Altus Power Results Presentation Deck

Track Record of Growth Second Quarter 2023 Financial Highlights • $46.5M Operating Revenue ● $3.4M GAAP Net Income $30.6M Adjusted EBITDA¹ 66% Adjusted EBITDA Margin¹ • Margin benefits from revenue growth exceeding incremental SG&A ● ● ● 12.5 6.3 19.2 Q1 8.8 Q1 Operating Revenue by Quarter ($M) 29.4 17.6 16.0 Q2 2021 24.8 10.2 46.5 30.6 13.9 Q2 2021 2022 20.1 Adjusted EBITDA by Quarter ($M)¹ 11.7 30.4 2022 Q3 12023 19.4 Q3 2023 21.6 1 Adjusted EBITDA and Adjusted EBITDA Margin are non-GAAP financial measures. Please see Financial Statements in the Appendix for a reconciliation to the most directly comparable GAAP measures 12.9 26.8 Q4 16.6 Q4 ALTUSPOWER RENEWABLE ENERGY 6

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