Allego Investor Presentation Deck

Understanding the EV Charging Landscape Own & Operate Services Power Allego Allego> Minimum Time to Charge to 125 Miles (from 20% to 80%)² Target Locations Average Price per Charging Session (40kWh)² Targeted Long-Term Gross Margin Allego> 1300 ULTRA-FAST CHARGING Go-forward focus ~150 - 350kW 7 minutes Public, Major Roads, Retail ~$30 55% Compares to average cost of 125 miles of gasoline: ~$40³ FAST CHARGING Source: Company information, French Ministry of the Economy. (1) AC charging expected to be de-emphasized going forward. (2) (3) ~50kW 48 minutes Public, Major Roads, Retail ~$21 55% Full suite of charging solutions for all end users and locations AC CHARGING ont ~11kW 216 minutes Public, Workplaces, Homes ~$17 40% 40 kWh charge corresponds to charging, from 20% to 80%, an "average battery" of ~70kWh and provides 125 miles additional range. Assumes fuel prices of €2.314/liter and fuel consumption of 8 liters/100 kilometers based on data from the French Ministry of Economics; excludes recent government tax abatements and other incentives; at exchange rate of Euro/USD 1.07 as of May 31, 2022. 27

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