Altus Power SPAC Presentation Deck

Disclaimer DISCLAIMER AND FORWARD LOOKING STATEMENTS CBRE Acquisition ALTUS POWER Holdings This presentation (this "Presentation") is being delivered to you by CBRE Acquisition Holdings, Inc. ("CBAH") and Altus Power, Inc. ("Altus Power") for use by CBAH and Altus Power in connection with their proposed business combination (the "Transaction"). This Presentation was prepared for informational purposes only. This Presentation is for strategic discussion purposes only and does not constitute an offer to purchase nor a solicitation of anoffer to sell shares of CBAH or any successor entity, nor does it constitute the solicitation of an offer to buy any securities, or the solicitation of any proxy, vote, consent or approval in any jurisdiction in connection with the proposed business combination, nor shall there be any sale of securities in any jurisdiction in which the offer, solicitation or sale would be unlawful prior to the registration or qualification under the securities laws of any such jurisdictions. This Presentation is restricted by law; it is not intended for distribution to, or use by any person in, any jurisdiction where such distribution or use would be contrary to local law or regulation. No representation, express or implied, is or will be given by CBAH or Altus Power or any of their respective affiliates and advisors as to the accuracy or completeness of the information contained herein, or any other written or oral information made available in the course of an evaluation of the Transaction. No Representations and Warranties This Presentation is not intended to form the basis of any investment decision by the recipient and does not constitute investment, tax or legal advice. The recipient agrees and acknowledges that this Presentation is not intended to form the basis of any investment decision by the recipient and does not constitute investment, tax or legal advice. No representation or warranty, express or implied, is or will be given by CBAH or Altus Power or any of their respective affiliates, directors, officers, employees or advisers or any other person as to the accuracy or completeness of the information in this Presentation or any other written, oral or other communications transmitted or otherwise made available to any party in the course of its evaluation of the Transaction and no responsibility or liability whatsoever is accepted for the accuracy or sufficiency thereof or for any errors, omissions or misstatements, negligent or otherwise, relating thereto. The recipient also acknowledges and agrees that the information contained in this Presentation is preliminary in nature and is subject to change, and any such changes may be material. CBAH and Altus Power disclaim any duty to update the information contained in this Presentation. Forward-Looking Statements This Presentation may contain certain "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995, Section 27A of the Securities Act and Section 21E of the Securities Exchange Act of 1934, as amended, including statements regarding Altus Power's and it's management teams' expectations, hopes, beliefs, intentions or strategies regarding the future. The words "anticipate", "believe", "budget", "continue", "could", "estimate", "expect", "forecast", "intends", "may", "might", "plan", "possible", "potential", "predict", "project", "should", "will", "would" and similar expressions may identify forward-looking statements, but the absence of these words does not mean that a statement is not forward-looking. These forward-looking statements are based on CBAH's and Altus Power's current expectations and beliefs concerning future developments and their potential effects on CBAH or Altus Power or any successor entity. There can be no assurance that the future developments affecting CBAH or Altus Power or any successor entity will be those that they have anticipated. These forward-looking statements involve a number of risks, uncertainties (some of which are beyond CBAH's and Altus Power's control) or other assumptions that may cause actual results or performance to be materially different from those expressed or implied by these forward-looking statements. Trademarks TM All rights to the trademarks, copyrights, logos and other intellectual property listed herein belong to their respective owners and CBAH's and Altus Power's uses thereof do not imply an affiliation with, or endorsement by the owners of such trademarks, copyrights, logos and other intellectual property. Solely for convenience, trademarks and trade names referred to in this Presentation may appear with the ® or ™M symbols, but such references are not intended to indicate, in any way, that such names and logos are trademarks or registered trademarks of CBAH or Altus Power. Industry and Market Data In this Presentation, CBAH and Altus Power rely on and refer to publicly available information and statistics regarding market participants in the sectors in which Altus Power competes and other industry data. Any comparison of Altus Power to the industry or to any of its competitors is based on this publicly available information and statistics and such comparisons assume the reliability of the information available to CBAH and Altus Power. CBAH and Altus Power obtained this information and these statistics from third-party sources, including reports by market research firms and company filings. While CBAH and Altus Power believe such third-party information is reliable, there can be no assurances as to the accuracy or completeness of the indicated information. Neither CBAH nor Altus Power has independently verified the information provided by the third party sources. Accordingly, none of CBAH nor Altus Power nor any of their respective affiliates or advisors makes any representations as to the accuracy or completeness of these data. 2

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