Allego Results Presentation Deck

Increasing Demand and Elevated Visibility Total Number of Charging Sessions 7.4 (in mm) 3.0 2019 +~147% 3.7 2020 2020 80% User Track Record on Allego's Network² (in % recurring users) 82% 6.1 2021 2021 Allego> 2022 2022 2.0 1. 2. 3. 4Q21 79% MILI 80% +~30% 4Q21 2.6 4Q22 80% 4Q22 Source: Company information. 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 2.6 million¹ total charging sessions in the three months ended December 31, 2022 through its EV Cloud platform (+30%) as compared to the same period in 2021 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 in 4Q2022³ 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 12

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