X0508 4 2024-02-20 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 0 Common Stock 2024-02-20 4 A 0 1870 0 A 12087 D Common Stock 2024-02-21 4 D 0 1287 0 D 10800 D Common Stock 418.54 I by IRA Common Stock 20.553 I by 401(k) Plan Represents restricted stock which vests on January 12, 2027. 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 the BOKF Executive Incentive Plan are not met. Represents forfeiture of unvested restricted stock based upon performance goals established pursuant to the BOKF Executive Incentive Plan for restricted stock awards made in 2021. Includes 10.588 shares of BOKF common stock not previously reported that were acquired through a BOK Financial Corporation dividend reinvestment plan in which Ms. Keesling is a participant. /s/ Tamara Sloan, Power of Attorney 2024-02-22