31 ADVANCED NUCLEAR | DEVELOPER X-ENERGY, LLC X-energy is a nuclear reactor and fuel design engineering services company developing Generation IV, high-temperature gas-cooled nuclear reactor designs that are smaller, simpler and meltdown- proof when compared to conventional nuclear designs. Location: Greenbelt, MD Founded: 2009 Principal/CEO: Sam Ghaffarian Major Investors: N/A Technology Class: Gas cooled Reactor Type: High temperature gas cooled pebble bed reactor Power Output (MWe/MWT): 76 MWe / 200 MWt Federal Engagement: DOE, GAIN, ARPA-E, NRC Preferred Point of Contact: Jeff Harper / jharper@x-energy.com www.x-energy.com