Altus Power SPAC Presentation Deck

Disclaimer CBRE Acquisition ALTUS POWER Holdings Financial Information The financial information contained in this Presentation has been taken from or prepared based on the historical financial statements of Altus Power for the periods presented. This Presentation includes non-GAAP financial measures. Altus Power believes that these non-GAAP measures of financial results provide useful information to management and investors regarding certain financial and business trends relating to Altus Power's financial condition and results of operations. Altus Power's management uses certain of these non-GAAP measures to compare Altus Power's performance to that of prior periods for trend analyses and for budgeting and planning purposes. These non-GAAP measures are an addition, and not a substitute for or superior to, measures of financial performance prepared in accordance with GAAP and should not be considered as an alternative to net income, operating income or any other performance measures derived in accordance with GAAP. Altus Power also believes that these non-GAAP measures of financial results (including on a forward-looking basis) provide useful supplemental information to investors about Altus Power. Other companies may calculate non-GAAP measures differently, or may use other measures to calculate their financial performance, and therefore, Altus Power's non-GAAP measures may not be directly comparable to similarly titled measures of other companies. Additionally, to the extent that forward-looking non-GAAP financial measures are provided, they are presented on a non-GAAP basis without reconciliations of such forward-looking non-GAAP measures due the inherent difficulty in forecasting and quantifying certain amounts that are necessary for such reconciliations. Use of Projections This Presentation also contains certain financial forecasts. Neither CBAH's nor Altus Power's independent auditors have studied, reviewed, compiled or performed any procedures with respect to the projections for the purpose of their inclusion in this Presentation, and accordingly, have not expressed an opinion or provided any other form of assurance with respect thereto for the purpose of this Presentation. These projections are for illustrative purposes only and should not be relied upon as being necessarily indicative of future results. In this Presentation, certain of the above-mentioned projected information has been provided for purposes of providing comparisons with historical data. The assumptions and estimates underlying the prospective financial information are inherently uncertain and are subject to a wide variety of significant business, economic and competitive risks and uncertainties that could cause actual results to differ materially from those contained in the prospective financial information. Projections are inherently uncertain due to a number of factors outside of CBAH's and Altus Power's control. While all financial projections, estimates and targets are necessarily speculative, CBAH and Altus Power believe that the preparation of prospective financial information involves increasingly higher levels of uncertanty the further out the projection, estimate or target extends from the date of preparation. Accordingly, there can be no assurance that the prospective results are indicative of future performance of the combined company after the Transaction or that actual results will not differ materially from those presented in the prospective financial information. Inclusion of the prospective financial information in this Presentation should not be regarded as a representation by any person that the results contained in the prospective financial information will be achieved. Participation in Solicitation CBAH and Altus Power and their respective directors and executive officers, under SEC rules, may be deemed to be participants in the solicitation of proxies of CBAH's shareholders in connection with the proposed business combination. Investors and security holders may obtain more detailed information regarding the names and interests in the proposed business combination in CBAH's filings with the SEC, including CBAH's registration statement on Form S-1, which was originally filed with the SEC on December 7, 2020, its registration statement on Form S-4, which was originally filed with the SEC on August 11, 2021, and its most recent annual report on Form 10-K. Investors and security holders of CBAH and Altus Power are urged to read the proxy statement/prospectus and other relevant documents that will be filed with the SEC carefully and in their entirety when they become available because they will contain important information about the proposed business combination. Investors and security holders will be able to obtain free copies of the proxy statement and other documents containing important information about CBAH and Altus Power through the website maintained by the SEC at www.sec.gov. 3

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