Advent Investor Day Presentation Deck

Technology ADVENT HT-PEM = Long Lifetime. ADVENT HT-PEM LIFETIME / 60 [HR TO 10% VOLTAGE LOSS] FUEL FLEXIBILITY [CO TOLERANCE / 1000 (PPM)] RESILIENCE - HIGHEST TEMP 200 100 LT-PEM RUNS HUMID OR DRY [% RH DELTA] PEAK POWER/ 10 [mW/cm2] Wet- Dry HT PEM: 80% RH DELTA LT PEM: 50% RH DELTA Works ANYWHERE Reliance to heat HT PEM: upper operating T = 200-240 °C LT PEM: upper operating T = 80 °C Lifetime (time to 10% voltage drop) HT PEM: 10,800 hrs LT PEM: 3,600 hrs Resistance to pollution and hydrogen impurities HT PEM: can function with up to 4% carbon monoxide LT PEM: 10 parts per million Hot/Dry Polluted Air Humid Cold

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