Advent SPAC Presentation Deck

Enabling the Hydrogen Economy Cost Any Fuel Hydrogen Natural Gas 7 eFuels Ethanol Current Methanol Ammonia 7 BOSSENE BASERES Sources: Bloomberg New Energy Finance, Global Data. MEA Membrane Electrode Assembly Anywhere Extreme Heat (+55°C) Freezing Temperatures (-20°C) Increasing Range of Applications For every GW of market size, Advent has the potential to earn an estimated $100 million by driving down costs and improving capabilities Pollution High Humidity Future www.advent.energy Advent Primary Applications Transportation Off-Grid Power Generation HCV, Municipal Bus 00 Market Size 2040 ~100-700GW -250-500GW ~40-100GW AMCI ADVENT Acquisition Corp. 23

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