X0306 4 2022-02-22 0 0000875357 BOK FINANCIAL CORP BOKF 0001640868 Keesling Rebecca D C/O FREDERIC DORWART, LAWYERS PLLC 124 EAST FOURTH STREET TULSA OK 74103 0 1 0 0 EVP, Chief Auditor Common Stock 2022-02-22 4 A 0 1236 0 A 10631 D Common Stock 2022-02-23 4 M 0 427 0 A 11058 D Common Stock 2022-02-23 4 F 0 769 100.25 D 10289 D Common Stock 398.89 I by IRA Common Stock 19.5863 I by 401(k) Plan Represents restricted stock which vests on January 14, 2025. Shares are subject to forfeiture (i) upon termination of employment prior to vesting, and (ii) if certain performance earnings per share targets established pursuant to BOKF Executive Incentive Plan are not met. Represents upward restricted stock adjustments based upon attainment of performance goals established pursuant to the BOKF Executive Incentive Plan for restricted stock awards made in 2019. Includes 0.1078 shares of BOKF common stock acquired under the BOKF 401(k) plan since the date of the reporting person's last ownership report. /s/ Tamara Wagman, Power of Attorney 2022-02-24