144 0001950322 XXXXXXXX LIVE 0000875357 BOK FINANCIAL CORP 001-37811 BANK OF OKLAHOMA TOWER BOSTON AVENUE AT SECOND STREET TULSA OK 74172 9185886000 Reid Jeffrey A. Officer Common Equiniti Trust Company, LLC (acting through its brokerage arrangements)

1110 Centre Pointe Curve Mendota Heights MN 55120

105 14233.80 60696695 04/23/2026 NASDAQ Common 05/25/2022 Dividend Reinvestment Issuer N 1 05/25/2022 Dividend (reinvested) Common 08/25/2022 Dividend Reinvestment Issuer N 7 08/25/2022 Dividend (reinvested) Common 11/25/2022 Dividend Reinvestment Issuer N 7 11/25/2022 Dividend (reinvested) Common 02/28/2023 Dividend Reinvestment Issuer N 5 02/28/2023 Dividend (reinvested) Common 05/30/2023 Dividend Reinvestment Issuer N 7 05/30/2023 Dividend (reinvested) Common 08/30/2023 Dividend Reinvestment Issuer N 7 08/30/2023 Dividend (reinvested) Common 11/30/2023 Dividend Reinvestment Issuer N 8 11/30/2023 Dividend (reinvested) Common 02/28/2024 Dividend Reinvestment Issuer N 3 02/28/2024 Dividend (reinvested) Common 05/30/2024 Dividend Reinvestment Issuer N 9 05/30/2024 Dividend (reinvested) Common 08/30/2024 Dividend Reinvestment Issuer N 8 08/30/2024 Dividend (reinvested) Common 11/27/2024 Dividend Reinvestment Issuer N 7 11/27/2024 Dividend (reinvested) Common 02/26/2025 Dividend Reinvestment Issuer N 5 02/26/2025 Dividend (reinvested) Common 05/28/2025 Dividend Reinvestment Issuer N 11 05/28/2025 Dividend (reinvested) Common 08/27/2025 Dividend Reinvestment Issuer N 9 08/27/2025 Dividend (reinvested) Common 11/26/2025 Dividend Reinvestment Issuer N 10 11/26/2025 Dividend (reinvested) Common 03/05/2026 Dividend Reinvestment Issuer N 1 03/05/2026 Dividend (reinvested) N Jeffrey A. Reid

C/O FREDERIC DORWART, LAWYERS PLLC 124 East Fourth Street Tulsa OK 74103

Common 04/23/2026 1095 148438.20 04/23/2026 /s/ Tamara R. Sloan, Power of Attorney