Allego Investor Presentation Deck

Allego Operates One of the Largest Pan-European Public EV Charging Networks Highlights ~34,000 Charging Ports and 18,200 Public and Non-Public Sites Across 15 Countries¹ > Net loss of €(246.6) million in 1H20227 Operational EBITDA of €(1.5) million in 1H2022² Strong Customer Loyalty with Consistent ~80% Recurring Users >100% Historical Revenue Growth³ > Average Charger Utilization Rate of 8.3%4 Allego> Leading Presence in Europe Current AC Sites5 Current Fast and Ultra-Fast Sites5 Select Sites in Backlog5 Operational Secured Expansion6 Future Expansion Plans Note: Map includes both public and non-public sites 1. Owned and third-party, as of June 30, 2022; 2. Non-IFRS Measure. Please see reconciliation in the Appendix hereto; 3. 2017-2021 CAGR; 4. Per 1H2022 data for Ultra-Fast chargers. Defined as the number of charging sessions per charge point per day divided by a maximum of charging sessions per charger per day of 50 (for the ultra-fast charging pole) and is inclusive of Mega-E; 5. As of June 30, 2022; 6. Secured expansion countries refer to countries where the potential for EV charging is confirmed to be attractive enough and where installation of charging ports has already started or has been decided; 7. Non-cash impact of €240.1 million related to share-based payment expenses Note: Unaudited financial highlights may vary from actual results after finalizing the review for the six months ended June 30, 2022, and such variance may be material 3

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