Advent SPAC Presentation Deck

Next Generation Technology Accelerates Clean Energy Transition Need for Power max Wh/kg 5000-10000Wh/kg 500-1000Wh/kg Idle most of the time Easy to refill Small battery -100-200Wh/kg 2hrs autonomy BATTERY EV wo Possible to do EV only, but fuel cell hybrid is more practical and still electric 4hrs Fuel cells solve for issues that cannot be solved by batteries alone BATTERY + FUEL CELL HYBRID www.advent.energy 8hrs True net-zero (not grid-dependent) with green fuels continuously, 0 00 OC 12hrs+ Operates many hours impossible to have large battery, weight and volume limitations FUEL CELL d ****** Mì Need for Range max km fast refill AMCI ADVENT Acquisition Corp. 21

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