1. © 2012 Halotechnics, Inc.CONFIDENTIAL1 Solar/Fossil Hybrid Plants: Deploying Renewables by Leveraging Existing Energy Infrastructure Justin Raade, PhD CEO and Founder jraade@halotechnics.com 510-547-2634

2. © 2012 Halotechnics, Inc.CONFIDENTIAL2 The Halotechnics story 2008200920102007 Dr. Justin Raade begins molten salt research at Symyx $1.5 million DOE grant awarded for molten salt R&D Breakthrough salt mixtures discovered Halotechnics founded, spins out of Symyx to commercialize products 2011 NSF SBIR grant awarded for CSP materials R&D 2012 $4.3 million from ARPA-E and NREL for advanced thermal storage R&D Halotechnics Saltstream technology solves a key bottleneck in reducing emissions from thermal power plants

3. © 2012 Halotechnics, Inc.CONFIDENTIAL3 Rapid materials screening Novel materials unlock the most significant advances in technology >Proprietary software and automated lab equipment >Can screen up to 100 mixtures/day >Screened over 20,000 mixtures to date

4. © 2012 Halotechnics, Inc.CONFIDENTIAL4 The sun is the ultimate source of energy

5. © 2012 Halotechnics, Inc.CONFIDENTIAL5 Solar thermal hot spots United States: 5 GW solar thermal by 2020 Standalone solar with storage China: 1 GW solar thermal by 2015 Solar/coal hybrids Saudi Arabia: 25 GW solar thermal by 2022 Solar/gas hybrids Saltstream 700 enables advanced solar thermal power

6. © 2012 Halotechnics, Inc.CONFIDENTIAL6 Solar thermal power turns the sun’s heat into electricity Leverages existing turbine technology in today’s thermal power plants Hybridize coal plants with supercritical steam from solar energy Hybridize natural gas plants by pre- heating combustion air with solar energy Saltstream 700 Reduce emissions and fuel consumption with solar energy

7. © 2012 Halotechnics, Inc.CONFIDENTIAL7 China’s appetite for coal Economic growth is Priority #1 New coal plants deploying at 900 MW per week China must clean up its coal  Use solar thermal energy with Saltstream 700

8. © 2012 Halotechnics, Inc.CONFIDENTIAL8 High Low China solar resource

9. © 2012 Halotechnics, Inc.CONFIDENTIAL9 Current coal plants – 720,000 MW

10. © 2012 Halotechnics, Inc.CONFIDENTIAL10 Current coal plants – 720,000 MW 2200 km transmission line to connect the sun to the demand

11. © 2012 Halotechnics, Inc.CONFIDENTIAL11 Current coal plants – 720,000 MW In 5 years

12. © 2012 Halotechnics, Inc.CONFIDENTIAL12 Current coal plants – 720,000 MW In 5 years In 10 years

13. © 2012 Halotechnics, Inc.CONFIDENTIAL13 Hybrid solar/coal plants Saltstream 700 enables solar generated steam at full quality – no compromise COAL 620 ° C steam Steam turbine Saltstream 700

14. © 2012 Halotechnics, Inc.CONFIDENTIAL14 Saudi Arabia must conserve oil for export Most electricity comes from burning oil – cheap power, but huge opportunity cost Power generation capacity to double by 2020 Saudi Arabia must stretch its gas to conserve its oil for export  Use solar thermal energy with Saltstream 700

15. © 2012 Halotechnics, Inc.CONFIDENTIAL15 GAS AIR EXHAUST Gas turbine Com- pressor Hybrid solar/gas plants Saltstream 700 preheats combustion air and reduces natural gas consumption Saltstream 700

16. © 2012 Halotechnics, Inc.CONFIDENTIAL16 5 kW System validation of Saltstream 700 Lab scale thermal storage system (30 kWh, 300 kg salt) Funded by $1 million NREL SunShot Incubator award HOT TANK

17. © 2012 Halotechnics, Inc.CONFIDENTIAL17 Solar/Fossil Hybrid Plants: Deploying Renewables by Leveraging Existing Energy Infrastructure Justin Raade, PhD CEO and Founder jraade@halotechnics.com 510-547-2634