Melrose Investor Day Presentation Deck

Customers/ Partners Value Proposition Melrose Buy Improve Sell A modular system for many needs ● ● Biro Micro grids & residential buildings ● C+0 SIA GRÖNER GROUP BG Zurlinden Die 2000-Watt-Genossenschaft Clean Power - CO₂ optimized Increase renewable sources Avoid CO₂ penalties Safety Industry / transportation ● ● ● DUMA Engineering ● Durability Safety Compactness ● • Scalability Integration ● ● ● ● Power back-up STATE OF CALIFORNIA ENERGY COMMISSION CALIFORNIA ENERGY COMMISSION Safety Reliability Lifespan Zero Hazard ● Autonomy ● tempo TECO 2030 Robustness Safety • Flexibility ¡HAT Zero Hazard Digital accessibility 4 demonstrators in place, 11 more planned in 2021 AN> Nedstack PEM FUEL CELLS Strong strategic partnerships GKN HYDROGEN Enapter 32

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