Allego Results Presentation Deck

First Quarter 2023 Highlights FINANCIAL HIGHLIGHTS (UNAUDITED) € Revenue of €38.8 million (+27.4% y-o-y) Charging revenue rose 167% y-o-y, benefitting from improvements in utilization rate, an increase in number of chargers, as well as price increases Service revenue declined 45.4% y-o-y driven by a decrease in anticipated Carrefour and Mega-E revenues compared to prior year. Total energy sold increased to 49 GWh, 54% growth from the prior-year period. First quarter 2023 average utilization rate¹ jumped to 13.1%, an 70% improvement over the prior-year period. First quarter 2023 total number of charging sessions increased 23% to 2.6 million over the prior year period. First quarter 2023 net loss was €(13.2) million, vs. €(350.1) million in the period one year ago; Operational EBITDA was €8.9 million vs. €1.5 million. Allego> 2. Key Highlights +10) Partnered with porta Group to install a total of 1,500 charging points at 123 porta Group locations, all of which are expected to be operational by the end of 2024. The charging stations will offer both fast (50 kW) and ultra-fast (150 kW) charging points. Deployed 107 ultra-fast EV charging stations in France in less than 12 months, with a charging capacity ranging from 22kW to 300kW. Allego's stations located throughout France have offset the equivalent of 2,000 tons of CO² emissions since its opening. Technology stack recognized as best in class, with recent updates improving competitive position, drives sustained growth in utilization rates. Secured 160 GWh of renewable PPAs in main markets to minimize impact of energy price volatility on input cost base and maximize gross margin Source: Company information. Financial Information is unaudited. 1. Utilization rate, a key performance measure, is defined as the number of charging sessions per charger per day divided by a maximum number of charging sessions per day of 50 (for the ultra-fast charging pole). Inclusive of Mega-E. As of March 31, 2023 LO 5

View entire presentation