Allego Investor Presentation Deck

Demand Continued to Grow, and Visibility Remains High Total Number of Charging Sessions (in '000') 85 439 2015-2021 CAGR: 104% 77% 1,035 2018 2015 2016 2017 2018 2019 2020 2021 79% 1,702 2019 2,969 Allego> User Track Record on Allego's Network¹ (in % recurring users) 3,701 82% 2020 80% 6,120 2021 2Q21 (1) (2) (3) (4) 1Q21 82% 2,551 1,389 1,162 4,443 1H2021 2,305 2,139 1H202 11H2022 80% 2Q22 1H2022 1Q22 Charging Sessions Increasing with High Recurring Users Allego's network handled over 2.3 million total charging sessions in 2Q2022 through its EV Cloud platform (+66% YoY) 1H2022 total charging sessions increased to 4.4 million (+74% y-o-y) Allego's network continues to experience strong customer loyalty with an approximately 80% recurring rate per month Robust Outlook Over the Intermediate Term Expansion of the network on track with 1,100 sites in secured backlog² Strong visibility gained from new site launches and partnerships Overcoming cost increases through energy management Source: Company information. All customer data is tracked through the ID cards/tokens used on Allego's network and required for invoicing; Per June 2022 quarterly data for Ultra-Fast chargers. Excludes all non-operational sites and sites that became operational in 2022. Assuming 140g/km. Total number of charging sessions for both company-owned and third-party sites. 32

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