Buoyant Airborne Turbine Rural Energy, Telecom, Security 9/04/2015 CONFIDENTIAL

Video https://www.youtube.com/watch?v=kldA4nWANA8

Dr. Ken Caldeira, Stanford University Carnegie Institution Highlights “High altitude winds have enough energy to power the Earth one hundred times over.” Dr. Ken Caldeira, Stanford University Carnegie Institution Altaeros will provide low cost, flexible power to remote customers by commercializing the first airborne wind turbine, using proven technology.

The Origin of Altaeros Ben Glass MIT Aero/Astro Grad Student Sheila Widnall MIT Aero/Astro Professor Former Secretary U.S. Air Force Is there a reliable lifting platform that can deliver low cost renewable power from strong high altitude winds? CONFIDENTIAL

Aerostats – Tethered Helium Inflatables “In modern military use, aerostats are recognized as cost-effective, survivable systems capable of providing enhanced ISR, communications and force protection capabilities to numerous operational scenarios.” LTA Vehicle Summary Report, 2012 Office of the Asst. Sec. of Defense for Research and Engineering

High Altitude Winds: Powerful and Consistent Wind Power Density vs. Height 2X Speed 8X Power Density 0 400 800 1200 Wind Power Density [W/m2] compared to winds accessible to tower-mounted turbines 30 60 90 120 180 240 300 600 Height [m] 350 feet (Tower-Mounted Turbine) 2,000 feet (High Altitude Turbine) Source: Joby, Archer, Stanford, 2009.

BAT Prototypes Pre-SBIR

SBIRs (2010-2015) Other State-Level R&D Funding Phase 1 –2011 (applied 5 months after company formed) Phase 2 - 2012 Phase 1 - 2013 Phase 2 – 2014-2016 Other State-Level R&D Funding CONFIDENTIAL

Buoyant Airborne Turbine (BAT) Consistent, Low Cost Energy 2-3x higher capacity factor than solar/wind 80% lower install cost than wind Rapid Deployment, Flexible Operation Containerized transport, one day setup Automated controls, passive stability Minimal environmental and noise impact Non-Energy Services Internet, cellular, imaging, sensing Shell Turbine Tethers Ground Station ©Valentin Angerer Photographer

Remote Power and Microgrid Market1 Applications Power Generation Utility, Government Mining Oil & Gas Construction Telecommunications LTE Broadband Services Broadband Fixed Wireless Temporary coverage/capacity Emergency Networks Security and Sensing Military Border Surveillance Refugee / Post-Disaster Scientific Monitoring $17B Remote Power and Microgrid Market1 CONFIDENTIAL

Example: BAT Construction Deployment ©Valentin Angerer Photographer

Military Applications Expeditionary Bases Large Bases Border Security 30kW ISR payload 90% lower cost of energy than remote genset Rapid deployment, resistant to small arms fire Multiple 200kW units Communication and ISR Enhanced energy security and cost reduction Flexible siting, no permanent footprint 30-200kW power generation ISR Payload Containerized, Rapid Deployment Expands Current TARS US-Mexico Border Program 12

SBIR catalyzed over $7M in commercialization funds $730K cost share Alaska Energy Authority Fairbanks Demonstration Project $7M+ Corporate Series A Venture Funding CONFIDENTIAL

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