144 0001793313 XXXXXXXX LIVE 0001564406 Oak Street Health, Inc. 001-39427 30 W. MONROE ST., STE. 1200 CHICAGO IL 60603 312-773-3374 PRICE GEOFFREY M Officer Common Fidelity Brokerage Services LLC

900 Salem Street Smithfield RI 02917

50000 1785500.00 243999366 03/21/2023 NYSE Common 03/21/2023 Option Granted - 08/05/2020 Issuer N 50000 03/21/2023 Cash N Geoffrey Price

30 W. Monroe Street Suite 1200 Chicago IL 60603

Common 01/10/2023 50000 1486835.00 Geoffrey Price

30 W. Monroe Street Suite 1200 Chicago IL 60603

Common 02/07/2023 400000 13629508.53 Geoffrey Price

30 W. Monroe Street Suite 1200 Chicago IL 60603

Common 02/10/2023 7413 263902.80 Geoffrey Price

30 W. Monroe Street Suite 1200 Chicago IL 60603

Common 02/21/2023 50000 1766150.00 Geoffrey Price

30 W. Monroe Street Suite 1200 Chicago IL 60603

Common 02/22/2023 122985 4378958.36 Geoffrey Price

30 W. Monroe Street Suite 1200 Chicago IL 60603

Common 02/23/2023 7728 274227.31 Geoffrey Price

30 W. Monroe Street Suite 1200 Chicago IL 60603

Common 03/07/2023 50000 1776881.03 Geoffrey Price

30 W. Monroe Street Suite 1200 Chicago IL 60603

Common 03/15/2023 1831 65183.60 Geoffrey Price

30 W. Monroe Street Suite 1200 Chicago IL 60603

Common 03/16/2023 79858 2844238.50 Geoffrey Price

30 W. Monroe Street Suite 1200 Chicago IL 60603

Common 03/17/2023 37913 1350692.33 03/21/2023 09/08/2022 /s/Wade Moss, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Geoffrey Price