Allego Investor Presentation Deck

Allego's Charging Business Model is Underpinned by Strong Unit Economics Illustrative Site Economics Allego has successfully passed through higher energy costs and defended margins (€ in '000, except €/kWh and sales in kWh) Utilization Rate Total MWh per site x Average Price (c per kWh) Charging Revenue per site Gross Profit per site Gross Margin (%) Total Capex Subsidies Total Cash Flow Cumulative Cash Flow Average Payback Period (years) 7-year IRR Allego> Excluding Incentives • Assumes Allego fully funds capex with no incentives ● ● Expansion of site through periodic investment of €100,000 in capex every 2 years Highly attractive 7-year IRR despite exclusion of subsidies 1 6.0% 168 60 € 100 € 29 28.6% (€ 327) (€ 298) (298) 4.0 44.9% Year 5 17.9% 779 64 € 503 € 312 62.1% (€ 100) € 212 212 Source: Company Information. Note: Year 1 represents 2021E, Year 5 represents 2025E, and Year 7 represents 2027E. 7 26.7% 1,294 67 € 868 € 589 67.8% (€ 100) € 489 1,169 Including Incentives • Total of €65,000 in subsidies received in 2021 to offset capital expenditures ● Price differential reflects upside captured through carbon credits; incremental ~€0.05 per kWh 1 6.0% 168 65 € 109 € 31 28.6% (€ 327) 65 (€ 230) (230) 3.6 47.8% Year 5 17.9% 779 70 € 545 € 339 62.1% (€ 100) 0 € 239 339 7 26.7% 1,294 73 € 941 € 638 67.8% (€ 100) 0 € 538 1,385 39

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