X0306 4 2022-09-20 0 0001828723 Altus Power, Inc. AMPS 0001834151 CBRE Acquisition Sponsor, LLC C/O CBRE GROUP, INC. 2100 MCKINNEY AVENUE SUITE 1250 DALLAS TX 75201 1 0 1 0 0000852203 CBRE SERVICES, INC. C/O CBRE GROUP, INC. 2100 MCKINNEY AVENUE SUITE 1250 DALLAS TX 75201 1 0 1 0 0001138118 CBRE GROUP, INC. 2100 MCKINNEY AVENUE SUITE 1250 DALLAS TX 75201 1 0 1 0 Class A Common Stock 2022-09-20 4 M 0 9237749 A 31239560 I Held through CBRE Acquisition Sponsor, LLC Class A Common Stock 2022-09-20 4 D 0 6685359 D 24554201 I Held through CBRE Acquisition Sponsor, LLC Warrants (Right to Buy) 2022-09-20 4 M 0 9237749 0.00 D 2022-01-08 2026-12-09 Class A Common Stock 9237749 0 I Held through CBRE Acquisition Sponsor, LLC Following the issuer's notice of redemption of all outstanding warrants to purchase the issuer's Class A Common Stock, the reporting person exercised its warrants in a make-whole exercise on a cashless basis. The reporting person received 0.2763 shares of Class A Common Stock and the issuer withheld 0.7237 shares of Class A Common Stock per warrant exercised pursuant to the warrant agreement governing the warrants. Represents securities directly held by CBRE Acquisition Sponsor, LLC ("CBRE Sponsor"). The sole member of CBRE Sponsor is CBRE Services, Inc., which is a wholly-owned subsidiary of CBRE Group, Inc., a publicly traded company. Represents shares of Class A common stock deemed withheld by the issuer in connection with the make-whole exercise on a cashless basis pursuant to the warrant agreement governing the warrants. CBRE ACQUISITION SPONSOR, LLC, By: /s/ Emma E. Giamartino, Name: Emma E. Giamartino, Title: Global Group President, Chief Financial Officer and Chief Investment Officer 2022-09-23 CBRE SERVICES, INC., By: /s/ Emma E. Giamartino, Name: Emma E. Giamartino, Title: Global Group President, Chief Financial Officer and Chief Investment Officer 2022-09-23 CBRE GROUP, INC., By: /s/ Emma E. Giamartino, Name: Emma E. Giamartino, Title: Global Group President, Chief Financial Officer and Chief Investment Officer 2022-09-23