144 0001241516 XXXXXXXX LIVE 0001758766 STEM, INC. 001-39455 100 CALIFORNIA STREET, 14TH FLOOR SAN FRANCISCO CA 94111 (415) 937-7836 BUSH WILLIAM JOHN Officer Common Fidelity Brokerage Services LLC

900 Salem Street Smithfield RI 02917

46034 100957.17 157773620 03/08/2024 NYSE Common 03/06/2024 Restricted Stock Vesting Issuer N 46034 03/06/2024 Compensation N William Bush

100 California St 14th Fl. San Francisco CA 94111

Common 02/16/2024 20367 64510.44 William Bush

100 California St 14th Fl. San Francisco CA 94111

Common 03/04/2024 10016 24793.61 03/08/2024 /s/ Ryan Riviere, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for William Bush