Allego Results Presentation Deck

Increasing Demand and Elevated Visibility Total Number of Charging Sessions (in mm) 1.7 2018 +~259% 79% 3.0 2019 User Track Record on Allego's Network² (in % recurring users) 2019 2020 2021 82% 3.7 6.1 2020 Allego> 2021 2.6 80% illll 1H21 (1) (2) (3) 82% 1H21 Source: Company information. +-74% 4.4 1H22 80% 1H22 Total number of charging sessions for both company-owned and third-party sites BNEF, August 18, 2022 All customer data is tracked through the ID cards/tokens used on Allego's network and required for invoicing 01 02 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% YoY, supporting the mega-trend of EV charging Development of Smart Charging Capacity provides opportunities for ancillary services Allego's network continues to experience strong customer loyalty with an approximately 80% recurring rate per month³ 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 13

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