Enterprise, Government cycles Price$1000 per license, 20% maintenance (non ASP) Marketing & Sales41 people by year 4 Engineering24 people by year 4 Time to MarketVersion 1 within 9 months

Whirlwind Networks, Inc. October 2001 (650) Plan: Seed Phase Resources  $600K seed funding  $60K / mo burn rate  4 – 5 people Goals  VP, Sales/Mkt/Biz Dev  Version 1  Customer contract

Whirlwind Networks, Inc. October 2001 (650) Team Keith V. Lucas President & CEO Erik Cassel VP, Engineering Jeff Holt Director, Operations Charlie Minter Government Sales (contractor) Mario Rosati WSGR Dave Baszucki Founder & CEO, Knowledge Revolution Pete Goettner Founder & Chairman, DigitalThink Kevin Surace Founder & CEO, Perfect Commerce (B) (A)

Whirlwind Networks, Inc. October 2001 (650) Questions

Whirlwind Networks, Inc. October 2001 (650) Unique Proposition Strongest security Intellectual property management capture and data encapsulation Time-based project browsing Encrypted searches

Whirlwind Networks, Inc. October 2001 (650) SAM Calculation SAM estimated at $2.4 B  Groupware market size *  ~ 7% of the collaboration and security markets  ~ 2.5% of federal, state, and local IT budgets  ~ 1.5% of all users ( $50/user/mo) * Multimedia Telecommunications Market Review & Forecast: 219, February 13, 2001

Whirlwind Networks, Inc. October 2001 (650) Income Statement

Whirlwind Networks, Inc. October 2001 (650) Income Plot

Whirlwind Networks, Inc. October 2001 (650) Cash Flow Plot