X0508 4 2026-02-17 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 2026-02-17 4 A 0 1443 0 A 12914 D Common Stock 2026-02-18 4 M 0 623 0 A 13537 D Common Stock 2026-02-18 4 F 0 751 133.56 D 12786 D Common Stock 437.638 I by IRA Common Stock 21.4891 I By 401(k) Plan Represents restricted stock which vests on January 16, 2029. 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 2023. Includes 9.522 shares of BOKF common stock not previously reported that were acquired under a BOKF dividend reinvestment plan in which Ms. Keesling is a participant. Tamara R. Sloan, Power of Attorney 2026-02-19