Advent SPAC Presentation Deck

Fuel Cell Market Opportunity Advent revenue expected to be ~$100m per GW TYPICAL SIZE OF ONE UNIT MARKET SIZE 2040 OFF-GRID, CHP STATIONARY 1-5kW 250-520GW PASSENGER, COMMERCIAL EV 15-30kW 120-680GW Fuel cells & hydrogen production can be a $50 billion market by 2030 driven by well-established global policy support EVTOL, COMMERCIAL DRONE, PORTABLE REMOTE POWER 1-30kW -20GW(1) 00 00 HEAVY-DUTY TRUCK MUNICIPAL BUS 100kW+ 40-100GW 7 Sources: Global Data, Bloomberg New Energy Finance. (1) Management Estimates. (2) Assumes licensing fees are equal to 5% of customer's fuel cell sales and 30% of MEA cost. www.advent.energy Customer's Power Requirements Advent Target Cost per kW (2025) MEA Sales Revenue Licensing Fees (2) Total Revenue to Advent Per GW 1 GW $80/kW $80M $16M $96M AMCI ADVENT Acquisition Corp. 16

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