144 0001802501 XXXXXXXX LIVE 0001071739 CENTENE CORP 001-31826 7700 FORSYTH BLVD. ST LOUIS MO 63105 3147254477 KOSTER CHRISTOPHER Officer Common Fidelity Brokerage Services LLC

900 Salem Street Smithfield RI 02917

56500 3779852.00 493995000 08/26/2026 NYSE Common 06/30/2020 ESPP Purchase Issuer N 41 06/30/2020 Cash Common 12/10/2020 Restricted Stock Vesting Issuer N 1657 12/10/2020 Compensation Common 12/11/2020 Restricted Stock Vesting Issuer N 1472 12/11/2020 Compensation Common 12/12/2020 Restricted Stock Vesting Issuer N 1311 12/12/2020 Compensation Common 12/15/2020 Restricted Stock Vesting Issuer N 9075 12/15/2020 Compensation Common 03/31/2021 ESPP Purchase Issuer N 41 03/31/2021 Cash Common 04/27/2021 Restricted Stock Vesting Issuer N 13812 04/27/2021 Compensation Common 06/30/2021 ESPP Purchase Issuer N 36 06/30/2021 Cash Common 09/30/2021 ESPP Purchase Issuer N 42 09/30/2021 Cash Common 12/10/2021 Restricted Stock Vesting Issuer N 1657 12/10/2021 Compensation Common 12/11/2021 Restricted Stock Vesting Issuer N 1474 12/11/2021 Compensation Common 12/31/2021 ESPP Purchase Issuer N 32 12/31/2021 Cash Common 03/31/2022 ESPP Purchase Issuer N 31 03/31/2022 Cash Common 06/30/2022 ESPP Purchase Issuer N 31 06/30/2022 Cash Common 09/30/2022 ESPP Purchase Issuer N 34 09/30/2022 Cash Common 12/30/2022 ESPP Purchase Issuer N 32 12/30/2022 Cash Common 03/31/2023 ESPP Purchase Issuer N 42 03/31/2023 Cash Common 06/23/2023 Restricted Stock Vesting Issuer N 2506 06/23/2023 Compensation Common 06/30/2023 ESPP Purchase Issuer N 39 06/30/2023 Cash Common 09/29/2023 ESPP Purchase Issuer N 38 09/29/2023 Cash Common 12/15/2023 Restricted Stock Vesting Issuer N 6146 12/15/2023 Compensation Common 12/29/2023 ESPP Purchase Issuer N 36 12/29/2023 Cash Common 03/15/2024 Restricted Stock Vesting Issuer N 2700 03/15/2024 Compensation Common 03/28/2024 ESPP Purchase Issuer N 34 03/28/2024 Cash Common 06/23/2024 Restricted Stock Vesting Issuer N 2513 06/23/2024 Compensation Common 06/28/2024 ESPP Purchase Issuer N 40 06/28/2024 Cash Common 09/30/2024 ESPP Purchase Issuer N 35 09/30/2024 Cash Common 12/15/2024 Restricted Stock Vesting Issuer N 3184 12/15/2024 Compensation Common 02/04/2025 Restricted Stock Vesting Issuer N 4730 02/04/2025 Compensation Common 03/15/2025 Restricted Stock Vesting Issuer N 3679 03/15/2025 Compensation N Christopher A. Koster

7700 Forsyth Boulevard St. Louis MO 63105

Common 08/18/2026 47603 3111262.14 08/26/2026 /s/ Gary Redman, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Christopher A. Koster