Advent Investor Day Presentation Deck

Stationary Power Systems ADVENT Total Cost of Ownership: Fuel Cell vs Diesel Genset Advent 2024 $0.9/kWh Service H₂ Fuel Capex ↓ 95%+ GHG reduction vs diesel with e-methanol Diesel Genset $1.5/kWh Service Diesel Capex 450 € 400 € 350 € 300 € 250 € 200 € 150 € 100 € 50 € 0 € -50 € Cumulative Cost of Multiyear Deployment: (cost in 000s. 3.75kW, 10year operation, 24hrs/day) I 1 2 3 4 5 6 Fuel Cells - TCO acc 7 8 Diesel Genset - TCO acc ■ROI 10 7

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