Allego Investor Presentation Deck

Strong Revenue Visibility from Secured Backlog and Pipeline Operational Allego> Secured expansion Future expansion plans 1. Reflects the exercise of Mega-E purchase option. Source: Company Information, Data as of June 30, 2022 # of ports Total Allego Owned Fast and Ultra-Fast Charging Ports¹ Existing Presence ~900 Sites 1,293 Public fast charging ports in operation Secured Backlog ~1,100 Sites Backlog up ~46% since year-end 2021 and 120% vs. prior-year period Utilization trend validated 7,893 ~6,600 10- to 15-year leases or MOUS have been signed for premium sites Pipeline 1,000 Additional Sites Exclusivity secured 13,893 ~6,000 M Additional premium sites identified Exclusivity in discussion 39

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