Allego Investor Presentation Deck

Increasing Demand and Elevated Visibility Average Total Number of Charging Sessions (in mm) 1.7 +~259% 79% 3.0 2019 2018 2019 2020 2021 3.7 2020 6.1 Allego> User Track Record on Allego's Network² (in % recurring users) 82% 82% 80% 2.6 2021 +~74% 1H21 4.4 1H21 1H22 80% 1H22 1. Total number of charging sessions for both company-owned and third-party sites 2. BNEF, August 18, 2022; 3. All customer data is tracked through the ID cards/tokens used on Allego's network and required for invoicing Source: Company information Charging Sessions Increasing with Higher Density of EVs ● Allego's network handled over 4.4 million¹ total charging sessions in 1H22 through its EV Cloud platform (+74% YoY) ● Europe EV penetration in 1H22 increased 500 bps to 21.5%² from 1H21, supporting the mega-trend of EV charging Allego's network continues to experience strong customer loyalty with an approximately 80% recurring rate per month³ Development of Smart Charging Capacity provides opportunities for ancillary services Connect to renewal sources to supply "green energy" to its chargers Develop ancillary services for grid operators as reserve capacity Allow selling excess capacity in the open market 33

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