Advent Investor Day Presentation Deck

Technology ADVENT How Advent Developed the HT-PEM Technology First LT-PEM fuel cells 1960s Acquisition of UltraCell. Serenergy and fischer eco solutions GmbH 2021 Advent HT-PEM Gen 1 2006 Silicon Valley product dev for next gen fc system R&D with NASA, ESA, DOE ESA DOE 2012 NASA New Boston & Europe production facilities under construction Advent-BASF HT-PEM Gen 2 2013 BASF Successfully demonstrates ion pair alone and in system Honey Badger DoE selects Advent for L'Innovator Joint Dev. Program 2018 LOS ALAMOS BROOKHAVEN Mobility next-gen Fuel Cell under development NREL Enters into tech assessments and aims to bring ht-pem to all key markets with partnerships scale up production to GWS HT-PEM Gen 3 launch with LANL 2021 New tech in HB and Serene (own systems) will drop cost and increase Lifetime massively مند 8

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