Altus Power Investor Presentation Deck

Long Term & Fixed Rate Debt - Overcollateralized by Long Term Power Contracts Modest Leverage vs Value of Contracted Cashflows I I I I I I I I I Remaining Value ($) 750,000 500,000 250,000 0 40% 2023 Blackstone Long Term Funding Facility Illustrative Contract Cash Flows vs. Debt Balance¹ 41% 2028 DCF of Contracted Cash Flows (PV6) 48% 2033 Debt Balance 65% 2038 Overcollateralization (%) 89% 2043 100% 100% 1 This funding example is for illustrative purposes only and should not be relied upon as being necessarily indicative of funding for all of our operating assets 2 Weighted Average as of September 2023 for APAF I-III facilities 3 Tax Equity Available for development assets 50% 0% • Collateralized by long term contracts • Investment Grade Ratings (A-/BBB) key for Life Insurance Facility Participants • No set capacity - can expand to accommodate portfolio additions • Fixed Interest Rate: Weighted Average of 4.35%² • 25 Year Term Funding Sources 60-70% of Asset Cost ALTUSPOWER BX Long Term Funding Facility Tax Equity³ RENEWABLE ENERGY 30% of Asset Cost Cash 0-10% of Asset Cost No Common Equity Issuance Expected for 2024 Growth Plan

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