Allego Investor Presentation Deck

Proprietary Software Drives Competitive Edge in Charging Site Selection and Management Allamo™M-Owned Site Identification/ Assessment Allows Allego to select premium charging sites to add to its network ● ● ● 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 Identify premium sites Forecast demand at site using external traffic statistics Build robust business case around site and determine returns potential Allego> ■ 1 Site Model Forecast (kWh/day) Accuracy Improves with Larger Batch Sizes¹ 10 Sites 20 Sites 30 Sites 50 Sites 1. Ratio (Forecasts/Actuals) depends on sites' batch sizes Source: The European Commission and Wall Street research Allego EV CloudTM - Uptime and Payment Optimization Sophisticated CPO tool providing all essential services to owned and third-party including Site onboarding and technical layout Authorization and billing Smart charging and load balancing Analytics and customer support ● I ■70 Sites I 100 Sites R² = 0.76 High predictability enables strong profitability Increases O&M margins and secures high margin third- party services contracts 31

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